SmogRank / Countries / Japan / August 2025
Most polluted cities in Japan, August 2025
536 cities in Japan ranked by their average PM2.5 over the 31 days. Worst: Ōtsuki at 20.3 µg/m³, #125 of 2,289 cities in the world. Cleanest: Okinawa at 3.1. A city needs measurements on 70% of the days to be ranked.
- 1ŌtsukiYamanashi 20.3
- 2AnanTokushima 18.2
- 3Kamojimachō-jōgejimaTokushima 16.8
- 4TsuchiuraIbaraki 16.1
- 5BizenOkayama 15.8
- 6MimaTokushima 15.7
- 7ChigasakiKanagawa 15.6
- 8KofuYamanashi 15.4
- 8AiharaKanagawa 15.4
- 10OnoHyōgo 15.3
- 10AyaseKanagawa 15.3
- 12AioiHyōgo 15.2
- 13TamanoOkayama 15.0
- 13ShidoKagawa 15.0
- 15IkedachōTokushima 14.9
- 15KariyaHyōgo 14.9
- 17HigashinozoeHyōgo 14.8
- 17HachiōjiTokyo 14.8
- 19NakaIbaraki 14.6
- 20TokiGifu 14.5
- 20KariyaAichi 14.5
- 20Kakogawachō-honmachiHyōgo 14.5
- 20KamisuIbaraki 14.5
- 20AkishimaTokyo 14.5
- 20TatsunoHyōgo 14.5
- 26TaharaAichi 14.4
- 26MatsusakaMie 14.4
- 28Tottori-shiTottori 14.3
- 28SandachōHyōgo 14.3
- 28OkayamaOkayama 14.3
- 28KashiwaraNara 14.3
- 28MinawaKanagawa 14.3
- 33ŌmeTokyo 14.2
- 33OdawaraKanagawa 14.2
- 33MinamirinkanKanagawa 14.2
- 33IkarugaHyōgo 14.2
- 37NakatsuOita 14.1
- 37KodairaTokyo 14.1
- 39YokkaichiMie 14.0
- 39SanoTochigi 14.0
- 39KurashikiOkayama 14.0
- 39KainanWakayama 14.0
- 39IwataShizuoka 14.0
- 44ToyotaAichi 13.8
- 44TatebayashiGunma 13.8
- 44Narutochō-mitsuishiTokushima 13.8
- 44InabeMie 13.8
- 44HiragiKagawa 13.8
- 44FuchūTokyo 13.8
- 50GyōdaSaitama 13.7
- 50ChiryūAichi 13.7
- 50KosaiShizuoka 13.7
- 50AzaminoKanagawa 13.7
- 50HigashikurumeTokyo 13.7
- 55AkashiHyōgo 13.6
- 55TokyoTokyo 13.6
- 55MarugameKagawa 13.6
- 55Kashihara-shiNara 13.6
- 55HadanoKanagawa 13.6
- 55FukuroiShizuoka 13.6
- 55KuwanaMie 13.6
- 62TokorozawaSaitama 13.5
- 62TakarazukaHyōgo 13.5
- 62OkazakiAichi 13.5
- 62BeppuOita 13.5
- 62AtamiShizuoka 13.5
- 62AgeoSaitama 13.5
- 62ChibaChiba 13.5
- 62YoshinogawaTokushima 13.5
- 70AtsugiKanagawa 13.4
- 70TokushimaTokushima 13.4
- 70MenumaSaitama 13.4
- 70KiryūGunma 13.4
- 70IwadeWakayama 13.4
- 70IkomaNara 13.4
- 70HiratsukaKanagawa 13.4
- 70GamagōriAichi 13.4
- 70HigashimurayamaTokyo 13.4
- 79ZentsujichóKagawa 13.3
- 79UozuToyama 13.3
- 79NagahamaShiga 13.3
- 79MachidaTokyo 13.3
