SmogRank / Episodes / Japan

Japan and South Korea, June and July 2025

For 11 days, from 30 June to 10 July 2025, 508 cities in Japan and South Korea had PM2.5 at least twice their usual for the time of year. The worst reading was Kōka, Shiga, Japan: 117.0 µg/m³ on 9 July, about 16× its usual 7.2.

No cause namedWe have no fire or smoke records for these days, so we only say what the measurements show.
Cities reached508in 2 countries
Days1130 June to 10 July 2025
Worst day9 July305 cities counted
Furthest above usual19×Kobayashi

Day by day

9 July 305 cities at twice their usual or more
SakaiminatoMatsueIzumoGōtsuchōHamadaHagiMinokamoAnamizuGeroTakayamaKogaMunakataInaKogaMatsumotoOkayaFukuokaSuwaChikumaNaganoUedaSuzakaPohangYeonilKaratsuGyeongjuIkiGijangTakeoUngsangŌyanomachi-noboritateImarichō-kōCheongsong gunTsushimaMatsuuraBusanSadoEisenDonghae CityKimhaeHayangMinamiuonumaSaikaiGyeongsan-siMiryangAndongKodamachō-kodamaminamiChangwonDaeguGeojeKunwiYeongjuGangneungSinhyeonHwawŏnNaesŏJumunjinKanoyaYecheonWaegwanGumiTongyeongNeietsuKazoMinamikyushuMungyeongKaseda-shirakameSangjuSokchoGimcheonChinjuKosongGotōChungjuYeongdongKoesanAizu-WakamatsuHongch’ŏnYangguOkcheonYeosuJungpyongKwangyangChangsuKinzanYeojuCheongju-siChuncheonKuryeJinan-gunSuncheonChinch'ŏnDaejeonNangenHwacheonYangp'yŏngImsilBeolgyoGapyeongAnseongJeonjuWanjuGongjuYŏnmuCheonanGwangjuNonsanSeonghwanNamsaWabuBoseongDamyangIksanAsanHwasunJeongeupBuyeoKimjeGwangjuShiroishiCheorwonYesanYangjuJangheungMasanJangseongBuanKoch'angNajuSōmaYeongamAkitaYeonggwangHaenamMuanNoshiroSeosanTaesal-liMokpoKuriharaWakuyaJeju CityTomeSeogwipoIchinosekiSinanŌshūGaigeturiHanamakiHirosakiMoriokaTakizawaKesennumaAomoriKamaishiMiyakoHachinoheKujiChangnyeongTangjinHongseongSantyokuIcheon-siUlsanPyeongtaekFukushimaHwaseong-siYamanashiAnsan-siGwangmyeongGimpo-siYangsanWŏnjuBucheon-siGoyang-siSeoulAnyang-siSuwonOsanGuri-siIncheonYoshiokaSejongKofuHwadoGanghwa-gunSeongnam-siGwangyangSagaeNamyangjuUijeongbu-siIshinomakiNumataMunsanGoseongChichibuGunsanOgaYonezawaTsuruokaJōetsuPubalImaichiItoigawaŌtsukiKōriyamaBoryeongHadongNagaiHanamNagaokaŌdateYamagataKakudaHigashineMinami-SōmaSakataKiryūTomiokaMakiInuyamaŌsakiNatori-shiNyūzenYoriiUnnanNiitsu-honchōShironeSakuShibataNakanojōShonaiToyamaYaitaTanbaŌdachō-ōdaNiigataHakuiSendaiMinami-AlpsImizuKaniIwanumaIrumaMasudaYurihonjōYokoteNanaoKameda-honchōHigashimatsushimaNasukarasuyamaFujiyoshidaKurayoshiHimimachiYokotaKanumaHonjōShibukawaMaebaru-chūōIidaMatsushimaSusonoTagajō-shiTokiOwariasahiIwakiYufuItoshimaNagatoHashimotoKitaibarakiTochigiSekimachiOgawamachiShirakawaHannōIgusaGotembaTatebayashiŌmeGyōdaSaseboNasushiobaraHekinanKandaShinjōAmagasakiAshikagaTottori-shiMorohongōOnodaSetoTajimiTakaokaTōkaiMizuhoHigashimurayamaKaminokawaTokorozawaSakadoAkishimaMinawaSanoHachiōjiAiharaTogitsuYonagoMineHitachiomiyaTsubataKunisakiHimejiSayamaKasamaUtsunomiyaKawagoeFuchūGifuOyamaShimonosekiAnjōIzunokuniToyotaHandaChiryūSuzukaHirakataOsakaKumagayaNagoyaToyookaMookaYawataKamisuKodairaChikuseiKariyaMenumaUozuNakamaHigashigōKitakyushuYasugichōOkazakiHigashikurumeKyotoNiizaŌtakeAioiSakai-nakajimaAgeoTosuNishioAmaŌtaHashimaIchinomiyaYokkaichiMitoKōtariAsakaKakogawachō-honmachiHigashi-MatsuyamaIwadeBizenYukuhashiNichinanShinshiroOyabeTakatsukiGamagōriKuwanaTonamiTaharaMikuniMinamirinkanKasaokaTakuSagaKashimaUbeTagawaKaminomaHōfuTokonameKyōtangoKakamigaharaŌtsuUjiSaitamaKishiwadaKagaShūnanKomatsuAtsugiHigashiosakaIwakuniFukuchiyamaSaijōNisshinKobeKariyaNishiwakiNishinomiyaKusatsuKashima-shiBandōInabeKukichūōTokyoHigashinozoeTatsunoKureNōgataWakasugiKogaYamaguchiŌharaHikariMinamiashigaraInzaiAkashiMatsutōNoboritoFujinomiyaHadanoSōkaKawaguchiMachidaNarutochō-mitsuishiMinatoKōnosuSandachōKochiTsuchiuraYonoKudamatsuKanazawaYanaiChibaMisato, SaitamaNakatsuIkarugaIyoShimo-tsumaYoshinogawaKurashikiHiroshimaTakeharaMatsuyamaSumotoIizukaSawaraHitachiŌgakiYotsukaidōKasukabeKaizuKashiwaIzumisanoNaritaFujiNarashinoKoshigayaHanyūKinokawaHondomachi-hondoSugaiOnoSusakiMiharaShikokuchūōMimaOmigawaToyohashiSennanKamagayaInashikiSaikūToyonakaShidoNodaKameyamaSakaiOdawaraAzaminoHōryūjiYokohamaYoukaichiFukuyamaKan’onjichōNiihamaUreshinomachi-shimojukuAraoIchiharaHitachi-NakaSakuraNabariJōyōAsakuchiIwataOkayamaKasugaAjikiMiyakonojōŌmihachimanNumazuYamatoIshiokaKizugawaKamojimachō-jōgejimaFukui-shiMiyazuObamaImabariSōjaOnomichiŌmuraObitaBuzenKanzakimachi-kanzakiNonoichiKisarazuHamamatsuTorideShimadaHiratsukaFujiedaTsurugaNara-shiKameokaChigasakiNakaMarugameOgōriNagasakiŌmutaMatsudoHokotaYachimataShizuokaHabikinoUeno-ebisumachiNobeokaNantanIkomaKashiwaraHigashihiroshimaShin’ichiAyaseHamakitaKimitsuMinamibōsōYaoUrayasuUsukiKurihamaKakegawaTsuKitahamaMiyoshiInoHyūgaMatsusakaAyabeGionNagahamaKirishimaTenriChikugoKamakuraAtamiBeppuTakarazukaKainanIgaTamanoKashihara-shiTsuyamaSodegauraSōsaTanabeYokosukaYawatahamaŌamiEbinaNakamuraKawachi-NaganoIsahayaFujisawaShimodaTokushimaHitaTondabayashichōTsurusakiSabaeTakashimaMinamichitaTsukumiuraNiimiZentsujichóIkedachōKagoshimaIbiMobaraKosaiKikugawaJōsōAkiTakahashiFukuroiKushikinoIseIzumiYachiyoYanagawaYokoshibaUwajimaGobōMiuraTakamatsuKurumeMaizuruMiyazakiSayamaNankokuAnanTōganeKatsuuraTamanaTanushimarumachi-toyokiTateyamaYaeOnoUkihaShimaTakinomiyaTobaSendaiHitoyoshiOwaseŌitaTakanabeHiragiYameKumanoMinamataSaikiShintomiUekimachi-mōnoAridaUtoShingūŌzuHonmachiMieShinagawaIzumiKotōKikuchiMifuneAsoKumamotoYamagaKōkaKobayashi
27 Jun301 Jul3691213
Every measured city in the area, coloured by its PM2.5 that day; a dark ring marks a city at twice its usual or more. Bars: cities counted each day, coloured by their median level. Choose a day or press play; without JavaScript, the days link to that day's world ranking.

