SmogRank / Countries / Japan / June 2026
Most polluted cities in Japan, June 2026
537 cities in Japan ranked by their average PM2.5 over the 30 days. Worst: Onomichi at 12.1 µg/m³, #265 of 1,918 cities in the world. Cleanest: Namerikawa at 3.5. A city needs measurements on 70% of the days to be ranked.
- 1OnomichiHiroshima 12.1
- 2Shin’ichiHiroshima 11.0
- 3FukuyamaHiroshima 10.9
- 3SaijōEhime 10.9
- 5OwariasahiAichi 10.8
- 6NiihamaEhime 10.7
- 7BizenOkayama 10.4
- 8KureHiroshima 10.2
- 9ŌtakeHiroshima 10.1
- 10IshinomakiMiyagi 10.0
- 11IwakuniYamaguchi 9.9
- 11NantanKyoto 9.9
- 13TokiGifu 9.8
- 13KurashikiOkayama 9.8
- 15ToyamaToyama 9.6
- 15KasaokaOkayama 9.6
- 15ItoigawaNiigata 9.6
- 18NyūzenToyama 9.5
- 18KaniGifu 9.5
- 18ShikokuchūōEhime 9.5
- 21TakeharaHiroshima 9.4
- 21HiroshimaHiroshima 9.4
- 21HigashihiroshimaHiroshima 9.4
- 24MiharaHiroshima 9.3
- 24KamisuIbaraki 9.3
- 24KinokawaWakayama 9.3
- 27OnodaYamaguchi 9.2
- 27MarugameKagawa 9.2
- 27ImabariEhime 9.2
- 27NagaiYamagata 9.2
- 31TamanoOkayama 9.1
- 31MatsuyamaEhime 9.1
- 31HachinoheAomori 9.1
- 34TenriNara 9.0
- 34MinatoWakayama 9.0
- 34Kan’onjichōKagawa 9.0
- 34HimimachiToyama 9.0
- 34HekinanAichi 9.0
- 34ShūnanYamaguchi 9.0
- 40TaharaAichi 8.9
- 40SusakiKochi 8.9
- 40Shimo-tsumaIbaraki 8.9
- 40HitaOita 8.9
- 40ChikugoFukuoka 8.9
- 40AsakuchiOkayama 8.9
- 46ZentsujichóKagawa 8.8
- 46TsuruokaYamagata 8.8
- 46TakamatsuKagawa 8.8
- 46SōjaOkayama 8.8
- 46Kakogawachō-honmachiHyōgo 8.8
- 46HōryūjiNara 8.8
- 46WakuyaMiyagi 8.8
- 53Tottori-shiTottori 8.7
- 53Maebaru-chūōFukuoka 8.7
- 53IwadeWakayama 8.7
- 53KogaFukuoka 8.7
- 53AraoKumamoto 8.7
- 53TōkaiAichi 8.7
- 59TsubataIshikawa 8.6
- 59KandaFukuoka 8.6
- 59IwataShizuoka 8.6
- 59InuyamaAichi 8.6
- 59IkedachōTokushima 8.6
- 59Hondomachi-hondoKumamoto 8.6
- 59GionHiroshima 8.6
- 59SagaeYamagata 8.6
- 59JōetsuNiigata 8.6
- 59HyūgaMiyazaki 8.6
- 69YanaiYamaguchi 8.5
- 69TsuyamaOkayama 8.5
- 69TomiokaGunma 8.5
- 69TajimiGifu 8.5
- 69ShibukawaGunma 8.5
- 69MinamirinkanKanagawa 8.5
- 69KudamatsuYamaguchi 8.5
- 69KitakyushuFukuoka 8.5
- 69AmagasakiHyōgo 8.5
- 69ImizuToyama 8.5
- 69InabeMie 8.5
- 80TokonameAichi 8.4
- 80NagoyaAichi 8.4