- 79KishiwadaOsaka 13.3
- 79KakegawaShizuoka 13.3
- 79HimejiHyōgo 13.3
- 79Kawachi-NaganoOsaka 13.3
- 79FujiyoshidaYamanashi 13.3
- 88YokohamaKanagawa 13.2
- 88SaikūMie 13.2
- 88OyamaTochigi 13.2
- 88IseMie 13.2
- 88GotembaShizuoka 13.2
- 88NiizaSaitama 13.2
- 88AridaWakayama 13.2
- 95OnomichiHiroshima 13.1
- 95AmagasakiHyōgo 13.1
- 95YamatoKanagawa 13.1
- 95AmaAichi 13.1
- 95ShikokuchūōEhime 13.1
- 95TōkaiAichi 13.1
- 101NishinomiyaHyōgo 13.0
- 101Kan’onjichōKagawa 13.0
- 101HamakitaShizuoka 13.0
- 104SakaiOsaka 12.9
- 104ŌitaOita 12.9
- 104HashimotoWakayama 12.9
- 104IrumaSaitama 12.9
- 104KaniGifu 12.9
- 104Minami-AlpsYamanashi 12.9
- 110ToyohashiAichi 12.8
- 110TomiokaGunma 12.8
- 110TajimiGifu 12.8
- 110Shin’ichiHiroshima 12.8
- 110Shimo-tsumaIbaraki 12.8
- 110OsakaOsaka 12.8
- 110NishioAichi 12.8
- 110NagoyaAichi 12.8
- 110KawagoeSaitama 12.8
- 110FujinomiyaShizuoka 12.8
- 110FujiedaShizuoka 12.8
- 110SakuraChiba 12.8
- 110IgaMie 12.8
- 110JōyōKyoto 12.8
- 124YoukaichiShiga 12.7
- 124YawataKyoto 12.7
- 124TsuyamaOkayama 12.7
- 124SekimachiGifu 12.7
- 124OwaseMie 12.7
- 124KōnosuSaitama 12.7
- 124KameokaKyoto 12.7
- 124KamakuraKanagawa 12.7
- 124IzumiOsaka 12.7
- 124HikoneShiga 12.7
- 124AyabeKyoto 12.7
- 124KasamaIbaraki 12.7
- 124ChikuseiIbaraki 12.7
- 124YachiyoChiba 12.7
- 124NoboritoKanagawa 12.7
- 139ShingūWakayama 12.6
- 139UrayasuChiba 12.6
- 139TanabeWakayama 12.6
- 139SōjaOkayama 12.6
- 139SaikiOita 12.6
- 139NiihamaEhime 12.6
- 139KawaguchiSaitama 12.6
- 139KashiwaChiba 12.6
- 139KasaokaOkayama 12.6
- 139AnjōAichi 12.6
- 139SaijōEhime 12.6
- 139Higashi-MatsuyamaSaitama 12.6
- 151TobaMie 12.5
- 151MinatoWakayama 12.5
- 151SakadoSaitama 12.5
- 151ŌgakiGifu 12.5
- 151Nara-shiNara 12.5
- 151KōtariKyoto 12.5
- 151FujisawaKanagawa 12.5
- 151IwakiFukushima 12.5
- 151HokotaIbaraki 12.5
- 160ToyonakaOsaka 12.4
- 160KobeHyōgo 12.4
- 160HamamatsuShizuoka 12.4
- 160EbinaKanagawa 12.4
- 160KinokawaWakayama 12.4
- 160NarashinoChiba 12.4
- 166YoriiSaitama 12.3
- 166Ueno-ebisumachiMie 12.3
- 166ShimadaShizuoka 12.3
- 166ShibukawaGunma 12.3
- 166SetoAichi 12.3
- 166NodaChiba 12.3
- 166KanumaTochigi 12.3
- 166KakamigaharaGifu 12.3
- 166IchinomiyaAichi 12.3
- 166HitoyoshiKumamoto 12.3