How it spread

KikuchiKikuchi, 27 June: 7.8 µg/m³Kikuchi, 28 June: 10.0 µg/m³Kikuchi, 29 June: 18.0 µg/m³Kikuchi, 30 June: 27.5 µg/m³, 4.5× its usual 6.1Kikuchi, 1 July: 43.5 µg/m³, 7.1× its usual 6.1Kikuchi, 2 July: 55.9 µg/m³, 9.3× its usual 6.0Kikuchi, 3 July: 48.2 µg/m³, 8.3× its usual 5.8Kikuchi, 4 July: 39.1 µg/m³, 7.0× its usual 5.6Kikuchi, 5 July: 24.8 µg/m³Kikuchi, 6 July: 8.5 µg/m³Kikuchi, 7 July: 9.8 µg/m³Kikuchi, 8 July: 17.7 µg/m³Kikuchi, 9 July: 24.9 µg/m³Kikuchi, 10 July: 10.5 µg/m³Kikuchi, 11 July: 2.4 µg/m³Kikuchi, 12 July: 2.8 µg/m³Kikuchi, 13 July: 3.2 µg/m³YamagaYamaga, 27 June: 7.3 µg/m³Yamaga, 28 June: 9.4 µg/m³Yamaga, 29 June: 16.1 µg/m³Yamaga, 30 June: 25.4 µg/m³, 4.8× its usual 5.3Yamaga, 1 July: 43.2 µg/m³, 8.2× its usual 5.3Yamaga, 2 July: 55.0 µg/m³, 10× its usual 5.3Yamaga, 3 July: 45.1 µg/m³, 8.5× its usual 5.3Yamaga, 4 July: 35.6 µg/m³, 6.8× its usual 5.2Yamaga, 5 July: 23.0 µg/m³Yamaga, 6 July: 8.1 µg/m³Yamaga, 7 July: 9.8 µg/m³Yamaga, 8 July: 16.4 µg/m³Yamaga, 9 July: 22.7 µg/m³Yamaga, 10 July: 11.5 µg/m³Yamaga, 11 July: 2.1 µg/m³Yamaga, 12 July: 3.3 µg/m³Yamaga, 13 July: 3.5 µg/m³MifuneMifune, 27 June: 7.0 µg/m³Mifune, 28 June: 8.0 µg/m³Mifune, 29 June: 14.9 µg/m³Mifune, 30 June: 25.3 µg/m³, 4.8× its usual 5.3Mifune, 1 July: 38.9 µg/m³, 7.2× its usual 5.4Mifune, 2 July: 52.6 µg/m³, 9.7× its usual 5.4Mifune, 3 July: 45.2 µg/m³, 8.2× its usual 5.5Mifune, 4 July: 36.9 µg/m³, 6.8× its usual 5.4Mifune, 5 July: 24.0 µg/m³Mifune, 6 July: 8.1 µg/m³Mifune, 7 July: 8.6 µg/m³Mifune, 8 July: 14.3 µg/m³Mifune, 9 July: 20.4 µg/m³Mifune, 10 July: 5.4 µg/m³Mifune, 11 July: 2.1 µg/m³Mifune, 12 July: 2.4 µg/m³Mifune, 13 July: 3.8 µg/m³ŌzuŌzu, 27 June: 7.6 µg/m³Ōzu, 28 June: 9.9 µg/m³Ōzu, 29 June: 18.4 µg/m³Ōzu, 30 June: 26.4 µg/m³, 4.4× its usual 6.0Ōzu, 1 July: 42.6 µg/m³, 7.1× its usual 6.0Ōzu, 2 July: 52.0 µg/m³, 8.5× its usual 6.1Ōzu, 3 July: 50.3 µg/m³, 8.4× its usual 6.0Ōzu, 4 July: 41.7 µg/m³, 7.0× its usual 6.0Ōzu, 5 July: 25.0 µg/m³, 4.2× its usual 6.0Ōzu, 6 July: 8.7 µg/m³Ōzu, 7 July: 11.6 µg/m³Ōzu, 8 July: 18.5 µg/m³Ōzu, 9 July: 25.3 µg/m³, 4.1× its usual 6.1Ōzu, 10 July: 9.5 µg/m³Ōzu, 11 July: 3.6 µg/m³Ōzu, 12 July: 3.5 µg/m³Ōzu, 13 July: 3.9 µg/m³HitaHita, 27 June: 9.2 µg/m³Hita, 28 June: 11.5 µg/m³Hita, 29 June: 15.2 µg/m³Hita, 30 June: 26.1 µg/m³, 2.9× its usual 9.1Hita, 1 July: 42.5 µg/m³, 4.6× its usual 9.2Hita, 2 July: 46.1 µg/m³, 5.1× its usual 9.0Hita, 3 July: 50.9 µg/m³, 5.8× its usual 8.8Hita, 4 July: 41.9 µg/m³, 4.8× its usual 8.8Hita, 5 July: 29.0 µg/m³, 3.3× its usual 8.8Hita, 6 July: 10.3 µg/m³Hita, 7 July: 10.4 µg/m³Hita, 8 July: 17.2 µg/m³Hita, 9 July: 25.5 µg/m³, 2.9× its usual 8.8Hita, 10 July: 17.0 µg/m³Hita, 11 July: 4.7 µg/m³Hita, 12 July: 4.8 µg/m³Hita, 13 July: 3.4 µg/m³AnanAnan, 27 June: 21.9 µg/m³Anan, 28 June: 26.5 µg/m³Anan, 29 June: 22.9 µg/m³Anan, 30 June: 24.2 µg/m³Anan, 1 July: 27.5 µg/m³, 2.6× its usual 10.7Anan, 2 July: 37.6 µg/m³, 3.5× its usual 10.6Anan, 3 July: 33.6 µg/m³, 3.2× its usual 10.5Anan, 4 July: 39.2 µg/m³, 3.7× its usual 10.5Anan, 5 July: 66.8 µg/m³, 6.5× its usual 10.3Anan, 6 July: 36.6 µg/m³, 3.6× its usual 10.3Anan, 7 July: 25.0 µg/m³, 2.4× its usual 10.6Anan, 8 July: 35.0 µg/m³, 3.3× its usual 10.6Anan, 9 July: 42.3 µg/m³, 4.1× its usual 10.4Anan, 10 July: 22.3 µg/m³Anan, 11 July: 7.8 µg/m³Anan, 12 July: 8.4 µg/m³Anan, 13 July: 7.0 µg/m³MieMie, 27 June: 11.5 µg/m³Mie, 28 June: 13.4 µg/m³Mie, 29 June: 17.1 µg/m³Mie, 30 June: 16.9 µg/m³Mie, 1 July: 30.9 µg/m³, 4.3× its usual 7.2Mie, 2 July: 49.1 µg/m³, 6.7× its usual 7.3Mie, 3 July: 61.1 µg/m³, 8.7× its usual 7.0Mie, 4 July: 54.7 µg/m³, 7.9× its usual 6.9Mie, 5 July: 38.6 µg/m³, 5.7× its usual 6.8Mie, 6 July: 10.2 µg/m³Mie, 7 July: 10.8 µg/m³Mie, 8 July: 19.5 µg/m³Mie, 9 July: 27.1 µg/m³, 3.7× its usual 7.4Mie, 10 July: 8.2 µg/m³Mie, 11 July: 2.1 µg/m³Mie, 12 July: 3.2 µg/m³Mie, 13 July: 2.1 µg/m³IkedachōIkedachō, 27 June: 14.9 µg/m³Ikedachō, 28 June: 19.7 µg/m³Ikedachō, 29 June: 18.7 µg/m³Ikedachō, 30 June: 24.9 µg/m³Ikedachō, 1 July: 26.1 µg/m³, 2.4× its usual 10.9Ikedachō, 2 July: 49.6 µg/m³, 4.4× its usual 11.3Ikedachō, 3 July: 47.8 µg/m³, 4.6× its usual 10.4Ikedachō, 4 July: 60.7 µg/m³, 6.0× its usual 10.2Ikedachō, 5 July: 45.2 µg/m³, 4.5× its usual 10.1Ikedachō, 6 July: 18.4 µg/m³Ikedachō, 7 July: 15.3 µg/m³Ikedachō, 8 July: 18.2 µg/m³Ikedachō, 9 July: 18.1 µg/m³Ikedachō, 10 July: 21.7 µg/m³Ikedachō, 11 July: 8.6 µg/m³Ikedachō, 12 July: 6.5 µg/m³Ikedachō, 13 July: 6.0 µg/m³KumamotoKumamoto, 27 June: 6.8 µg/m³Kumamoto, 28 June: 7.8 µg/m³Kumamoto, 29 June: 13.2 µg/m³Kumamoto, 30 June: 20.7 µg/m³Kumamoto, 1 July: 35.4 µg/m³, 6.1× its usual 5.8Kumamoto, 2 July: 58.5 µg/m³, 9.9× its usual 5.9Kumamoto, 3 July: 40.4 µg/m³, 6.8× its usual 5.9Kumamoto, 4 July: 34.1 µg/m³, 5.9× its usual 5.8Kumamoto, 5 July: 22.9 µg/m³Kumamoto, 6 July: 7.0 µg/m³Kumamoto, 7 July: 8.6 µg/m³Kumamoto, 8 July: 13.6 µg/m³Kumamoto, 9 July: 23.3 µg/m³Kumamoto, 10 July: 8.8 µg/m³Kumamoto, 11 July: 2.5 µg/m³Kumamoto, 12 July: 3.2 µg/m³Kumamoto, 13 July: 3.8 µg/m³NagahamaNagahama, 27 June: 14.2 µg/m³Nagahama, 28 June: 9.3 µg/m³Nagahama, 29 June: 12.7 µg/m³Nagahama, 30 June: 21.0 µg/m³Nagahama, 1 July: 25.7 µg/m³, 2.5× its usual 10.4Nagahama, 2 July: 58.2 µg/m³, 5.5× its usual 10.5Nagahama, 3 July: 32.0 µg/m³, 3.0× its usual 10.5Nagahama, 4 July: 32.9 µg/m³, 3.1× its usual 10.5Nagahama, 5 July: 36.8 µg/m³, 3.6× its usual 10.3Nagahama, 6 July: 14.6 µg/m³Nagahama, 7 July: 15.0 µg/m³Nagahama, 8 July: 34.0 µg/m³, 3.3× its usual 10.3Nagahama, 9 July: 46.0 µg/m³, 4.4× its usual 10.4Nagahama, 10 July: 28.1 µg/m³, 2.7× its usual 10.5Nagahama, 11 July: 8.2 µg/m³Nagahama, 12 July: 10.0 µg/m³Nagahama, 13 July: 11.1 µg/m³ŌitaŌita, 27 June: 18.0 µg/m³Ōita, 28 June: 15.0 µg/m³Ōita, 29 June: 15.5 µg/m³Ōita, 30 June: 18.5 µg/m³Ōita, 1 July: 28.1 µg/m³, 3.5× its usual 8.1Ōita, 2 July: 42.1 µg/m³, 5.2× its usual 8.1Ōita, 3 July: 57.8 µg/m³, 7.1× its usual 8.1Ōita, 4 July: 52.1 µg/m³, 6.5× its usual 8.0Ōita, 5 July: 42.4 µg/m³, 5.4× its usual 7.8Ōita, 6 July: 17.6 µg/m³Ōita, 7 July: 12.3 µg/m³Ōita, 8 July: 18.4 µg/m³Ōita, 9 July: 27.1 µg/m³, 3.4× its usual 8.0Ōita, 10 July: 20.1 µg/m³Ōita, 11 July: 2.8 µg/m³Ōita, 12 July: 5.4 µg/m³Ōita, 13 July: 1.7 µg/m³MinamataMinamata, 27 June: 11.8 µg/m³Minamata, 28 June: 9.0 µg/m³Minamata, 29 June: 10.5 µg/m³Minamata, 30 June: 21.6 µg/m³Minamata, 1 July: 40.8 µg/m³, 5.6× its usual 7.3Minamata, 2 July: 57.1 µg/m³, 7.6× its usual 7.5Minamata, 3 July: 41.5 µg/m³, 5.5× its usual 7.6Minamata, 4 July: 39.9 µg/m³, 5.3× its usual 7.5Minamata, 5 July: 24.1 µg/m³Minamata, 6 July: 9.8 µg/m³Minamata, 7 July: no readingMinamata, 8 July: no readingMinamata, 9 July: no readingMinamata, 10 July: 6.8 µg/m³Minamata, 11 July: 3.8 µg/m³Minamata, 12 July: 5.5 µg/m³Minamata, 13 July: 6.7 µg/m³TakashimaTakashima, 27 June: 15.7 µg/m³Takashima, 28 June: 9.2 µg/m³Takashima, 29 June: 10.9 µg/m³Takashima, 30 June: 