- 80KashiwaraNara 8.4
- 80KariyaAichi 8.4
- 80IzumoShimane 8.4
- 80HigashiosakaOsaka 8.4
- 80GifuGifu 8.4
- 80Fukui-shiFukui 8.4
- 80FukuchiyamaKyoto 8.4
- 80ChitoseHokkaido 8.4
- 80AyaseKanagawa 8.4
- 91SetoAichi 8.3
- 91SakataYamagata 8.3
- 91ŌmutaFukuoka 8.3
- 91OkazakiAichi 8.3
- 91OkayamaOkayama 8.3
- 91KurayoshiTottori 8.3
- 91KiryūGunma 8.3
- 91BeppuOita 8.3
- 91IyoEhime 8.3
- 100ToyotaAichi 8.2
- 100TakayamaGifu 8.2
- 100TakaokaToyama 8.2
- 100TakahashiOkayama 8.2
- 100ShimonosekiYamaguchi 8.2
- 100InoKochi 8.2
- 100ChiryūAichi 8.2
- 100AshikagaTochigi 8.2
- 100AkiKochi 8.2
- 100AsakaSaitama 8.2
- 100ShiroishiMiyagi 8.2
- 100IwanumaMiyagi 8.2
- 100MatsusakaMie 8.2
- 100MizuhoGifu 8.2
- 114YokkaichiMie 8.1
- 114TogitsuNagasaki 8.1
- 114Tanushimarumachi-toyokiFukuoka 8.1
- 114ShidoKagawa 8.1
- 114SekimachiGifu 8.1
- 114HigashinozoeHyōgo 8.1
- 114NishiwakiHyōgo 8.1
- 114NakamuraKochi 8.1
- 114MikuniFukui 8.1
- 114HagiYamaguchi 8.1
- 114FukuroiShizuoka 8.1
- 114OgaAkita 8.1
- 114HashimaGifu 8.1
- 114HiragiKagawa 8.1
- 114KuwanaMie 8.1
- 129YawataKyoto 8.0
- 129YaeHiroshima 8.0
- 129Narutochō-mitsuishiTokushima 8.0
- 129MatsutōIshikawa 8.0
- 129KyotoKyoto 8.0
- 129KochiKochi 8.0
- 129FukuokaFukuoka 8.0
- 129AioiHyōgo 8.0
- 129HikariYamaguchi 8.0
- 129ŌdateAkita 8.0
- 129MuroranHokkaido 8.0
- 129TonamiToyama 8.0
- 129MinokamoGifu 8.0
- 129HigashigōSaga 8.0
- 129ShonaiYamagata 8.0
- 144UozuToyama 7.9
- 144UbeYamaguchi 7.9
- 144TakatsukiOsaka 7.9
- 144TakanabeMiyazaki 7.9
- 144SuzukaMie 7.9
- 144NagahamaShiga 7.9
- 144MiyoshiHiroshima 7.9
- 144KofuYamanashi 7.9
- 144Kashima-shiIbaraki 7.9
- 144KainanWakayama 7.9
- 144IbiGifu 7.9
- 144HandaAichi 7.9
- 144HachiōjiTokyo 7.9
- 144KariyaHyōgo 7.9
- 144AiharaKanagawa 7.9
- 144MinawaKanagawa 7.9
- 144Natori-shiMiyagi 7.9
- 144KakudaMiyagi 7.9
- 144TakashimaShiga 7.9
- 144NisshinAichi 7.9
- 144MimaTokushima 7.9
- 165Ueno-ebisumachiMie 7.8
- 165TatebayashiGunma 7.8
- 165Ōyanomachi-noboritateKumamoto 7.8
- 165MenumaSaitama 7.8
- 165MasudaShimane 7.8
- 165KishiwadaOsaka 7.8
- 165KashimaSaga 7.8
- 165Imarichō-kōSaga 7.8
- 165HōfuYamaguchi 7.8
- 165HakuiIshikawa 7.8
- 165GyōdaSaitama 7.8