- 166HirakataOsaka 12.3
- 166HigashiosakaOsaka 12.3
- 166ImabariEhime 12.3
- 166BandōIbaraki 12.3
- 166KizugawaKyoto 12.3
- 166KamagayaChiba 12.3
- 182TsurusakiOita 12.2
- 182NumazuShizuoka 12.2
- 182KyotoKyoto 12.2
- 182HandaAichi 12.2
- 182GifuGifu 12.2
- 182AsakaSaitama 12.2
- 182MinamiashigaraKanagawa 12.2
- 182HabikinoOsaka 12.2
- 190YokotaTokyo 12.1
- 190SuzukaMie 12.1
- 190MatsudoChiba 12.1
- 190Kashima-shiIbaraki 12.1
- 190IzumisanoOsaka 12.1
- 190FukuchiyamaKyoto 12.1
- 190KikugawaShizuoka 12.1
- 190SayamaOsaka 12.1
- 190SennanOsaka 12.1
- 190HigashihiroshimaHiroshima 12.1
- 200TakamatsuKagawa 12.0
- 200NobeokaMiyazaki 12.0
- 200MiyazuKyoto 12.0
- 200KurihamaKanagawa 12.0
- 200KochiKochi 12.0
- 200HonjōSaitama 12.0
- 200AshikagaTochigi 12.0
- 200HashimaGifu 12.0
- 200NantanKyoto 12.0
- 209YaoOsaka 11.9
- 209UjiKyoto 11.9
- 209TondabayashichōOsaka 11.9
- 209TenriNara 11.9
- 209TakinomiyaKagawa 11.9
- 209ShizuokaShizuoka 11.9
- 209MaizuruKyoto 11.9
- 209IgusaSaitama 11.9
- 209HōryūjiNara 11.9
- 209FukuyamaHiroshima 11.9
- 209FujiShizuoka 11.9
- 209TorideIbaraki 11.9
- 209NaritaChiba 11.9
- 209MobaraChiba 11.9
- 209IshiokaIbaraki 11.9
- 209TakashimaShiga 11.9
- 209SugaiKyoto 11.9
- 209KaminomaAichi 11.9
- 227YaitaTochigi 11.8
- 227ShimaMie 11.8
- 227MinamataKumamoto 11.8
- 227Kodamachō-kodamaminamiSaitama 11.8
- 227HiroshimaHiroshima 11.8
- 227Fukui-shiFukui 11.8
- 227YotsukaidōChiba 11.8
- 227YachimataChiba 11.8
- 227InzaiChiba 11.8
- 227IzunokuniShizuoka 11.8
- 237YokosukaKanagawa 11.7
- 237MorohongōSaitama 11.7
- 237KusatsuShiga 11.7
- 237KurayoshiTottori 11.7
- 237KukichūōSaitama 11.7
- 237KobayashiMiyazaki 11.7
- 237KitahamaShiga 11.7
- 237GobōWakayama 11.7
- 237KimitsuChiba 11.7
- 237SawaraChiba 11.7
- 237IchiharaChiba 11.7
- 237InashikiIbaraki 11.7
- 237KagaIshikawa 11.7
- 250HonmachiKumamoto 11.6
- 250TokonameAichi 11.6
- 250Tanushimarumachi-toyokiFukuoka 11.6
- 250ŌtsuShiga 11.6
- 250KureHiroshima 11.6
- 250IwakuniYamaguchi 11.6
- 250ItoigawaNiigata 11.6
- 250IidaNagano 11.6
- 250GionHiroshima 11.6
- 250Hitachi-NakaIbaraki 11.6
- 250NisshinAichi 11.6
- 250SaitamaSaitama 11.6
- 262TsuMie 11.5
- 262TochigiTochigi 11.5
- 262ŌtaGunma 11.5
- 262KisarazuChiba 11.5