19.5 µg/m³Takashima, 1 July: 25.8 µg/m³, 2.7× its usual 9.5Takashima, 2 July: 56.3 µg/m³, 5.9× its usual 9.6Takashima, 3 July: 36.9 µg/m³, 3.8× its usual 9.6Takashima, 4 July: 32.9 µg/m³, 3.5× its usual 9.5Takashima, 5 July: 33.4 µg/m³, 3.6× its usual 9.4Takashima, 6 July: 15.0 µg/m³Takashima, 7 July: 11.8 µg/m³Takashima, 8 July: 22.7 µg/m³Takashima, 9 July: 40.6 µg/m³, 4.4× its usual 9.2Takashima, 10 July: 29.9 µg/m³, 3.2× its usual 9.4Takashima, 11 July: 8.0 µg/m³Takashima, 12 July: 9.3 µg/m³Takashima, 13 July: 11.9 µg/m³KotōKotō, 27 June: 7.7 µg/m³Kotō, 28 June: 8.8 µg/m³Kotō, 29 June: 12.0 µg/m³Kotō, 30 June: 21.9 µg/m³Kotō, 1 July: 36.5 µg/m³, 6.0× its usual 6.1Kotō, 2 July: 56.2 µg/m³, 9.2× its usual 6.1Kotō, 3 July: 41.3 µg/m³, 6.8× its usual 6.1Kotō, 4 July: 36.8 µg/m³, 6.0× its usual 6.1Kotō, 5 July: 24.1 µg/m³Kotō, 6 July: 8.8 µg/m³Kotō, 7 July: 9.2 µg/m³Kotō, 8 July: 14.4 µg/m³Kotō, 9 July: 22.3 µg/m³Kotō, 10 July: 6.8 µg/m³Kotō, 11 July: 2.1 µg/m³Kotō, 12 July: 2.8 µg/m³Kotō, 13 July: 3.9 µg/m³HonmachiHonmachi, 27 June: 9.2 µg/m³Honmachi, 28 June: 9.5 µg/m³Honmachi, 29 June: 12.9 µg/m³Honmachi, 30 June: 22.1 µg/m³Honmachi, 1 July: 39.1 µg/m³, 6.1× its usual 6.4Honmachi, 2 July: 55.8 µg/m³, 8.6× its usual 6.5Honmachi, 3 July: 43.1 µg/m³, 6.6× its usual 6.5Honmachi, 4 July: 40.5 µg/m³, 6.2× its usual 6.5Honmachi, 5 July: 23.1 µg/m³Honmachi, 6 July: 9.0 µg/m³Honmachi, 7 July: 7.7 µg/m³Honmachi, 8 July: 14.1 µg/m³Honmachi, 9 July: 20.2 µg/m³Honmachi, 10 July: no readingHonmachi, 11 July: 3.4 µg/m³Honmachi, 12 July: 4.3 µg/m³Honmachi, 13 July: 4.8 µg/m³MimaMima, 27 June: 14.4 µg/m³Mima, 28 June: 21.0 µg/m³Mima, 29 June: 19.5 µg/m³Mima, 30 June: 23.9 µg/m³Mima, 1 July: 26.6 µg/m³, 2.4× its usual 11.2Mima, 2 July: 44.7 µg/m³, 3.9× its usual 11.5Mima, 3 July: 55.1 µg/m³, 4.9× its usual 11.2Mima, 4 July: 52.5 µg/m³, 4.7× its usual 11.1Mima, 5 July: 46.9 µg/m³, 4.4× its usual 10.7Mima, 6 July: 18.3 µg/m³Mima, 7 July: 16.7 µg/m³Mima, 8 July: 19.6 µg/m³Mima, 9 July: 24.1 µg/m³Mima, 10 July: 22.2 µg/m³Mima, 11 July: 8.1 µg/m³Mima, 12 July: 7.2 µg/m³Mima, 13 July: 5.8 µg/m³OnoOno, 27 June: 14.4 µg/m³Ono, 28 June: 9.5 µg/m³Ono, 29 June: 11.0 µg/m³Ono, 30 June: 16.2 µg/m³Ono, 1 July: 27.1 µg/m³, 3.5× its usual 7.7Ono, 2 July: 54.5 µg/m³, 6.6× its usual 8.3Ono, 3 July: 35.6 µg/m³, 4.4× its usual 8.1Ono, 4 July: 25.5 µg/m³, 3.2× its usual 8.0Ono, 5 July: 19.8 µg/m³Ono, 6 July: 11.8 µg/m³Ono, 7 July: 11.8 µg/m³Ono, 8 July: 16.9 µg/m³Ono, 9 July: 21.0 µg/m³Ono, 10 July: 26.3 µg/m³, 3.2× its usual 8.1Ono, 11 July: 10.1 µg/m³Ono, 12 July: 11.2 µg/m³Ono, 13 July: 8.6 µg/m³UtoUto, 27 June: 9.7 µg/m³Uto, 28 June: 9.2 µg/m³Uto, 29 June: 9.6 µg/m³Uto, 30 June: 20.6 µg/m³Uto, 1 July: 36.4 µg/m³, 5.9× its usual 6.2Uto, 2 July: 52.5 µg/m³, 8.2× its usual 6.4Uto, 3 July: no readingUto, 4 July: no readingUto, 5 July: 23.5 µg/m³Uto, 6 July: 7.0 µg/m³Uto, 7 July: 9.5 µg/m³Uto, 8 July: 13.0 µg/m³Uto, 9 July: 20.9 µg/m³Uto, 10 July: 5.8 µg/m³Uto, 11 July: 4.4 µg/m³Uto, 12 July: 4.1 µg/m³Uto, 13 July: 4.6 µg/m³AyabeAyabe, 27 June: 14.2 µg/m³Ayabe, 28 June: 13.6 µg/m³Ayabe, 29 June: 13.3 µg/m³Ayabe, 30 June: 19.6 µg/m³Ayabe, 1 July: 28.0 µg/m³, 2.9× its usual 9.6Ayabe, 2 July: 52.4 µg/m³, 5.5× its usual 9.6Ayabe, 3 July: 30.8 µg/m³, 3.2× its usual 9.6Ayabe, 4 July: 38.2 µg/m³, 4.0× its usual 9.5Ayabe, 5 July: 35.3 µg/m³, 3.8× its usual 9.3Ayabe, 6 July: 18.6 µg/m³Ayabe, 7 July: 12.4 µg/m³Ayabe, 8 July: 14.9 µg/m³Ayabe, 9 July: 24.6 µg/m³Ayabe, 10 July: 25.6 µg/m³, 2.7× its usual 9.5Ayabe, 11 July: 13.5 µg/m³Ayabe, 12 July: 13.5 µg/m³Ayabe, 13 July: 9.6 µg/m³YaeYae, 27 June: 17.1 µg/m³Yae, 28 June: 14.2 µg/m³Yae, 29 June: 12.5 µg/m³Yae, 30 June: 17.5 µg/m³Yae, 1 July: 30.5 µg/m³, 3.9× its usual 7.9Yae, 2 July: 40.6 µg/m³, 4.9× its usual 8.3Yae, 3 July: 40.4 µg/m³, 5.1× its usual 8.0Yae, 4 July: 52.2 µg/m³, 6.6× its usual 7.9Yae, 5 July: 27.0 µg/m³, 3.5× its usual 7.8Yae, 6 July: 12.9 µg/m³Yae, 7 July: 10.5 µg/m³Yae, 8 July: 14.2 µg/m³Yae, 9 July: 14.1 µg/m³Yae, 10 July: 24.6 µg/m³Yae, 11 July: 17.6 µg/m³Yae, 12 July: 10.3 µg/m³Yae, 13 July: 11.3 µg/m³NiimiNiimi, 27 June: 16.4 µg/m³Niimi, 28 June: 16.0 µg/m³Niimi, 29 June: 17.3 µg/m³Niimi, 30 June: 22.0 µg/m³Niimi, 1 July: 30.5 µg/m³, 3.5× its usual 8.7Niimi, 2 July: 35.3 µg/m³, 3.9× its usual 9.0Niimi, 3 July: 28.8 µg/m³, 3.3× its usual 8.8Niimi, 4 July: 51.9 µg/m³, 6.0× its usual 8.6Niimi, 5 July: 24.9 µg/m³Niimi, 6 July: 10.8 µg/m³Niimi, 7 July: 11.1 µg/m³Niimi, 8 July: 12.9 µg/m³Niimi, 9 July: 23.0 µg/m³Niimi, 10 July: 27.5 µg/m³, 3.2× its usual 8.5Niimi, 11 July: 16.3 µg/m³Niimi, 12 July: 8.1 µg/m³Niimi, 13 July: 7.7 µg/m³TsuyamaTsuyama, 27 June: 17.1 µg/m³Tsuyama, 28 June: 19.3 µg/m³Tsuyama, 29 June: 18.6 µg/m³Tsuyama, 30 June: 23.5 µg/m³Tsuyama, 1 July: 29.9 µg/m³, 3.1× its usual 9.6Tsuyama, 2 July: 33.8 µg/m³, 3.5× its usual 9.6Tsuyama, 3 July: 31.2 µg/m³, 3.3× its usual 9.5Tsuyama, 4 July: 50.9 µg/m³, 5.6× its usual 9.1Tsuyama, 5 July: 47.0 µg/m³, 5.2× its usual 9.0Tsuyama, 6 July: 15.0 µg/m³Tsuyama, 7 July: 14.6 µg/m³Tsuyama, 8 July: 15.5 µg/m³Tsuyama, 9 July: 32.0 µg/m³, 3.4× its usual 9.5Tsuyama, 10 July: 33.4 µg/m³, 3.5× its usual 9.6Tsuyama, 11 July: 17.9 µg/m³Tsuyama, 12 July: 9.2 µg/m³Tsuyama, 13 July: 6.6 µg/m³KōkaKōka, 27 June: 10.4 µg/m³Kōka, 28 June: 7.2 µg/m³Kōka, 29 June: 10.5 µg/m³Kōka, 30 June: 16.5 µg/m³Kōka, 1 July: 23.1 µg/m³Kōka, 2 July: 38.9 µg/m³, 5.4× its usual 7.2Kōka, 3 July: 26.2 µg/m³, 3.6× its usual 7.2Kōka, 4 July: 34.2 µg/m³, 4.9× its usual 7.0Kōka, 5 July: 40.4 µg/m³, 5.8× its usual 7.0Kōka, 6 July: 17.1 µg/m³Kōka, 7 July: 9.6 µg/m³Kōka, 8 July: 23.8 µg/m³Kōka, 9 July: 117.0 µg/m³, 16× its usual 7.2Kōka, 10 July: 8.6 µg/m³Kōka, 11 July: 3.3 µg/m³Kōka, 12 July: 6.4 µg/m³Kōka, 13 July: 6.5 µg/m³SaikiSaiki, 27 June: 13.3 µg/m³Saiki, 28 June: 13.3 µg/m³Saiki, 29 June: 13.6 µg/m³Saiki, 30 June: 14.6 µg/m³Saiki, 1 July: 20.2 µg/m³Saiki, 2 July: 42.8 µg/m³, 5.1× its usual 8.4Saiki, 3 July: 58.5 µg/m³, 7.4× its usual 7.9Saiki, 4 July: 60.4 µg/m³, 7.6× its usual 7.9Saiki, 5 July: 47.1 µg/m³, 6.1× its usual 7.7Saiki, 6 July: 22.7 µg/m³Saiki, 7 July: 12.5 µg/m³Saiki, 8 July: 20.3 µg/m³Saiki, 9 July: 31.4 µg/m³, 3.4× its usual 9.3Saiki, 10 July: 12.7 µg/m³Saiki, 11 July: 2.6 µg/m³Saiki, 12 July: 4.3 µg/m³Saiki, 13 July: 2.3 µg/m³HiragiHiragi, 27 June: 13.6 µg/m³Hiragi, 28 June: 16.9 µg/m³Hiragi, 29 June: 17.9 µg/m³Hiragi, 30 June: 22.0 µg/m³Hiragi, 1 July: 21.8 µg/m³Hiragi, 2 July: 48.1 µg/m³, 5.7× its usual 8.4Hiragi, 3 July: 54.4 µg/m³, 6.6× its usual 8.3Hiragi, 4 July: 59.5 µg/m³, 7.3× its usual 8.2Hiragi, 5 July: 40.0 µg/m³, 4.9× its usual 8.1Hiragi, 6 July: 14.7 µg/m³Hiragi, 7 July: 12.0 µg/m³Hiragi, 8 July: 16.5 µg/m³Hiragi, 9 July: 20.1 µg/m³Hiragi, 10 July: 22.1 µg/m³Hiragi, 11 July: 7.1 µg/m³Hiragi, 12 July: 5.6 µg/m³Hiragi, 13 July: 6.0 µg/m³ZentsujichóZentsujichó, 27 June: 13.3 µg/m³Zentsujichó, 28 June: 15.5 µg/m³Zentsujichó, 29 June: 16.0 