- 165AomoriAomori 7.8
- 165NiizaSaitama 7.8
- 165KagaIshikawa 7.8
- 165Kawachi-NaganoOsaka 7.8
- 165MineYamaguchi 7.8
- 181ShibataNiigata 7.7
- 181SaseboNagasaki 7.7
- 181SakaiOsaka 7.7
- 181SaikūMie 7.7
- 181SagaSaga 7.7
- 181OsakaOsaka 7.7
- 181OnoHyōgo 7.7
- 181Nara-shiNara 7.7
- 181KomatsuIshikawa 7.7
- 181KameyamaMie 7.7
- 181KakamigaharaGifu 7.7
- 181IzumiOsaka 7.7
- 181IkarugaHyōgo 7.7
- 181FujiShizuoka 7.7
- 181AnanTokushima 7.7
- 181YoshiokaMiyagi 7.7
- 181ShinjōYamagata 7.7
- 181HirosakiAomori 7.7
- 181MatsuuraNagasaki 7.7
- 181SōmaFukushima 7.7
- 181IgaMie 7.7
- 202YoriiSaitama 7.6
- 202TsurusakiOita 7.6
- 202TakinomiyaKagawa 7.6
- 202SabaeFukui 7.6
- 202ŌtsuShiga 7.6
- 202Ōdachō-ōdaShimane 7.6
- 202NabariMie 7.6
- 202KōtariKyoto 7.6
- 202Kashihara-shiNara 7.6
- 202Kamojimachō-jōgejimaTokushima 7.6
- 202IseMie 7.6
- 202GamagōriAichi 7.6
- 202TsuchiuraIbaraki 7.6
- 202IrumaSaitama 7.6
- 202AmaAichi 7.6
- 217AkashiHyōgo 7.5
- 217HonmachiKumamoto 7.5
- 217SandachōHyōgo 7.5
- 217ŌitaOita 7.5
- 217NanaoIshikawa 7.5
- 217NakanojōGunma 7.5
- 217Kameda-honchōNiigata 7.5
- 217KagoshimaKagoshima 7.5
- 217IzumisanoOsaka 7.5
- 217HimejiHyōgo 7.5
- 217AyabeKyoto 7.5
- 217KodairaTokyo 7.5
- 217TatsunoHyōgo 7.5
- 217GotōNagasaki 7.5
- 231YokohamaKanagawa 7.4
- 231TakeoSaga 7.4
- 231Sakai-nakajimaGunma 7.4
- 231ŌmuraNagasaki 7.4
- 231NishinomiyaHyōgo 7.4
- 231NiimiOkayama 7.4
- 231MiyakonojōMiyazaki 7.4
- 231Kodamachō-kodamaminamiSaitama 7.4
- 231IkomaNara 7.4
- 231IizukaFukuoka 7.4
- 231IgusaSaitama 7.4
- 231IchinomiyaAichi 7.4
- 231HikoneShiga 7.4
- 231ChigasakiKanagawa 7.4
- 231NakaIbaraki 7.4
- 231HigashineYamagata 7.4
- 231TakuSaga 7.4
- 231UnnanShimane 7.4
- 249TsuMie 7.3
- 249ToyookaHyōgo 7.3
- 249TobaMie 7.3
- 249ShinshiroAichi 7.3
- 249ShimadaShizuoka 7.3
- 249SakadoSaitama 7.3
- 249ObitaNagasaki 7.3
- 249MorohongōSaitama 7.3
- 249KushikinoKagoshima 7.3
- 249Kanzakimachi-kanzakiSaga 7.3
- 249KameokaKyoto 7.3
- 249IidaNagano 7.3
- 249HonjōSaitama 7.3
- 249GōtsuchōShimane 7.3
- 249YonezawaYamagata 7.3
- 249Higashi-MatsuyamaSaitama 7.3
- 249YoshinogawaTokushima 7.3
- 249FuefukiYamanashi 7.3
- 267ShingūWakayama 7.2