- 262MookaTochigi 11.5
- 262ChikugoFukuoka 11.5
- 268OgawamachiSaitama 11.4
- 268NyūzenToyama 11.4
- 268Ōyanomachi-noboritateKumamoto 11.4
- 268MieOita 11.4
- 268KoshigayaSaitama 11.4
- 268MitoIbaraki 11.4
- 268ImizuToyama 11.4
- 268KaizuGifu 11.4
- 268AraoKumamoto 11.4
- 268ShūnanYamaguchi 11.4
- 278TakahashiOkayama 11.3
- 278ŌzuKumamoto 11.3
- 278KaminokawaTochigi 11.3
- 278MiuraKanagawa 11.3
- 278YokoshibaChiba 11.3
- 278NagaiYamagata 11.3
- 278AjikiChiba 11.3
- 278MizuhoGifu 11.3
- 286ToyamaToyama 11.2
- 286SabaeFukui 11.2
- 286ŌtakeHiroshima 11.2
- 286ObamaFukui 11.2
- 286MiharaHiroshima 11.2
- 286HannōSaitama 11.2
- 286SayamaSaitama 11.2
- 286YonoOsaka 11.2
- 294UtoKumamoto 11.1
- 294ToyookaHyōgo 11.1
- 294TamanaKumamoto 11.1
- 294MikuniFukui 11.1
- 294MifuneKumamoto 11.1
- 294InoKochi 11.1
- 294ImaichiTochigi 11.1
- 294MatsuyamaEhime 11.1
- 294AsoKumamoto 11.1
- 294YawatahamaEhime 11.1
- 304SumotoHyōgo 11.0
- 304ShimodaShizuoka 11.0
- 304NabariMie 11.0
- 304Hondomachi-hondoKumamoto 11.0
- 304HitaOita 11.0
- 304OmigawaChiba 11.0
- 304HitachiIbaraki 11.0
- 304JōsōIbaraki 11.0
- 304MinamibōsōChiba 11.0
- 304AsakuchiOkayama 11.0
- 314YaeHiroshima 10.9
- 314TateyamaChiba 10.9
- 314AkiKochi 10.9
- 314ŌharaChiba 10.9
- 314NankokuKochi 10.9
- 319SusakiKochi 10.8
- 319NishiwakiHyōgo 10.8
- 319KumagayaSaitama 10.8
- 319KandaFukuoka 10.8
- 319KameyamaMie 10.8
- 319HimimachiToyama 10.8
- 319KotōKumamoto 10.8
- 326UtsunomiyaTochigi 10.7
- 326NiimiOkayama 10.7
- 326KazoSaitama 10.7
- 326IbiGifu 10.7
- 326HanyūSaitama 10.7
- 326ŌmihachimanShiga 10.7
- 326SodegauraChiba 10.7
- 333SakataYamagata 10.6
- 333KumamotoKumamoto 10.6
- 333KikuchiKumamoto 10.6
- 333IyoEhime 10.6
- 333TonamiToyama 10.6
- 333KumanoMie 10.6
- 333UkihaFukuoka 10.6
- 340TsubataIshikawa 10.5
- 340TakaokaToyama 10.5
- 340ChichibuSaitama 10.5
- 340IshinomakiMiyagi 10.5
- 340KyōtangoKyoto 10.5
- 345TsurugaFukui 10.4
- 345ŌmutaFukuoka 10.4
- 345MiyakonojōMiyazaki 10.4
- 345KomatsuIshikawa 10.4
- 345HekinanAichi 10.4
- 345HakuiIshikawa 10.4
- 345UwajimaEhime 10.4
- 345HitachiomiyaIbaraki 10.4
- 345SōsaChiba 10.4
- 345NasukarasuyamaTochigi 10.4
- 355SakuNagano 10.3
- 355NakanojōGunma 10.3
- 355KasukabeSaitama 10.3
- 355SagaeYamagata 10.3