µg/m³Zentsujichó, 30 June: 20.7 µg/m³Zentsujichó, 1 July: 18.4 µg/m³Zentsujichó, 2 July: 47.4 µg/m³, 4.7× its usual 10.0Zentsujichó, 3 July: 57.0 µg/m³, 5.7× its usual 10.0Zentsujichó, 4 July: 59.5 µg/m³, 6.0× its usual 9.9Zentsujichó, 5 July: 36.4 µg/m³, 3.7× its usual 9.8Zentsujichó, 6 July: 12.9 µg/m³Zentsujichó, 7 July: 10.7 µg/m³Zentsujichó, 8 July: 15.5 µg/m³Zentsujichó, 9 July: 20.5 µg/m³Zentsujichó, 10 July: 22.5 µg/m³Zentsujichó, 11 July: 7.9 µg/m³Zentsujichó, 12 July: 7.8 µg/m³Zentsujichó, 13 July: 5.8 µg/m³OnomichiOnomichi, 27 June: 18.7 µg/m³Onomichi, 28 June: 21.6 µg/m³Onomichi, 29 June: 25.3 µg/m³Onomichi, 30 June: 19.6 µg/m³Onomichi, 1 July: 18.1 µg/m³Onomichi, 2 July: 42.9 µg/m³, 3.8× its usual 11.2Onomichi, 3 July: 58.7 µg/m³, 5.2× its usual 11.3Onomichi, 4 July: 54.7 µg/m³, 4.9× its usual 11.1Onomichi, 5 July: 34.7 µg/m³, 3.2× its usual 10.8Onomichi, 6 July: 17.3 µg/m³Onomichi, 7 July: 12.7 µg/m³Onomichi, 8 July: 20.0 µg/m³Onomichi, 9 July: 25.5 µg/m³, 2.3× its usual 11.2Onomichi, 10 July: 28.4 µg/m³, 2.5× its usual 11.2Onomichi, 11 July: 18.0 µg/m³Onomichi, 12 July: 12.2 µg/m³Onomichi, 13 July: 7.7 µg/m³Shin’ichiShin’ichi, 27 June: 17.7 µg/m³Shin’ichi, 28 June: 20.6 µg/m³Shin’ichi, 29 June: 21.5 µg/m³Shin’ichi, 30 June: 20.9 µg/m³Shin’ichi, 1 July: 18.1 µg/m³Shin’ichi, 2 July: 40.0 µg/m³, 3.8× its usual 10.6Shin’ichi, 3 July: 46.9 µg/m³, 4.4× its usual 10.6Shin’ichi, 4 July: 56.5 µg/m³, 5.4× its usual 10.5Shin’ichi, 5 July: 33.3 µg/m³, 3.2× its usual 10.4Shin’ichi, 6 July: 16.2 µg/m³Shin’ichi, 7 July: 14.0 µg/m³Shin’ichi, 8 July: 16.4 µg/m³Shin’ichi, 9 July: 26.9 µg/m³, 2.6× its usual 10.5Shin’ichi, 10 July: 24.0 µg/m³Shin’ichi, 11 July: 16.0 µg/m³Shin’ichi, 12 July: 10.4 µg/m³Shin’ichi, 13 July: 8.0 µg/m³NiihamaNiihama, 27 June: 13.1 µg/m³Niihama, 28 June: 18.8 µg/m³Niihama, 29 June: 19.1 µg/m³Niihama, 30 June: 18.5 µg/m³Niihama, 1 July: 18.6 µg/m³Niihama, 2 July: 37.3 µg/m³, 3.2× its usual 11.6Niihama, 3 July: 48.8 µg/m³, 4.2× its usual 11.6Niihama, 4 July: 55.8 µg/m³, 5.0× its usual 11.2Niihama, 5 July: 35.8 µg/m³, 3.3× its usual 11.0Niihama, 6 July: 15.4 µg/m³Niihama, 7 July: 12.2 µg/m³Niihama, 8 July: 18.3 µg/m³Niihama, 9 July: 22.7 µg/m³Niihama, 10 July: 25.9 µg/m³, 2.4× its usual 10.9Niihama, 11 July: 10.9 µg/m³Niihama, 12 July: 11.9 µg/m³Niihama, 13 July: 9.1 µg/m³GionGion, 27 June: 17.8 µg/m³Gion, 28 June: 17.0 µg/m³Gion, 29 June: 13.6 µg/m³Gion, 30 June: 16.5 µg/m³Gion, 1 July: 19.3 µg/m³Gion, 2 July: 46.0 µg/m³, 4.6× its usual 10.0Gion, 3 July: 55.4 µg/m³, 5.5× its usual 10.0Gion, 4 July: 49.7 µg/m³, 5.0× its usual 9.9Gion, 5 July: 30.9 µg/m³, 3.1× its usual 9.9Gion, 6 July: 15.0 µg/m³Gion, 7 July: 12.3 µg/m³Gion, 8 July: 16.1 µg/m³Gion, 9 July: 16.3 µg/m³Gion, 10 July: 27.0 µg/m³, 2.7× its usual 10.0Gion, 11 July: 20.5 µg/m³Gion, 12 July: 10.5 µg/m³Gion, 13 July: 11.4 µg/m³HigashihiroshimaHigashihiroshima, 27 June: 18.8 µg/m³Higashihiroshima, 28 June: 18.9 µg/m³Higashihiroshima, 29 June: 16.5 µg/m³Higashihiroshima, 30 June: 17.3 µg/m³Higashihiroshima, 1 July: 17.7 µg/m³Higashihiroshima, 2 July: 46.5 µg/m³, 4.6× its usual 10.1Higashihiroshima, 3 July: 54.5 µg/m³, 5.4× its usual 10.1Higashihiroshima, 4 July: 52.0 µg/m³, 5.1× its usual 10.1Higashihiroshima, 5 July: 30.2 µg/m³, 3.1× its usual 9.8Higashihiroshima, 6 July: 15.0 µg/m³Higashihiroshima, 7 July: 12.0 µg/m³Higashihiroshima, 8 July: 17.5 µg/m³Higashihiroshima, 9 July: 24.9 µg/m³Higashihiroshima, 10 July: 29.9 µg/m³, 3.0× its usual 10.1Higashihiroshima, 11 July: 16.3 µg/m³Higashihiroshima, 12 July: 11.3 µg/m³Higashihiroshima, 13 July: 10.4 µg/m³ShinagawaShinagawa, 27 June: 9.0 µg/m³Shinagawa, 28 June: 15.7 µg/m³Shinagawa, 29 June: 16.7 µg/m³Shinagawa, 30 June: 19.5 µg/m³Shinagawa, 1 July: 18.2 µg/m³Shinagawa, 2 July: 41.1 µg/m³, 6.3× its usual 6.5Shinagawa, 3 July: 38.3 µg/m³, 6.2× its usual 6.2Shinagawa, 4 July: 54.5 µg/m³, 8.8× its usual 6.2Shinagawa, 5 July: 35.1 µg/m³, 5.7× its usual 6.2Shinagawa, 6 July: 13.3 µg/m³Shinagawa, 7 July: 10.5 µg/m³Shinagawa, 8 July: 14.5 µg/m³Shinagawa, 9 July: 29.0 µg/m³, 4.4× its usual 6.6Shinagawa, 10 July: 17.8 µg/m³Shinagawa, 11 July: 3.5 µg/m³Shinagawa, 12 July: 3.7 µg/m³Shinagawa, 13 July: 2.1 µg/m³ShikokuchūōShikokuchūō, 27 June: 14.7 µg/m³Shikokuchūō, 28 June: 21.0 µg/m³Shikokuchūō, 29 June: 18.0 µg/m³Shikokuchūō, 30 June: 19.4 µg/m³Shikokuchūō, 1 July: 21.1 µg/m³Shikokuchūō, 2 July: 44.5 µg/m³, 4.0× its usual 11.1Shikokuchūō, 3 July: 50.2 µg/m³, 4.5× its usual 11.1Shikokuchūō, 4 July: 54.4 µg/m³, 4.9× its usual 11.0Shikokuchūō, 5 July: 40.0 µg/m³, 3.7× its usual 10.9Shikokuchūō, 6 July: 16.0 µg/m³Shikokuchūō, 7 July: 10.9 µg/m³Shikokuchūō, 8 July: 17.2 µg/m³Shikokuchūō, 9 July: 22.8 µg/m³Shikokuchūō, 10 July: 27.5 µg/m³, 2.5× its usual 11.0Shikokuchūō, 11 July: 6.3 µg/m³Shikokuchūō, 12 July: 8.9 µg/m³Shikokuchūō, 13 July: 5.2 µg/m³KasaokaKasaoka, 27 June: 19.0 µg/m³Kasaoka, 28 June: 22.9 µg/m³Kasaoka, 29 June: 25.4 µg/m³Kasaoka, 30 June: 24.2 µg/m³Kasaoka, 1 July: 18.7 µg/m³Kasaoka, 2 July: 34.8 µg/m³, 2.7× its usual 12.9Kasaoka, 3 July: 48.5 µg/m³, 3.9× its usual 12.5Kasaoka, 4 July: 54.1 µg/m³, 4.4× its usual 12.2Kasaoka, 5 July: 31.3 µg/m³, 2.6× its usual 12.0Kasaoka, 6 July: 15.5 µg/m³Kasaoka, 7 July: 13.0 µg/m³Kasaoka, 8 July: 19.5 µg/m³Kasaoka, 9 July: 28.2 µg/m³, 2.3× its usual 12.1Kasaoka, 10 July: 26.0 µg/m³, 2.1× its usual 12.3Kasaoka, 11 July: 15.8 µg/m³Kasaoka, 12 July: 7.6 µg/m³Kasaoka, 13 July: 7.4 µg/m³Kan’onjichōKan’onjichō, 27 June: 13.8 µg/m³Kan’onjichō, 28 June: 17.2 µg/m³Kan’onjichō, 29 June: 17.1 µg/m³Kan’onjichō, 30 June: 17.3 µg/m³Kan’onjichō, 1 July: 17.0 µg/m³Kan’onjichō, 2 July: 44.0 µg/m³, 4.1× its usual 10.8Kan’onjichō, 3 July: 54.0 µg/m³, 5.0× its usual 10.7Kan’onjichō, 4 July: 53.0 µg/m³, 5.0× its usual 10.5Kan’onjichō, 5 July: 34.8 µg/m³, 3.4× its usual 10.2Kan’onjichō, 6 July: 11.7 µg/m³Kan’onjichō, 7 July: 11.4 µg/m³Kan’onjichō, 8 July: 15.8 µg/m³Kan’onjichō, 9 July: 20.5 µg/m³Kan’onjichō, 10 July: 22.4 µg/m³Kan’onjichō, 11 July: 8.1 µg/m³Kan’onjichō, 12 July: 8.1 µg/m³Kan’onjichō, 13 July: 5.0 µg/m³MarugameMarugame, 27 June: 16.1 µg/m³Marugame, 28 June: 17.9 µg/m³Marugame, 29 June: 17.0 µg/m³Marugame, 30 June: 21.4 µg/m³Marugame, 1 July: 21.3 µg/m³Marugame, 2 July: 47.4 µg/m³, 4.6× its usual 10.3Marugame, 3 July: 53.1 µg/m³, 5.2× its usual 10.3Marugame, 4 July: 53.5 µg/m³, 5.3× its usual 10.1Marugame, 5 July: 35.1 µg/m³, 3.5× its usual 10.1Marugame, 6 July: 13.1 µg/m³Marugame, 7 July: 12.7 µg/m³Marugame, 8 July: 20.0 µg/m³Marugame, 9 July: 23.1 µg/m³Marugame, 10 July: 23.5 µg/m³Marugame, 11 July: 10.6 µg/m³Marugame, 12 July: 8.4 µg/m³Marugame, 13 July: 6.6 µg/m³YachiyoYachiyo, 27 June: 11.0 µg/m³Yachiyo, 28 June: 10.3 µg/m³Yachiyo, 29 June: 12.3 µg/m³Yachiyo, 30 June: 11.9 µg/m³Yachiyo, 1 July: 19.0 µg/m³Yachiyo, 2 July: 27.0 µg/m³, 3.6× its usual 7.6Yachiyo, 3 July: 25.0 µg/m³, 3.2× its usual 7.8Yachiyo, 4 July: 20.9 µg/m³Yachiyo, 5 July: 24.0 