- 267YokotaTokyo 7.2
- 267UjiKyoto 7.2
- 267ShizuokaShizuoka 7.2
- 267ObamaFukui 7.2
- 267NobeokaMiyazaki 7.2
- 267MaizuruKyoto 7.2
- 267KurihamaKanagawa 7.2
- 267KukichūōSaitama 7.2
- 267KobeHyōgo 7.2
- 267KawaguchiSaitama 7.2
- 267KaratsuSaga 7.2
- 267KamakuraKanagawa 7.2
- 267HashimotoWakayama 7.2
- 267HamadaShimane 7.2
- 267AnjōAichi 7.2
- 267IwakiFukushima 7.2
- 267NoshiroAkita 7.2
- 267MotosuGifu 7.2
- 267SadoNiigata 7.2
- 267TsushimaNagasaki 7.2
- 267KotōKumamoto 7.2
- 267HigashikurumeTokyo 7.2
- 290YasugichōShimane 7.1
- 290Uekimachi-mōnoKumamoto 7.1
- 290TokyoTokyo 7.1
- 290ŌtaGunma 7.1
- 290NumazuShizuoka 7.1
- 290NumataGunma 7.1
- 290NagaokaNiigata 7.1
- 290HanyūSaitama 7.1
- 290HannōSaitama 7.1
- 290KimitsuChiba 7.1
- 290Tagajō-shiMiyagi 7.1
- 290MiyakoIwate 7.1
- 290HigashimatsushimaMiyagi 7.1
- 290NankokuKochi 7.1
- 290SaikaiNagasaki 7.1
- 305YonagoTottori 7.0
- 305YoukaichiShiga 7.0
- 305YamaguchiYamaguchi 7.0
- 305UtoKumamoto 7.0
- 305ToyonakaOsaka 7.0
- 305ToyohashiAichi 7.0
- 305TondabayashichōOsaka 7.0
- 305TokushimaTokushima 7.0
- 305TakarazukaHyōgo 7.0
- 305TagawaFukuoka 7.0
- 305SakaiminatoTottori 7.0
- 305KumagayaSaitama 7.0
- 305KazoSaitama 7.0
- 305KawagoeSaitama 7.0
- 305KanazawaIshikawa 7.0
- 305ChichibuSaitama 7.0
- 305NagatoYamaguchi 7.0
- 305YamagataYamagata 7.0
- 305KesennumaMiyagi 7.0
- 305HokotaIbaraki 7.0
- 305Minami-SōmaFukushima 7.0
- 305JōsōIbaraki 7.0
- 305KikugawaShizuoka 7.0
- 305YurihonjōAkita 7.0
- 305KaizuGifu 7.0
- 305AzaminoKanagawa 7.0
- 305JōyōKyoto 7.0
- 305MinamikyushuKagoshima 7.0
- 333SōkaSaitama 6.9
- 333ShimaMie 6.9
- 333SendaiKagoshima 6.9
- 333NōgataFukuoka 6.9
- 333NishioAichi 6.9
- 333MachidaTokyo 6.9
- 333KusatsuShiga 6.9
- 333KumamotoKumamoto 6.9
- 333KogaFukuoka 6.9
- 333KitahamaShiga 6.9
- 333IseharaKanagawa 6.9
- 333IsahayaNagasaki 6.9
- 333HirakataOsaka 6.9
- 333HijiOita 6.9
- 333HamamatsuShizuoka 6.9
- 333SayamaSaitama 6.9
- 333KosaiShizuoka 6.9
- 333SennanOsaka 6.9
- 333HigashimurayamaTokyo 6.9
- 333NoboritoKanagawa 6.9
- 333Minami-AlpsYamanashi 6.9
- 333YamatoKanagawa 6.9
- 355AtsugiKanagawa 6.8
- 355YukuhashiFukuoka 6.8
- 355YokosukaKanagawa 6.8
- 355YaitaTochigi 6.8