- 355FukushimaFukushima 10.3
- 355ChikumaNagano 10.3
- 355BuzenFukuoka 10.3
- 355MinamichitaAichi 10.3
- 363TsuruokaYamagata 10.1
- 363TakeharaHiroshima 10.1
- 363TakatsukiOsaka 10.1
- 363OnoFukui 10.1
- 363MatsutōIshikawa 10.1
- 368KōkaShiga 10.0
- 368SusonoShizuoka 10.0
- 370UbeYamaguchi 9.9
- 370ShinagawaEhime 9.9
- 370NumataGunma 9.9
- 370MiyoshiHiroshima 9.9
- 370InuyamaAichi 9.9
- 370KatsuuraChiba 9.9
- 376GeroGifu 9.8
- 376YamagaKumamoto 9.8
- 376NakamuraKochi 9.8
- 376NaganoNagano 9.8
- 376KitakyushuFukuoka 9.8
- 376HōfuYamaguchi 9.8
- 376YonezawaYamagata 9.8
- 376TōganeChiba 9.8
- 376ShirakawaFukushima 9.8
- 376KunisakiOita 9.8
- 386TagawaFukuoka 9.7
- 386ShinshiroAichi 9.7
- 386SendaiKagoshima 9.7
- 386KitaibarakiIbaraki 9.7
- 390YonagoTottori 9.6
- 390YamaguchiYamaguchi 9.6
- 390SuwaNagano 9.6
- 390MatsumotoNagano 9.6
- 390IizukaFukuoka 9.6
- 390MinamiuonumaNiigata 9.6
- 390HyūgaMiyazaki 9.6
- 397TogitsuNagasaki 9.5
- 397InaNagano 9.5
- 397KirishimaKagoshima 9.5
- 397WakasugiFukuoka 9.5
- 397ShonaiYamagata 9.5
- 397TsushimaNagasaki 9.5
- 397MineYamaguchi 9.5
- 404YanaiYamaguchi 9.4
- 404TakayamaGifu 9.4
- 404ShimonosekiYamaguchi 9.4
- 404KanazawaIshikawa 9.4
- 408ShibataNiigata 9.3
- 408SaseboNagasaki 9.3
- 410OkayaNagano 9.2
- 410NagasakiNagasaki 9.2
- 410FukuokaFukuoka 9.2
- 410NagatoYamaguchi 9.2
- 410ShintomiMiyazaki 9.2
- 415Uekimachi-mōnoKumamoto 9.1
- 415UedaNagano 9.1
- 415TakanabeMiyazaki 9.1
- 415MiyazakiMiyazaki 9.1
- 415MasudaShimane 9.1
- 420SuzakaNagano 9.0
- 420OnodaYamaguchi 9.0
- 420NakamaFukuoka 9.0
- 420KōriyamaFukushima 9.0
- 420ChitoseHokkaido 9.0
- 420JōetsuNiigata 9.0
- 420YameFukuoka 9.0
- 427YukuhashiFukuoka 8.9
- 427Ōdachō-ōdaShimane 8.9
- 427KogaIbaraki 8.9
- 427IzumoShimane 8.9
- 427IzumiKagoshima 8.9
- 432ObitaNagasaki 8.8
- 432NagaokaNiigata 8.8
- 432HamadaShimane 8.8
- 432HagiYamaguchi 8.8
- 432ShiroishiMiyagi 8.8
- 432HigashineYamagata 8.8
- 432KasugaFukuoka 8.8
- 432Minami-SōmaFukushima 8.8
- 432OgōriFukuoka 8.8
- 441NōgataFukuoka 8.7
- 441UnnanShimane 8.7
- 443ŌmuraNagasaki 8.6
- 443NiigataNiigata 8.6
- 443Maebaru-chūōFukuoka 8.6
- 443Natori-shiMiyagi 8.6
- 443IwanumaMiyagi 8.6
- 443MatsuuraNagasaki 8.6
- 443HigashigōSaga 8.6