µg/m³Yachiyo, 6 July: 48.0 µg/m³, 5.8× its usual 8.3Yachiyo, 7 July: 53.5 µg/m³, 6.2× its usual 8.6Yachiyo, 8 July: 35.9 µg/m³, 4.1× its usual 8.8Yachiyo, 9 July: 30.1 µg/m³, 3.4× its usual 8.9Yachiyo, 10 July: 5.7 µg/m³Yachiyo, 11 July: 4.5 µg/m³Yachiyo, 12 July: 7.4 µg/m³Yachiyo, 13 July: 6.2 µg/m³FukuyamaFukuyama, 27 June: 16.9 µg/m³Fukuyama, 28 June: 19.6 µg/m³Fukuyama, 29 June: 23.0 µg/m³Fukuyama, 30 June: 19.0 µg/m³Fukuyama, 1 July: 16.5 µg/m³Fukuyama, 2 July: 37.1 µg/m³, 3.5× its usual 10.6Fukuyama, 3 July: 48.7 µg/m³, 4.6× its usual 10.6Fukuyama, 4 July: 52.7 µg/m³, 5.0× its usual 10.5Fukuyama, 5 July: 30.5 µg/m³, 2.9× its usual 10.4Fukuyama, 6 July: 14.8 µg/m³Fukuyama, 7 July: 12.2 µg/m³Fukuyama, 8 July: 18.2 µg/m³Fukuyama, 9 July: 27.7 µg/m³, 2.6× its usual 10.6Fukuyama, 10 July: 25.2 µg/m³, 2.4× its usual 10.6Fukuyama, 11 July: 16.8 µg/m³Fukuyama, 12 July: 9.2 µg/m³Fukuyama, 13 July: 8.0 µg/m³SabaeSabae, 27 June: 16.2 µg/m³Sabae, 28 June: 9.3 µg/m³Sabae, 29 June: 10.5 µg/m³Sabae, 30 June: 16.4 µg/m³Sabae, 1 July: 24.7 µg/m³Sabae, 2 July: 52.6 µg/m³, 5.9× its usual 8.9Sabae, 3 July: 43.7 µg/m³, 4.9× its usual 9.0Sabae, 4 July: 33.4 µg/m³, 3.8× its usual 8.9Sabae, 5 July: 21.8 µg/m³Sabae, 6 July: 11.1 µg/m³Sabae, 7 July: 12.8 µg/m³Sabae, 8 July: 16.1 µg/m³Sabae, 9 July: 21.7 µg/m³Sabae, 10 July: 26.1 µg/m³, 3.0× its usual 8.7Sabae, 11 July: 12.0 µg/m³Sabae, 12 July: 11.8 µg/m³Sabae, 13 July: 10.8 µg/m³TakahashiTakahashi, 27 June: 16.0 µg/m³Takahashi, 28 June: 18.0 µg/m³Takahashi, 29 June: 18.7 µg/m³Takahashi, 30 June: 21.4 µg/m³Takahashi, 1 July: 22.3 µg/m³Takahashi, 2 July: 36.6 µg/m³, 4.0× its usual 9.1Takahashi, 3 July: 29.2 µg/m³, 3.4× its usual 8.7Takahashi, 4 July: 52.4 µg/m³, 6.1× its usual 8.6Takahashi, 5 July: 35.2 µg/m³, 4.1× its usual 8.6Takahashi, 6 July: 14.8 µg/m³Takahashi, 7 July: 12.4 µg/m³Takahashi, 8 July: 13.0 µg/m³Takahashi, 9 July: 26.8 µg/m³, 3.1× its usual 8.6Takahashi, 10 July: 27.4 µg/m³, 3.2× its usual 8.6Takahashi, 11 July: 18.3 µg/m³Takahashi, 12 July: 7.7 µg/m³Takahashi, 13 July: 6.7 µg/m³MaizuruMaizuru, 27 June: 12.9 µg/m³Maizuru, 28 June: 12.9 µg/m³Maizuru, 29 June: 10.0 µg/m³Maizuru, 30 June: 16.7 µg/m³Maizuru, 1 July: 24.3 µg/m³Maizuru, 2 July: 52.0 µg/m³, 6.4× its usual 8.1Maizuru, 3 July: 42.1 µg/m³, 5.2× its usual 8.1Maizuru, 4 July: 32.6 µg/m³, 4.1× its usual 7.9Maizuru, 5 July: 29.8 µg/m³, 3.8× its usual 7.8Maizuru, 6 July: 14.7 µg/m³Maizuru, 7 July: 10.8 µg/m³Maizuru, 8 July: 13.7 µg/m³Maizuru, 9 July: 22.1 µg/m³Maizuru, 10 July: 25.6 µg/m³, 3.2× its usual 7.9Maizuru, 11 July: 12.6 µg/m³Maizuru, 12 July: 12.8 µg/m³Maizuru, 13 July: 8.3 µg/m³SōjaSōja, 27 June: 16.2 µg/m³Sōja, 28 June: 20.2 µg/m³Sōja, 29 June: 19.1 µg/m³Sōja, 30 June: 20.0 µg/m³Sōja, 1 July: 17.7 µg/m³Sōja, 2 July: 34.9 µg/m³, 3.4× its usual 10.4Sōja, 3 July: 35.3 µg/m³, 3.5× its usual 10.0Sōja, 4 July: 51.4 µg/m³, 5.2× its usual 9.9Sōja, 5 July: 32.7 µg/m³, 3.3× its usual 9.8Sōja, 6 July: 18.3 µg/m³Sōja, 7 July: 15.2 µg/m³Sōja, 8 July: 17.9 µg/m³Sōja, 9 July: 34.4 µg/m³, 3.3× its usual 10.5Sōja, 10 July: 23.3 µg/m³Sōja, 11 July: 15.6 µg/m³Sōja, 12 July: 7.1 µg/m³Sōja, 13 July: 6.6 µg/m³ImabariImabari, 27 June: 15.3 µg/m³Imabari, 28 June: 19.7 µg/m³Imabari, 29 June: 18.5 µg/m³Imabari, 30 June: 16.6 µg/m³Imabari, 1 July: 15.3 µg/m³Imabari, 2 July: 36.3 µg/m³, 3.6× its usual 10.1Imabari, 3 July: 47.1 µg/m³, 4.7× its usual 10.1Imabari, 4 July: 50.9 µg/m³, 5.2× its usual 9.8Imabari, 5 July: 37.1 µg/m³, 3.9× its usual 9.6Imabari, 6 July: 12.2 µg/m³Imabari, 7 July: 11.8 µg/m³Imabari, 8 July: 20.4 µg/m³Imabari, 9 July: 28.6 µg/m³, 2.9× its usual 9.8Imabari, 10 July: 33.1 µg/m³, 3.3× its usual 10.0Imabari, 11 July: 21.5 µg/m³Imabari, 12 July: 13.8 µg/m³Imabari, 13 July: 11.2 µg/m³TsurusakiTsurusaki, 27 June: 14.8 µg/m³Tsurusaki, 28 June: 12.7 µg/m³Tsurusaki, 29 June: 12.9 µg/m³Tsurusaki, 30 June: 16.4 µg/m³Tsurusaki, 1 July: 21.5 µg/m³Tsurusaki, 2 July: 32.0 µg/m³, 3.6× its usual 8.9Tsurusaki, 3 July: 50.8 µg/m³, 5.9× its usual 8.6Tsurusaki, 4 July: 46.7 µg/m³, 5.4× its usual 8.6Tsurusaki, 5 July: 36.0 µg/m³, 4.2× its usual 8.5Tsurusaki, 6 July: 16.2 µg/m³Tsurusaki, 7 July: 10.8 µg/m³Tsurusaki, 8 July: 18.3 µg/m³Tsurusaki, 9 July: 27.7 µg/m³, 3.3× its usual 8.5Tsurusaki, 10 July: 20.8 µg/m³Tsurusaki, 11 July: 3.1 µg/m³Tsurusaki, 12 July: 5.8 µg/m³Tsurusaki, 13 July: 1.6 µg/m³KashiwaraKashiwara, 27 June: 16.6 µg/m³Kashiwara, 28 June: 16.6 µg/m³Kashiwara, 29 June: 17.3 µg/m³Kashiwara, 30 June: 22.3 µg/m³Kashiwara, 1 July: 24.2 µg/m³Kashiwara, 2 July: 28.5 µg/m³, 2.9× its usual 9.8Kashiwara, 3 July: 39.5 µg/m³, 4.1× its usual 9.7Kashiwara, 4 July: 50.8 µg/m³, 5.4× its usual 9.4Kashiwara, 5 July: 46.1 µg/m³, 5.1× its usual 9.1Kashiwara, 6 July: 28.0 µg/m³, 3.1× its usual 9.1Kashiwara, 7 July: 20.3 µg/m³Kashiwara, 8 July: 25.5 µg/m³, 2.6× its usual 9.8Kashiwara, 9 July: 29.4 µg/m³, 3.0× its usual 9.8Kashiwara, 10 July: 19.6 µg/m³Kashiwara, 11 July: 7.1 µg/m³Kashiwara, 12 July: 8.3 µg/m³Kashiwara, 13 July: 8.0 µg/m³KureKure, 27 June: 15.4 µg/m³Kure, 28 June: 21.0 µg/m³Kure, 29 June: 17.2 µg/m³Kure, 30 June: 16.7 µg/m³Kure, 1 July: 16.4 µg/m³Kure, 2 July: 40.2 µg/m³, 3.6× its usual 11.1Kure, 3 July: 50.7 µg/m³, 4.6× its usual 11.1Kure, 4 July: 44.7 µg/m³, 4.1× its usual 11.0Kure, 5 July: 31.9 µg/m³, 3.2× its usual 10.1Kure, 6 July: 13.2 µg/m³Kure, 7 July: 12.2 µg/m³Kure, 8 July: 20.9 µg/m³Kure, 9 July: 29.2 µg/m³, 2.9× its usual 10.1Kure, 10 July: 37.5 µg/m³, 3.7× its usual 10.1Kure, 11 July: 22.5 µg/m³Kure, 12 July: 15.9 µg/m³Kure, 13 July: 11.6 µg/m³Kashihara-shiKashihara-shi, 27 June: 16.8 µg/m³Kashihara-shi, 28 June: 15.5 µg/m³Kashihara-shi, 29 June: 15.4 µg/m³Kashihara-shi, 30 June: 20.8 µg/m³Kashihara-shi, 1 July: 22.9 µg/m³Kashihara-shi, 2 July: 33.1 µg/m³, 3.6× its usual 9.1Kashihara-shi, 3 July: 34.8 µg/m³, 3.8× its usual 9.1Kashihara-shi, 4 July: 50.6 µg/m³, 5.6× its usual 9.0Kashihara-shi, 5 July: 42.9 µg/m³, 4.8× its usual 8.9Kashihara-shi, 6 July: 25.5 µg/m³, 2.9× its usual 8.7Kashihara-shi, 7 July: 16.1 µg/m³Kashihara-shi, 8 July: 24.2 µg/m³Kashihara-shi, 9 July: 28.2 µg/m³, 3.0× its usual 9.3Kashihara-shi, 10 July: 17.5 µg/m³Kashihara-shi, 11 July: 4.3 µg/m³Kashihara-shi, 12 July: 6.7 µg/m³Kashihara-shi, 13 July: 7.2 µg/m³ObamaObama, 27 June: 12.5 µg/m³Obama, 28 June: 8.8 µg/m³Obama, 29 June: 10.2 µg/m³Obama, 30 June: 18.0 µg/m³Obama, 1 July: 16.6 µg/m³Obama, 2 July: 50.5 µg/m³, 5.2× its usual 9.8Obama, 3 July: 40.3 µg/m³, 4.1× its usual 9.8Obama, 4 July: 33.0 µg/m³, 3.4× its usual 9.6Obama, 5 July: 28.1 µg/m³, 3.0× its usual 9.5Obama, 6 July: 11.1 µg/m³Obama, 7 July: 9.4 µg/m³Obama, 8 July: 11.6 µg/m³Obama, 9 July: 22.6 µg/m³Obama, 10 July: 21.6 µg/m³Obama, 11 July: 10.8 µg/m³Obama, 12 July: 9.6 µg/m³Obama, 13 July: 8.9 µg/m³IzumiIzumi, 27 June: 16.0 µg/m³Izumi, 28 June: 16.0 µg/m³Izumi, 29 June: 15.1 µg/m³Izumi, 30 June: 15.7 µg/m³Izumi, 1 July: 17.2 µg/m³Izumi, 2 July: 27.0 µg/m³, 3.0× its