- 355TsurugaFukui 6.8
- 355TsukumiuraOita 6.8
- 355SanoTochigi 6.8
- 355OyamaTochigi 6.8
- 355OdawaraKanagawa 6.8
- 355NaganoNagano 6.8
- 355KōnosuSaitama 6.8
- 355KikuchiKumamoto 6.8
- 355KanoyaKagoshima 6.8
- 355MiuraKanagawa 6.8
- 355SusonoShizuoka 6.8
- 355HabikinoOsaka 6.8
- 355SugaiKyoto 6.8
- 355KizugawaKyoto 6.8
- 373TosuSaga 6.7
- 373TanabeWakayama 6.7
- 373TamanaKumamoto 6.7
- 373MiyazuKyoto 6.7
- 373KoshigayaSaitama 6.7
- 373IzumiKagoshima 6.7
- 373HiratsukaKanagawa 6.7
- 373OyabeToyama 6.7
- 373EbinaKanagawa 6.7
- 373SaitamaSaitama 6.7
- 373YawatahamaEhime 6.7
- 373FujiyoshidaYamanashi 6.7
- 373YamanashiYamanashi 6.7
- 373FuchūTokyo 6.7
- 373ItoshimaFukuoka 6.7
- 388YaoOsaka 6.6
- 388UtsunomiyaTochigi 6.6
- 388TokorozawaSaitama 6.6
- 388TochigiTochigi 6.6
- 388ShimodaShizuoka 6.6
- 388ŌzuKumamoto 6.6
- 388ŌtsukiYamanashi 6.6
- 388NiigataNiigata 6.6
- 388MieOita 6.6
- 388KakegawaShizuoka 6.6
- 388HadanoKanagawa 6.6
- 388FujinomiyaShizuoka 6.6
- 388MoriokaIwate 6.6
- 388ChikuseiIbaraki 6.6
- 388ŌsakiMiyagi 6.6
- 388KirishimaKagoshima 6.6
- 388WakasugiFukuoka 6.6
- 388OgōriFukuoka 6.6
- 388MunakataFukuoka 6.6
- 388KaminomaAichi 6.6
- 408ShironeNiigata 6.5
- 408OnoFukui 6.5
- 408NichinanMiyazaki 6.5
- 408MinamataKumamoto 6.5
- 408KobayashiMiyazaki 6.5
- 408Kaseda-shirakameKagoshima 6.5
- 408KanumaTochigi 6.5
- 408HamakitaShizuoka 6.5
- 408GobōWakayama 6.5
- 408AtamiShizuoka 6.5
- 408SakuraChiba 6.5
- 408MatsushimaMiyagi 6.5
- 408KōriyamaFukushima 6.5
- 408IchinosekiIwate 6.5
- 408ChibaChiba 6.5
- 408AkitaAkita 6.5
- 408InashikiIbaraki 6.5
- 408MinamichitaAichi 6.5
- 408UkihaFukuoka 6.5
- 427Ureshinomachi-shimojukuSaga 6.4
- 427UrayasuChiba 6.4
- 427SuwaNagano 6.4
- 427ŌmeTokyo 6.4
- 427NakatsuOita 6.4
- 427MifuneKumamoto 6.4
- 427MakiNiigata 6.4
- 427KasukabeSaitama 6.4
- 427KaminokawaTochigi 6.4
- 427FujisawaKanagawa 6.4
- 427KitaibarakiIbaraki 6.4
- 427IchiharaChiba 6.4
- 427MinamiuonumaNiigata 6.4
- 427ShirakawaFukushima 6.4
- 441NonoichiIshikawa 6.3
- 441ŌmihachimanShiga 6.3
- 441GotembaShizuoka 6.3
- 441SendaiMiyagi 6.3
- 441BandōIbaraki 6.3
- 441Misato, SaitamaSaitama 6.3
- 441BuzenFukuoka 6.3
- 441YonoOsaka 6.3