- 443ItoshimaFukuoka 8.6
- 451Kanzakimachi-kanzakiSaga 8.5
- 451GōtsuchōShimane 8.5
- 451ShinjōYamagata 8.5
- 454NichinanMiyazaki 8.4
- 454IsahayaNagasaki 8.4
- 454Imarichō-kōSaga 8.4
- 454Aizu-WakamatsuFukushima 8.4
- 454SōmaFukushima 8.4
- 459NonoichiIshikawa 8.3
- 459NanaoIshikawa 8.3
- 459KudamatsuYamaguchi 8.3
- 459NasushiobaraTochigi 8.3
- 459OgaAkita 8.3
- 459KogaFukuoka 8.3
- 459SaikaiNagasaki 8.3
- 466YasugichōShimane 8.2
- 466ShironeNiigata 8.2
- 466SakaiminatoTottori 8.2
- 466Niitsu-honchōNiigata 8.2
- 466KagoshimaKagoshima 8.2
- 466HikariYamaguchi 8.2
- 466YamagataYamagata 8.2
- 466MinokamoGifu 8.2
- 466GotōNagasaki 8.2
- 475TakeoSaga 8.1
- 475KushikinoKagoshima 8.1
- 475Kameda-honchōNiigata 8.1
- 475YoshiokaMiyagi 8.1
- 479KogaFukuoka 8.0
- 479OyabeToyama 8.0
- 479ŌsakiMiyagi 8.0
- 479HigashimatsushimaMiyagi 8.0
- 483MakiNiigata 7.9
- 484Ureshinomachi-shimojukuSaga 7.8
- 484TakuSaga 7.8
- 484MunakataFukuoka 7.8
- 487SendaiMiyagi 7.7
- 488WakuyaMiyagi 7.6
- 488Tagajō-shiMiyagi 7.6
- 488MoriokaIwate 7.6
- 488YurihonjōAkita 7.6
- 492HachinoheAomori 7.5
- 492SadoNiigata 7.5
- 492MinamikyushuKagoshima 7.5
- 495KesennumaMiyagi 7.4
- 495KakudaMiyagi 7.4
- 497TosuSaga 7.3
- 497KashimaSaga 7.3
- 497MatsushimaMiyagi 7.3
- 497NoshiroAkita 7.3
- 497HirosakiAomori 7.3
- 502SagaSaga 7.2
- 502TomeMiyagi 7.2
- 502IkiNagasaki 7.2
- 505IchinosekiIwate 7.1
- 506MatsueShimane 7.0
- 506KanoyaKagoshima 7.0
- 508AnamizuIshikawa 6.9
- 508KuriharaMiyagi 6.9
- 510YanagawaFukuoka 6.7
- 510YokoteAkita 6.7
- 510HanamakiIwate 6.7
- 510MuroranHokkaido 6.7
- 510AomoriAomori 6.7
- 515KaratsuSaga 6.6
- 515ŌdateAkita 6.6
- 517KamaishiIwate 6.3
- 517AkitaAkita 6.3
- 519TakizawaIwate 6.0
- 520KushiroHokkaido 5.8
- 521TomakomaiHokkaido 5.7
- 521ŌshūIwate 5.7
- 523Kaseda-shirakameKagoshima 5.5
- 523AsahikawaHokkaido 5.5
- 525SapporoHokkaido 5.4
- 526HakodateHokkaido 5.3
- 527IshigakiOkinawa 5.1
- 527KitamiHokkaido 5.1
- 529KujiIwate 4.9
- 530ObihiroHokkaido 4.6
- 531NahaOkinawa 4.5
- 532MiyakojimaOkinawa 4.1
- 533NagoOkinawa 3.6
- 534AmamiKagoshima 3.5
- 535MiyakoIwate 3.4
- 536OkinawaOkinawa 3.1
Good0–9.0
Moderate9.1–35.4
Sensitive groups35.5–55.4
Unhealthy55.5–125.4
Very unhealthy125.5–225.4
Hazardous225.5+