usual 8.9Izumi, 3 July: 35.2 µg/m³, 4.0× its usual 8.8Izumi, 4 July: 50.4 µg/m³, 6.2× its usual 8.1Izumi, 5 July: 40.1 µg/m³, 5.0× its usual 8.1Izumi, 6 July: 20.5 µg/m³Izumi, 7 July: 16.9 µg/m³Izumi, 8 July: 21.9 µg/m³Izumi, 9 July: 29.2 µg/m³, 3.2× its usual 9.0Izumi, 10 July: 17.9 µg/m³Izumi, 11 July: 9.0 µg/m³Izumi, 12 July: 5.9 µg/m³Izumi, 13 July: 6.2 µg/m³MatsuyamaMatsuyama, 27 June: 11.1 µg/m³Matsuyama, 28 June: 17.0 µg/m³Matsuyama, 29 June: 14.2 µg/m³Matsuyama, 30 June: 15.7 µg/m³Matsuyama, 1 July: 14.9 µg/m³Matsuyama, 2 July: 34.2 µg/m³, 3.3× its usual 10.4Matsuyama, 3 July: 50.3 µg/m³, 4.8× its usual 10.4Matsuyama, 4 July: 45.5 µg/m³, 4.6× its usual 10.0Matsuyama, 5 July: 32.9 µg/m³, 3.4× its usual 9.8Matsuyama, 6 July: 10.4 µg/m³Matsuyama, 7 July: 10.3 µg/m³Matsuyama, 8 July: 15.8 µg/m³Matsuyama, 9 July: 22.3 µg/m³Matsuyama, 10 July: 31.9 µg/m³, 3.5× its usual 9.1Matsuyama, 11 July: 23.9 µg/m³Matsuyama, 12 July: 15.0 µg/m³Matsuyama, 13 July: 10.0 µg/m³Kawachi-NaganoKawachi-Nagano, 27 June: no readingKawachi-Nagano, 28 June: 17.4 µg/m³Kawachi-Nagano, 29 June: 18.1 µg/m³Kawachi-Nagano, 30 June: 17.4 µg/m³Kawachi-Nagano, 1 July: 19.9 µg/m³Kawachi-Nagano, 2 July: 27.8 µg/m³, 3.1× its usual 9.0Kawachi-Nagano, 3 July: 36.5 µg/m³, 4.1× its usual 9.0Kawachi-Nagano, 4 July: 50.3 µg/m³, 5.7× its usual 8.9Kawachi-Nagano, 5 July: 41.8 µg/m³, 4.8× its usual 8.7Kawachi-Nagano, 6 July: 21.4 µg/m³Kawachi-Nagano, 7 July: 19.0 µg/m³Kawachi-Nagano, 8 July: 21.8 µg/m³Kawachi-Nagano, 9 July: 26.3 µg/m³, 3.0× its usual 8.8Kawachi-Nagano, 10 July: 17.2 µg/m³Kawachi-Nagano, 11 July: 8.3 µg/m³Kawachi-Nagano, 12 July: 6.8 µg/m³Kawachi-Nagano, 13 July: 6.1 µg/m³SaijōSaijō, 27 June: 12.5 µg/m³Saijō, 28 June: 19.2 µg/m³Saijō, 29 June: 17.6 µg/m³Saijō, 30 June: 18.6 µg/m³Saijō, 1 July: 18.5 µg/m³Saijō, 2 July: 32.5 µg/m³, 2.8× its usual 11.6Saijō, 3 July: 48.8 µg/m³, 4.2× its usual 11.5Saijō, 4 July: 50.2 µg/m³, 4.5× its usual 11.1Saijō, 5 July: 32.3 µg/m³, 3.0× its usual 10.9Saijō, 6 July: 13.0 µg/m³Saijō, 7 July: 11.4 µg/m³Saijō, 8 July: 16.7 µg/m³Saijō, 9 July: 22.4 µg/m³Saijō, 10 July: 28.9 µg/m³, 2.8× its usual 10.5Saijō, 11 July: 14.4 µg/m³Saijō, 12 July: 11.4 µg/m³Saijō, 13 July: 8.0 µg/m³KobayashiKobayashi, 27 June: 6.6 µg/m³Kobayashi, 28 June: 8.6 µg/m³Kobayashi, 29 June: 16.6 µg/m³Kobayashi, 30 June: 12.7 µg/m³Kobayashi, 1 July: 16.2 µg/m³Kobayashi, 2 July: 20.5 µg/m³Kobayashi, 3 July: 29.5 µg/m³, 5.1× its usual 5.8Kobayashi, 4 July: 109.0 µg/m³, 19× its usual 5.8Kobayashi, 5 July: 40.7 µg/m³, 7.0× its usual 5.8Kobayashi, 6 July: 9.2 µg/m³Kobayashi, 7 July: 10.3 µg/m³Kobayashi, 8 July: 19.9 µg/m³Kobayashi, 9 July: 18.6 µg/m³Kobayashi, 10 July: 3.4 µg/m³Kobayashi, 11 July: 2.3 µg/m³Kobayashi, 12 July: 2.7 µg/m³Kobayashi, 13 July: 4.6 µg/m³TakanabeTakanabe, 27 June: 10.6 µg/m³Takanabe, 28 June: 11.6 µg/m³Takanabe, 29 June: 13.1 µg/m³Takanabe, 30 June: 11.3 µg/m³Takanabe, 1 July: 11.6 µg/m³Takanabe, 2 July: 15.0 µg/m³Takanabe, 3 July: 21.9 µg/m³Takanabe, 4 July: 32.1 µg/m³, 4.5× its usual 7.2Takanabe, 5 July: 51.9 µg/m³, 7.2× its usual 7.2Takanabe, 6 July: 24.2 µg/m³Takanabe, 7 July: 16.6 µg/m³Takanabe, 8 July: 17.0 µg/m³Takanabe, 9 July: 19.0 µg/m³Takanabe, 10 July: 5.0 µg/m³Takanabe, 11 July: 3.0 µg/m³Takanabe, 12 July: 2.9 µg/m³Takanabe, 13 July: 2.6 µg/m³AkiAki, 27 June: 13.6 µg/m³Aki, 28 June: 19.3 µg/m³Aki, 29 June: 21.4 µg/m³Aki, 30 June: 18.0 µg/m³Aki, 1 July: 13.8 µg/m³Aki, 2 July: 15.2 µg/m³Aki, 3 July: 18.8 µg/m³Aki, 4 July: 26.7 µg/m³, 3.3× its usual 8.2Aki, 5 July: 51.0 µg/m³, 6.1× its usual 8.4Aki, 6 July: 40.5 µg/m³, 4.8× its usual 8.4Aki, 7 July: 27.5 µg/m³, 3.2× its usual 8.7Aki, 8 July: 25.3 µg/m³, 2.9× its usual 8.7Aki, 9 July: 27.8 µg/m³, 3.2× its usual 8.6Aki, 10 July: 16.7 µg/m³Aki, 11 July: 3.1 µg/m³Aki, 12 July: 4.0 µg/m³Aki, 13 July: 2.6 µg/m³ShingūShingū, 27 June: 16.0 µg/m³Shingū, 28 June: 19.2 µg/m³Shingū, 29 June: 15.8 µg/m³Shingū, 30 June: 15.3 µg/m³Shingū, 1 July: 18.4 µg/m³Shingū, 2 July: 17.7 µg/m³Shingū, 3 July: 15.1 µg/m³Shingū, 4 July: 15.7 µg/m³Shingū, 5 July: 56.8 µg/m³, 8.2× its usual 6.9Shingū, 6 July: 43.4 µg/m³, 6.3× its usual 6.9Shingū, 7 July: 25.8 µg/m³, 3.6× its usual 7.2Shingū, 8 July: 42.0 µg/m³, 5.8× its usual 7.3Shingū, 9 July: 32.0 µg/m³, 4.3× its usual 7.5Shingū, 10 July: 8.3 µg/m³Shingū, 11 July: 5.6 µg/m³Shingū, 12 July: 8.6 µg/m³Shingū, 13 July: 6.8 µg/m³FukuroiFukuroi, 27 June: 12.4 µg/m³Fukuroi, 28 June: 15.1 µg/m³Fukuroi, 29 June: 10.4 µg/m³Fukuroi, 30 June: 15.0 µg/m³Fukuroi, 1 July: 15.4 µg/m³Fukuroi, 2 July: 13.3 µg/m³Fukuroi, 3 July: 11.5 µg/m³Fukuroi, 4 July: 10.4 µg/m³Fukuroi, 5 July: 56.3 µg/m³, 6.1× its usual 9.2Fukuroi, 6 July: 34.1 µg/m³, 3.6× its usual 9.4Fukuroi, 7 July: 38.7 µg/m³, 4.1× its usual 9.4Fukuroi, 8 July: 43.3 µg/m³, 4.6× its usual 9.5Fukuroi, 9 July: 31.4 µg/m³, 3.3× its usual 9.5Fukuroi, 10 July: 4.5 µg/m³Fukuroi, 11 July: 8.2 µg/m³Fukuroi, 12 July: 7.6 µg/m³Fukuroi, 13 July: 7.3 µg/m³AridaArida, 27 June: 17.8 µg/m³Arida, 28 June: 22.1 µg/m³Arida, 29 June: 18.8 µg/m³Arida, 30 June: 14.5 µg/m³Arida, 1 July: 17.0 µg/m³Arida, 2 July: 19.8 µg/m³Arida, 3 July: 23.3 µg/m³Arida, 4 July: 22.6 µg/m³Arida, 5 July: 53.4 µg/m³, 8.0× its usual 6.7Arida, 6 July: 27.8 µg/m³, 4.1× its usual 6.7Arida, 7 July: 20.6 µg/m³Arida, 8 July: 35.9 µg/m³, 5.2× its usual 6.9Arida, 9 July: 37.0 µg/m³, 5.4× its usual 6.8Arida, 10 July: 26.5 µg/m³, 3.8× its usual 7.0Arida, 11 July: 11.6 µg/m³Arida, 12 July: 7.6 µg/m³Arida, 13 July: 6.4 µg/m³AyaseAyase, 27 June: 12.7 µg/m³Ayase, 28 June: 16.5 µg/m³Ayase, 29 June: 16.7 µg/m³Ayase, 30 June: 15.1 µg/m³Ayase, 1 July: 13.9 µg/m³Ayase, 2 July: 16.5 µg/m³Ayase, 3 July: 10.9 µg/m³Ayase, 4 July: 10.4 µg/m³Ayase, 5 July: 19.6 µg/m³Ayase, 6 July: 34.2 µg/m³, 3.2× its usual 10.8Ayase, 7 July: 59.2 µg/m³, 5.4× its usual 10.9Ayase, 8 July: 50.5 µg/m³, 4.6× its usual 11.0Ayase, 9 July: 43.4 µg/m³, 3.9× its usual 11.1Ayase, 10 July: 7.9 µg/m³Ayase, 11 July: 8.2 µg/m³Ayase, 12 July: 13.3 µg/m³Ayase, 13 July: 10.5 µg/m³TsuchiuraTsuchiura, 27 June: 9.4 µg/m³Tsuchiura, 28 June: 9.8 µg/m³Tsuchiura, 29 June: 15.4 µg/m³Tsuchiura, 30 June: 19.2 µg/m³Tsuchiura, 1 July: 15.9 µg/m³Tsuchiura, 2 July: 21.0 µg/m³Tsuchiura, 3 July: 14.8 µg/m³Tsuchiura, 4 July: 11.0 µg/m³Tsuchiura, 5 July: 22.9 µg/m³Tsuchiura, 6 July: 39.3 µg/m³, 3.5× its usual 11.1Tsuchiura, 7 July: 52.6 µg/m³, 4.7× its usual 11.2Tsuchiura, 8 July: 42.8 µg/m³, 3.8× its usual 11.4Tsuchiura, 9 July: 45.4 µg/m³, 4.0× its usual 11.4Tsuchiura, 10 July: 13.9 µg/m³Tsuchiura, 11 July: no readingTsuchiura, 12 July: 9.2 µg/m³Tsuchiura, 13 July: 12.4 µg/m³27 Jun291 Jul35791113
The 60 cities with the highest readings of 508, in the order the episode reached them, 3 days before to 3 after. Each square is a day, coloured by that day's PM2.5; outlined: at twice the city's usual or more.
Good0–50
Moderate51–100
Sensitive groups101–150
Unhealthy151–200
Very unhealthy201–300
Hazardous301+