- 449NagasakiNagasaki 6.2
- 449MatsumotoNagano 6.2
- 449HitoyoshiKumamoto 6.2
- 449YokoteAkita 6.2
- 449KasamaIbaraki 6.2
- 449KitamiHokkaido 6.2
- 449AkishimaTokyo 6.2
- 449KumanoMie 6.2
- 449SayamaOsaka 6.2
- 458GeroGifu 6.1
- 458UenoharaYamanashi 6.1
- 458SaikiOita 6.1
- 458Niitsu-honchōNiigata 6.1
- 458KisarazuChiba 6.1
- 458HakodateHokkaido 6.1
- 458Aizu-WakamatsuFukushima 6.1
- 458YachiyoChiba 6.1
- 458IzunokuniShizuoka 6.1
- 467TateyamaChiba 6.0
- 467KashiwaChiba 6.0
- 467AnamizuIshikawa 6.0
- 467ŌharaChiba 6.0
- 467MookaTochigi 6.0
- 467TomakomaiHokkaido 6.0
- 467KujiIwate 6.0
- 467KamagayaChiba 6.0
- 467IkiNagasaki 6.0
- 476SuzakaNagano 5.9
- 476ShinagawaEhime 5.9
- 476MiyazakiMiyazaki 5.9
- 476MatsueShimane 5.9
- 476ImaichiTochigi 5.9
- 476NaritaChiba 5.9
- 476ShintomiMiyazaki 5.9
- 476KasugaFukuoka 5.9
- 476SōsaChiba 5.9
- 476TakizawaIwate 5.9
- 476KyōtangoKyoto 5.9
- 487NodaChiba 5.8
- 487FujiedaShizuoka 5.8
- 487UwajimaEhime 5.8
- 487MitoIbaraki 5.8
- 487AsahikawaHokkaido 5.8
- 487Hitachi-NakaIbaraki 5.8
- 487MinamiashigaraKanagawa 5.8
- 487NasukarasuyamaTochigi 5.8
- 487InzaiChiba 5.8
- 487YameFukuoka 5.8
- 487NarashinoChiba 5.8
- 487MinamibōsōChiba 5.8
- 499OwaseMie 5.7
- 499YotsukaidōChiba 5.7
- 499HanamakiIwate 5.7
- 499ChikumaNagano 5.7
- 499KuriharaMiyagi 5.7
- 499AmamiKagoshima 5.7
- 505OgawamachiSaitama 5.6
- 505YachimataChiba 5.6
- 505SawaraChiba 5.6
- 505SapporoHokkaido 5.6
- 509YanagawaFukuoka 5.5
- 509OkayaNagano 5.5
- 509MatsudoChiba 5.5
- 509OmigawaChiba 5.5
- 509HitachiIbaraki 5.5
- 509KōkaShiga 5.5
- 515SakuNagano 5.4
- 515YokoshibaChiba 5.4
- 515TorideIbaraki 5.4
- 515IshiokaIbaraki 5.4
- 519NahaOkinawa 5.3
- 519InaNagano 5.3
- 519AjikiChiba 5.3
- 522MobaraChiba 5.2
- 522HitachiomiyaIbaraki 5.2
- 524UedaNagano 5.1
- 524ŌamiChiba 5.1
- 524TomeMiyagi 5.1
- 527KamaishiIwate 5.0
- 528ŌgakiGifu 4.9
- 528AsoKumamoto 4.9
- 528SodegauraChiba 4.9
- 531KatsuuraChiba 4.8
- 531ObihiroHokkaido 4.8
- 533ŌshūIwate 4.7
- 534KushiroHokkaido 4.6
- 535KogaIbaraki 4.5
- 535TōganeChiba 4.5
- 537NamerikawaToyama 3.5
Good0–9.0
Moderate9.1–35.4
Sensitive groups35.5–55.4
Unhealthy55.5–125.4
Very unhealthy125.5–225.4
Hazardous225.5+