Every city it reached

CityDaysHighestUsualAbove usual
KobayashiMiyazaki, Japan3 109.04 July5.819×
KōkaShiga, Japan5 117.09 July7.216×
YamagaKumamoto, Japan5 55.02 July5.310×
KumamotoKumamoto, Japan4 58.52 July5.99.9×
AsoKumamoto, Japan7 48.84 July3.69.8×
MifuneKumamoto, Japan5 52.62 July5.49.7×
KikuchiKumamoto, Japan5 55.92 July6.09.3×
KotōKumamoto, Japan4 56.22 July6.19.2×
IzumiKagoshima, Japan4 44.42 July4.98.9×
ShinagawaEhime, Japan5 54.54 July6.28.8×
MieOita, Japan6 61.13 July7.08.7×
HonmachiKumamoto, Japan4 55.82 July6.58.6×
ŌzuKumamoto, Japan7 52.02 July6.18.5×
ShingūWakayama, Japan5 56.85 July6.98.2×
UtoKumamoto, Japan2 52.52 July6.48.2×
AridaWakayama, Japan5 53.45 July6.78.0×
Uekimachi-mōnoKumamoto, Japan4 47.12 July6.07.9×
ShintomiMiyazaki, Japan2 50.15 July6.57.7×
SaikiOita, Japan5 60.44 July7.97.6×
MinamataKumamoto, Japan4 57.12 July7.57.6×
KumanoMie, Japan4 49.25 July6.57.6×
YameFukuoka, Japan4 41.41 July5.67.4×
HiragiKagawa, Japan4 59.54 July8.27.3×
TakanabeMiyazaki, Japan2 51.95 July7.27.2×
ŌitaOita, Japan6 57.83 July8.17.1×
OwaseMie, Japan4 49.45 July7.07.1×
HitoyoshiKumamoto, Japan6 44.22 July6.27.1×
SendaiKagoshima, Japan3 41.12 July5.87.1×
TobaMie, Japan4 48.65 July6.97.0×
TakinomiyaKagawa, Japan4 50.04 July7.46.8×
ShimaMie, Japan5 47.88 July7.16.7×
UkihaFukuoka, Japan4 43.13 July6.46.7×
OnoFukui, Japan5 54.52 July8.36.6×
YaeHiroshima, Japan5 52.24 July7.96.6×
TateyamaChiba, Japan3 46.57 July7.06.6×
Tanushimarumachi-toyokiFukuoka, Japan6 44.63 July6.86.6×
TamanaKumamoto, Japan4 43.22 July6.56.6×
KatsuuraChiba, Japan3 40.17 July6.16.6×
TōganeChiba, Japan3 37.76 July5.76.6×
AnanTokushima, Japan9 66.85 July10.36.5×
NankokuKochi, Japan3 47.85 July7.36.5×
SayamaOsaka, Japan4 46.84 July7.26.5×
MiyazakiMiyazaki, Japan2 40.35 July6.26.5×
MaizuruKyoto, Japan5 52.02 July8.16.4×
KurumeFukuoka, Japan4 33.22 July5.26.4×
TakamatsuKagawa, Japan5 49.24 July7.86.3×
MiuraKanagawa, Japan3 46.37 July7.36.3×
GobōWakayama, Japan5 45.85 July7.36.3×
UwajimaEhime, Japan5 43.84 July6.96.3×
YokoshibaChiba, Japan3 37.67 July6.06.3×
YanagawaFukuoka, Japan2 31.61 July3.96.3×
YachiyoChiba, Japan6 53.57 July8.66.2×
IzumiOsaka, Japan5 50.44 July8.16.2×
IseMie, Japan4 46.15 July7.46.2×
KushikinoKagoshima, Japan1 39.12 July6.36.2×
FukuroiShizuoka, Japan5 56.35 July9.26.1×
TakahashiOkayama, Japan6 52.44 July8.66.1×
AkiKochi, Japan6 51.05 July8.46.1×
JōsōIbaraki, Japan4 49.67 July8.16.1×
KikugawaShizuoka, Japan5 46.08 July7.66.1×
KosaiShizuoka, Japan5 44.25 July7.26.1×
MobaraChiba, Japan4 41.06 July6.76.1×
IbiGifu, Japan3 36.09 July5.96.1×
KagoshimaKagoshima, Japan2 34.12 July5.66.1×
IkedachōTokushima, Japan5 60.74 July10.26.0×
ZentsujichóKagawa, Japan4 59.54 July9.96.0×
NiimiOkayama, Japan5 51.94 July8.66.0×
TsukumiuraOita, Japan4 48.43 July8.16.0×
MinamichitaAichi, Japan4 40.58 July6.86.0×
TakashimaShiga, Japan7 56.32 July9.65.9×
SabaeFukui, Japan4 52.62 July8.95.9×
TsurusakiOita, Japan5 50.83 July8.65.9×
TondabayashichōOsaka, Japan5 44.34 July7.55.9×
HitaOita, Japan7 50.93 July8.85.8×
TokushimaTokushima, Japan4 47.25 July8.25.8×
ShimodaShizuoka, Japan4 45.27 July7.85.8×
FujisawaKanagawa, Japan4 44.77 July7.75.8×
IsahayaNagasaki, Japan3 30.51 July5.35.8×
Kawachi-NaganoOsaka, Japan5 50.34 July8.95.7×
NakamuraKochi, Japan3 47.05 July8.25.7×
EbinaKanagawa, Japan3 44.07 July7.75.7×
ŌamiChiba, Japan1 43.66 July7.75.7×
YawatahamaEhime, Japan6 42.74 July7.55.7×
YokosukaKanagawa, Japan3 42.07 July7.45.7×
TanabeWakayama, Japan2 41.19 July7.25.7×
SōsaChiba, Japan3 39.36 July6.95.7×
SodegauraChiba, Japan4 36.27 July6.35.7×
TsuyamaOkayama, Japan7 50.94 July9.15.6×
Kashihara-shiNara, Japan6 50.64 July9.05.6×
TamanoOkayama, Japan5 49.54 July8.95.6×
IgaMie, Japan7 48.25 July8.65.6×
KainanWakayama, Japan4 47.85 July8.55.6×
TakarazukaHyōgo, Japan6 46.95 July8.45.6×
BeppuOita, Japan5 46.63 July8.35.6×
AtamiShizuoka, Japan3 46.38 July8.35.6×
KamakuraKanagawa, Japan4 46.27 July8.25.6×
ChikugoFukuoka, Japan4 45.52 July8.15.6×
TenriNara, Japan5 45.04 July8.15.6×
KirishimaKagoshima, Japan4 32.62 July5.85.6×
NagahamaShiga, Japan8 58.22 July10.55.5×
GionHiroshima, Japan5 55.43 July10.05.5×
AyabeKyoto, Japan6 52.42 July9.65.5×
MatsusakaMie, Japan6 48.75 July8.85.5×
HyūgaMiyazaki, Japan4 48.05 July8.85.5×
InoKochi, Japan3 47.55 July8.75.5×
MiyoshiHiroshima, Japan4 45.04 July8.25.5×
KitahamaShiga, Japan6 44.35 July8.05.5×
TsuMie, Japan3 44.35 July8.15.5×
KakegawaShizuoka, Japan5 44.08 July8.05.5×
KurihamaKanagawa, Japan3 43.87 July7.95.5×
UsukiOita, Japan5 43.74 July8.05.5×
UrayasuChiba, Japan4 43.37 July7.95.5×
YaoOsaka, Japan5 43.04 July7.85.5×
MinamibōsōChiba, Japan3 40.57 July7.45.5×
KimitsuChiba, Japan3 40.27 July7.35.5×
HamakitaShizuoka, Japan4 38.25 July6.95.5×
AyaseKanagawa, Japan4 59.27 July10.95.4×
Shin’ichiHiroshima, Japan5 56.54 July10.55.4×
HigashihiroshimaHiroshima, Japan5 54.53 July10.15.4×
KashiwaraNara, Japan7 50.84 July9.45.4×
IkomaNara, Japan7 49.24 July9.15.4×
NantanKyoto, Japan5 49.05 July9.05.4×
NobeokaMiyazaki, Japan3 46.15 July8.55.4×
Ueno-ebisumachiMie, Japan6 45.85 July8.55.4×
HabikinoOsaka, Japan5 44.64 July8.25.4×
ShizuokaShizuoka, Japan4 41.88 July7.75.4×
YachimataChiba, Japan4 41.26 July7.65.4×
HokotaIbaraki, Japan4 41.27 July7.75.4×
MatsudoChiba, Japan4 40.57 July7.55.4×
ŌmutaFukuoka, Japan4 38.32 July7.15.4×
NagasakiNagasaki, Japan2 30.62 July5.75.4×
OgōriFukuoka, Japan4 30.02 July5.65.4×
MarugameKagawa, Japan4 53.54 July10.15.3×
NakaIbaraki, Japan4 49.07 July9.35.3×
ChigasakiKanagawa, Japan4 48.97 July9.25.3×
KameokaKyoto, Japan6 47.05 July8.95.3×
Nara-shiNara, Japan5 45.94 July8.65.3×
TsurugaFukui, Japan5 44.12 July8.35.3×
FujiedaShizuoka, Japan5 43.58 July8.25.3×
HiratsukaKanagawa, Japan3 43.07 July8.15.3×
ShimadaShizuoka, Japan5 40.98 July7.75.3×
TorideIbaraki, Japan4 39.77 July7.55.3×
HamamatsuShizuoka, Japan4 39.65 July7.55.3×
KisarazuChiba, Japan4 38.47 July7.35.3×
NonoichiIshikawa, Japan3 37.93 July7.25.3×
Kanzakimachi-kanzakiSaga, Japan3 32.31 July6.15.3×
BuzenFukuoka, Japan4 32.03 July6.05.3×
ObitaNagasaki, Japan3 31.31 July5.95.3×
ŌmuraNagasaki, Japan3 30.51 July5.85.3×
OnomichiHiroshima, Japan6 58.73 July11.35.2×
SōjaOkayama, Japan5 51.44 July9.95.2×
ImabariEhime, Japan6 50.94 July9.85.2×
ObamaFukui, Japan4 50.52 July9.85.2×
MiyazuKyoto, Japan3 49.72 July9.65.2×
Fukui-shiFukui, Japan3 49.42 July9.55.2×
Kamojimachō-jōgejimaTokushima, Japan5 46.75 July8.95.2×
KizugawaKyoto, Japan5 43.44 July8.45.2×
IshiokaIbaraki, Japan4 42.27 July8.15.2×
YamatoKanagawa, Japan3 42.27 July8.15.2×
NumazuShizuoka, Japan5 41.88 July8.15.2×
ŌmihachimanShiga, Japan5 39.25 July7.55.2×
MiyakonojōMiyazaki, Japan2 38.34 July7.45.2×
AjikiChiba, Japan4 37.67 July7.35.2×
KasugaFukuoka, Japan2 28.02 July5.45.2×
OkayamaOkayama, Japan5 49.54 July9.85.1×
IwataShizuoka, Japan5 48.25 July9.45.1×
AsakuchiOkayama, Japan5 44.24 July8.65.1×
JōyōKyoto, Japan5 43.14 July8.55.1×
NabariMie, Japan6 42.54 July8.35.1×
SakuraChiba, Japan4 41.17 July8.15.1×
Hitachi-NakaIbaraki, Japan4 39.67 July7.85.1×
IchiharaChiba, Japan4 38.17 July7.45.1×
AraoKumamoto, Japan4 35.61 July7.05.1×
Ureshinomachi-shimojukuSaga, Japan1 27.31 July5.45.1×
NiihamaEhime, Japan5 55.84 July11.25.0×
Kan’onjichōKagawa, Japan4 54.03 July10.75.0×
FukuyamaHiroshima, Japan6 52.74 July10.55.0×
YoukaichiShiga, Japan8 46.35 July9.35.0×
YokohamaKanagawa, Japan4 43.27 July8.75.0×
HōryūjiNara, Japan5 43.14 July8.65.0×
AzaminoKanagawa, Japan3 43.07 July8.65.0×
OdawaraKanagawa, Japan3 42.97 July8.55.0×
SakaiOsaka, Japan5 42.84 July8.65.0×
KameyamaMie, Japan3 42.55 July8.55.0×
NodaChiba, Japan4 42.07 July8.45.0×
ShidoKagawa, Japan6 41.24 July8.25.0×
ToyonakaOsaka, Japan6 40.85 July8.15.0×
SaikūMie, Japan4 40.85 July8.15.0×
InashikiIbaraki, Japan4 40.17 July8.15.0×
KamagayaChiba, Japan4 39.67 July8.05.0×
SennanOsaka, Japan5 38.25 July7.65.0×
ToyohashiAichi, Japan4 36.67 July7.35.0×
OmigawaChiba, Japan3 33.87 July6.85.0×
MimaTokushima, Japan5 55.13 July11.24.9×
ShikokuchūōEhime, Japan5 54.44 July11.04.9×
MiharaHiroshima, Japan5 48.03 July9.84.9×
SusakiKochi, Japan3 45.65 July9.44.9×
OnoHyōgo, Japan6 44.74 July9.14.9×
SugaiKyoto, Japan5 42.04 July8.54.9×
Hondomachi-hondoKumamoto, Japan2 41.92 July8.54.9×
KinokawaWakayama, Japan5 41.75 July8.54.9×
HanyūSaitama, Japan3 41.47 July8.44.9×
KoshigayaSaitama, Japan3 40.47 July8.24.9×
NarashinoChiba, Japan4 39.77 July8.14.9×
FujiShizuoka, Japan4 39.58 July8.14.9×
NaritaChiba, Japan4 39.37 July8.04.9×
IzumisanoOsaka, Japan5 39.25 July8.04.9×
KashiwaChiba, Japan4 38.87 July8.04.9×
KaizuGifu, Japan5 38.69 July7.84.9×
KasukabeSaitama, Japan3 37.97 July7.84.9×
YotsukaidōChiba, Japan4 37.17 July7.54.9×
ŌgakiGifu, Japan5 37.02 July7.64.9×
HitachiIbaraki, Japan3 36.97 July7.64.9×
SawaraChiba, Japan4 35.66 July7.34.9×
IizukaFukuoka, Japan5 32.63 July6.64.9×
SumotoHyōgo, Japan3 30.35 July6.24.9×
MatsuyamaEhime, Japan5 50.33 July10.44.8×
TakeharaHiroshima, Japan5 48.33 July10.14.8×
HiroshimaHiroshima, Japan5 48.13 July10.14.8×
KurashikiOkayama, Japan5 46.64 July9.84.8×
YoshinogawaTokushima, Japan5 45.73 July9.64.8×
Shimo-tsumaIbaraki, Japan4 45.47 July9.44.8×
IyoEhime, Japan5 43.14 July8.94.8×
IkarugaHyōgo, Japan6 41.75 July8.64.8×
NakatsuOita, Japan7 41.54 July8.74.8×
Misato, SaitamaSaitama, Japan4 41.27 July8.64.8×
ChibaChiba, Japan4 39.97 July8.44.8×
YanaiYamaguchi, Japan3 37.83 July7.94.8×
KanazawaIshikawa, Japan3 36.63 July7.74.8×
KudamatsuYamaguchi, Japan3 36.63 July7.74.8×
YonoOsaka, Japan4 36.15 July7.64.8×
TsuchiuraIbaraki, Japan4 52.67 July11.24.7×
KochiKochi, Japan3 47.95 July10.24.7×
SandachōHyōgo, Japan7 46.64 July10.04.7×
KōnosuSaitama, Japan3 44.27 July9.44.7×
MinatoWakayama, Japan3 44.05 July9.34.7×
Narutochō-mitsuishiTokushima, Japan6 42.55 July9.04.7×
MachidaTokyo, Japan3 42.17 July9.04.7×
KawaguchiSaitama, Japan3 42.17 July9.04.7×
SōkaSaitama, Japan4 40.97 July8.74.7×
HadanoKanagawa, Japan3 40.98 July8.74.7×
FujinomiyaShizuoka, Japan4 40.38 July8.54.7×
NoboritoKanagawa, Japan3 40.37 July8.64.7×
MatsutōIshikawa, Japan3 40.03 July8.64.7×
AkashiHyōgo, Japan5 38.85 July8.34.7×
InzaiChiba, Japan4 36.97 July7.94.7×
MinamiashigaraKanagawa, Japan3 36.97 July7.84.7×
HikariYamaguchi, Japan3 34.03 July7.24.7×
ŌharaChiba, Japan3 33.37 July7.14.7×
YamaguchiYamaguchi, Japan6 30.810 July6.54.7×
KogaIbaraki, Japan3 30.87 July6.64.7×
WakasugiFukuoka, Japan3 30.02 July6.44.7×
NōgataFukuoka, Japan1 27.210 July5.84.7×
KureHiroshima, Japan6 50.73 July11.14.6×
TatsunoHyōgo, Japan6 45.54 July10.04.6×
HigashinozoeHyōgo, Japan6 43.53 July9.54.6×
TokyoTokyo, Japan4 41.67 July9.04.6×
KukichūōSaitama, Japan3 41.57 July9.14.6×
InabeMie, Japan6 41.45 July9.04.6×
BandōIbaraki, Japan3 41.37 July8.94.6×
Kashima-shiIbaraki, Japan4 40.17 July8.74.6×
KusatsuShiga, Japan6 39.52 July8.64.6×
NishinomiyaHyōgo, Japan7 39.05 July8.54.6×
NishiwakiHyōgo, Japan5 37.02 July8.14.6×
KariyaAichi, Japan4 36.99 July8.04.6×
KobeHyōgo, Japan6 35.35 July7.74.6×
NisshinAichi, Japan4 33.99 July7.44.6×
SaijōEhime, Japan5 50.24 July11.14.5×
FukuchiyamaKyoto, Japan6 45.72 July10.14.5×
IwakuniYamaguchi, Japan5 42.23 July9.34.5×
HigashiosakaOsaka, Japan6 41.54 July9.24.5×
AtsugiKanagawa, Japan3 40.87 July9.04.5×
KomatsuIshikawa, Japan3 40.53 July9.04.5×
ShūnanYamaguchi, Japan5 40.43 July9.04.5×
KagaIshikawa, Japan3 40.22 July8.94.5×
KishiwadaOsaka, Japan6 39.84 July8.84.5×
SaitamaSaitama, Japan3 38.47 July8.64.5×
UjiKyoto, Japan5 38.32 July8.64.5×
ŌtsuShiga, Japan5 38.12 July8.54.5×
KakamigaharaGifu, Japan5 37.29 July8.24.5×
KyōtangoKyoto, Japan2 36.12 July8.04.5×
TokonameAichi, Japan3 35.28 July7.84.5×
HōfuYamaguchi, Japan5 34.83 July7.74.5×
KaminomaAichi, Japan3 34.88 July7.74.5×
TagawaFukuoka, Japan6 32.03 July7.14.5×
UbeYamaguchi, Japan2 30.010 July6.64.5×
KashimaSaga, Japan2 28.51 July6.34.5×
SagaSaga, Japan3 27.61 July6.14.5×
TakuSaga, Japan1 26.51 July5.94.5×
KasaokaOkayama, Japan6 54.14 July12.24.4×
MinamirinkanKanagawa, Japan4 45.77 July10.34.4×
MikuniFukui, Japan3 42.42 July9.64.4×
TaharaAichi, Japan5 40.99 July9.24.4×
TonamiToyama, Japan3 40.03 July9.14.4×
KuwanaMie, Japan6 39.29 July8.94.4×
GamagōriAichi, Japan4 35.59 July8.04.4×
TakatsukiOsaka, Japan4 32.22 July7.44.4×
OyabeToyama, Japan3 31.63 July7.24.4×
ShinshiroAichi, Japan2 28.77 July6.54.4×
NichinanMiyazaki, Japan1 28.55 July6.54.4×
YukuhashiFukuoka, Japan5 28.310 July6.44.4×
BizenOkayama, Japan7 48.84 July11.44.3×
IwadeWakayama, Japan8 44.05 July10.34.3×
Higashi-MatsuyamaSaitama, Japan3 42.38 July9.94.3×
Kakogawachō-honmachiHyōgo, Japan5 41.94 July9.74.3×
AsakaSaitama, Japan3 41.57 July9.64.3×
KōtariKyoto, Japan6 39.22 July9.24.3×
MitoIbaraki, Japan4 39.17 July9.04.3×
YokkaichiMie, Japan5 38.69 July9.04.3×
IchinomiyaAichi, Japan4 37.59 July8.84.3×
HashimaGifu, Japan4 37.59 July8.84.3×
ŌtaGunma, Japan3 37.57 July8.84.3×
AmaAichi, Japan6 36.19 July8.44.3×
NishioAichi, Japan4 32.39 July7.64.3×
TosuSaga, Japan1 25.52 July5.94.3×
AgeoSaitama, Japan3 43.07 July10.34.2×
Sakai-nakajimaGunma, Japan3 42.17 July10.04.2×
AioiHyōgo, Japan6 41.65 July10.04.2×
ŌtakeHiroshima, Japan5 40.83 July9.84.2×
NiizaSaitama, Japan3 40.87 July9.74.2×
KyotoKyoto, Japan6 39.62 July9.44.2×
HigashikurumeTokyo, Japan2 39.57 July9.54.2×
OkazakiAichi, Japan4 36.79 July8.74.2×
YasugichōShimane, Japan2 32.01 July7.74.2×
KitakyushuFukuoka, Japan3 30.110 July7.14.2×
HigashigōSaga, Japan2 27.71 July6.64.2×
NakamaFukuoka, Japan2 27.610 July6.54.2×
UozuToyama, Japan4 43.83 July10.74.1×
MenumaSaitama, Japan3 43.87 July10.64.1×
KariyaHyōgo, Japan5 41.89 July10.14.1×
ChikuseiIbaraki, Japan3 41.89 July10.24.1×
KodairaTokyo, Japan3 41.07 July10.14.1×
KamisuIbaraki, Japan4 40.08 July9.84.1×
YawataKyoto, Japan5 38.92 July9.44.1×
MookaTochigi, Japan3 38.29 July9.44.1×
ToyookaHyōgo, Japan3 37.12 July9.14.1×
NagoyaAichi, Japan4 36.99 July9.14.1×
KumagayaSaitama, Japan3 36.97 July9.14.1×
OsakaOsaka, Japan6 35.65 July8.74.1×
HirakataOsaka, Japan5 35.52 July8.64.1×
SuzukaMie, Japan3 35.35 July8.64.1×
ChiryūAichi, Japan4 35.09 July8.54.1×
HandaAichi, Japan4 34.49 July8.34.1×
ToyotaAichi, Japan4 33.99 July8.24.1×
IzunokuniShizuoka, Japan4 33.18 July8.04.1×
AnjōAichi, Japan4 32.19 July7.84.1×
ShimonosekiYamaguchi, Japan2 28.610 July6.94.1×
OyamaTochigi, Japan3 43.67 July10.84.0×
GifuGifu, Japan5 40.29 July10.04.0×
FuchūTokyo, Japan3 40.08 July10.14.0×
KawagoeSaitama, Japan3 38.28 July9.64.0×
UtsunomiyaTochigi, Japan3 37.79 July9.54.0×
KasamaIbaraki, Japan4 37.27 July9.44.0×
SayamaSaitama, Japan3 37.08 July9.24.0×
HimejiHyōgo, Japan5 35.34 July8.84.0×
KunisakiOita, Japan2 35.33 July8.94.0×
TsubataIshikawa, Japan3 33.63 July8.44.0×
HitachiomiyaIbaraki, Japan3 31.89 July8.04.0×
MineYamaguchi, Japan4 30.91 July7.74.0×
YonagoTottori, Japan1 30.11 July7.64.0×
TogitsuNagasaki, Japan1 27.42 July6.84.0×
AiharaKanagawa, Japan3 44.88 July11.53.9×
HachiōjiTokyo, Japan2 42.68 July10.93.9×
SanoTochigi, Japan3 42.37 July10.83.9×
MinawaKanagawa, Japan3 41.48 July10.63.9×
AkishimaTokyo, Japan3 40.88 July10.53.9×
SakadoSaitama, Japan3 39.28 July10.03.9×
TokorozawaSaitama, Japan2 39.18 July10.03.9×
KaminokawaTochigi, Japan3 37.69 July9.63.9×
HigashimurayamaTokyo, Japan2 37.37 July9.53.9×
MizuhoGifu, Japan4 35.52 July9.23.9×
TōkaiAichi, Japan4 34.39 July8.83.9×
TakaokaToyama, Japan3 34.03 July8.83.9×
TajimiGifu, Japan4 33.29 July8.53.9×
SetoAichi, Japan4 32.79 July8.33.9×
OnodaYamaguchi, Japan1 29.010 July7.43.9×
MorohongōSaitama, Japan3 40.18 July10.63.8×
Tottori-shiTottori, Japan5 39.74 July10.53.8×
AshikagaTochigi, Japan3 38.17 July10.03.8×
AmagasakiHyōgo, Japan6 36.55 July9.63.8×
ShinjōYamagata, Japan2 35.63 July9.33.8×
KandaFukuoka, Japan5 29.310 July7.83.8×
HekinanAichi, Japan2 29.09 July7.73.8×
NasushiobaraTochigi, Japan1 28.09 July7.33.8×
SaseboNagasaki, Japan1 25.52 July6.73.8×
GyōdaSaitama, Japan3 43.57 July11.73.7×
ŌmeTokyo, Japan3 42.38 July11.33.7×
TatebayashiGunma, Japan3 41.47 July11.23.7×
GotembaShizuoka, Japan4 37.38 July10.03.7×
IgusaSaitama, Japan3 36.98 July10.03.7×
HannōSaitama, Japan3 36.38 July9.93.7×
ShirakawaFukushima, Japan2 35.59 July9.63.7×
OgawamachiSaitama, Japan3 33.78 July9.13.7×
SekimachiGifu, Japan4 33.09 July9.03.7×
TochigiTochigi, Japan3 33.07 July8.93.7×
KitaibarakiIbaraki, Japan4 30.98 July8.43.7×
HashimotoWakayama, Japan1 29.29 July7.93.7×
NagatoYamaguchi, Japan1 26.24 July7.13.7×
ItoshimaFukuoka, Japan1 25.12 July6.83.7×
YufuOita, Japan4 44.73 July12.53.6×

Daily means in µg/m³, over the days each city counted in this episode. Highest: its highest of those days. Usual: the city's median for the time of year of that day (its days within 21 days of the date, every year, leaving out the week around it). Above usual: its highest day against that, with a usual under 5 µg/m³ taken as 5.

Against other episodes in Japan and South Korea

The largest of 94 episodes in Japan and South Korea since our records began, by cities reached.

Bars: cities reached; colour: the level of the episode's highest daily reading. All 94.

Use this page

SmogRank, Japan and South Korea, June and July 2025: 508 cities with PM2.5 at twice their usual or more, 30 June to 10 July 2025, smogrank.com/episodes/2025-06-japan-and-south-korea (accessed 4 October 2026).

Download top 10 (PNG)

You're welcome to reuse a single chart, image or figure with this citation and a link. Terms.

An episode is a run of days when many cities close to each other (four or more within 350 km on a day, 8 or more in all) each had a daily PM2.5 mean of at least 25 µg/m³ and at least 2 times their usual for that time of year. Found in our own measurements, not picked by hand. How we find episodes. Values are each city's daily mean of its own monitors; causes are the usual kinds for a pattern like this, not a confirmed source.