SmogRank / Countries / Japan / September 2025
Most polluted cities in Japan, September 2025
527 cities in Japan ranked by their average PM2.5 over the 30 days. Worst: Ōtsuki at 15.2 µg/m³, #205 of 2,439 cities in the world. Cleanest: Okinawa at 3.0. A city needs measurements on 70% of the days to be ranked.
- 1ŌtsukiYamanashi 15.2
- 2SekimachiGifu 11.9
- 3TsuchiuraIbaraki 11.4
- 4GyōdaSaitama 11.0
- 5TatebayashiGunma 10.5
- 5KamisuIbaraki 10.5
- 7MinamirinkanKanagawa 10.4
- 8KofuYamanashi 10.3
- 9AnanTokushima 10.2
- 9MimaTokushima 10.2
- 11Shimo-tsumaIbaraki 10.1
- 11OnomichiHiroshima 10.1
- 11BizenOkayama 10.1
- 14AiharaKanagawa 10.0
- 15TokiGifu 9.9
- 15SanoTochigi 9.9
- 15NakatsuOita 9.9
- 15FukuroiShizuoka 9.9
- 15NakaIbaraki 9.9
- 20TomiokaGunma 9.8
- 21IkedachōTokushima 9.7
- 21ChigasakiKanagawa 9.7
- 21AgeoSaitama 9.7
- 21AyaseKanagawa 9.7
- 25IwataShizuoka 9.6
- 25OwariasahiAichi 9.6
- 27MenumaSaitama 9.5
- 27KōnosuSaitama 9.5
- 27KakegawaShizuoka 9.5
- 27BeppuOita 9.5
- 27AkishimaTokyo 9.5
- 32TaharaAichi 9.4
- 32HachiōjiTokyo 9.4
- 34Kodamachō-kodamaminamiSaitama 9.3
- 34MinawaKanagawa 9.3
- 34ChibaChiba 9.3
- 34NiizaSaitama 9.3
- 38OyamaTochigi 9.2
- 38OdawaraKanagawa 9.2
- 38Kamojimachō-jōgejimaTokushima 9.2
- 38HonjōSaitama 9.2
- 42YoriiSaitama 9.1
- 42NumazuShizuoka 9.1
- 42NobeokaMiyazaki 9.1
- 42KariyaAichi 9.1
- 46YokkaichiMie 9.0
- 46ŌgakiGifu 9.0
- 46KashiwaraNara 9.0
- 46HadanoKanagawa 9.0
- 46AsakaSaitama 9.0
- 46SakuraChiba 9.0
- 46ChikuseiIbaraki 9.0
- 53KazoSaitama 8.9
- 53KainanWakayama 8.9
- 53HiratsukaKanagawa 8.9
- 53AtamiShizuoka 8.9
- 53HyūgaMiyazaki 8.9
- 58TokyoTokyo 8.8
- 58SakadoSaitama 8.8
- 58ŌmeTokyo 8.8
- 58KiryūGunma 8.8
- 58KashiwaChiba 8.8
- 58JōsōIbaraki 8.8
- 58Higashi-MatsuyamaSaitama 8.8
- 58KikugawaShizuoka 8.8
- 66YokohamaKanagawa 8.7
- 66TsuruokaYamagata 8.7
- 66TanabeWakayama 8.7
- 66MinatoWakayama 8.7
- 66SaikiOita 8.7
- 66OkazakiAichi 8.7
- 66KurihamaKanagawa 8.7
- 66KawaguchiSaitama 8.7
- 66AshikagaTochigi 8.7
- 66NagaiYamagata 8.7
- 66IshinomakiMiyagi 8.7
- 66IrumaSaitama 8.7
- 66HigashikurumeTokyo 8.7
- 79AtsugiKanagawa 8.6
- 79SandachōHyōgo 8.6
- 79Sakai-nakajimaGunma 8.6
- 79KukichūōSaitama 8.6
- 79KawagoeSaitama 8.6
- 79Kashima-shiIbaraki 8.6
- 79FujinomiyaShizuoka 8.6
- 79FujiShizuoka 8.6
- 79BandōIbaraki 8.6
- 88YawataKyoto 8.5
- 88UrayasuChiba 8.5
- 88UozuToyama 8.5
- 88Tottori-shiTottori 8.5
- 88TamanoOkayama 8.5
- 88SōkaSaitama 8.5
- 88Shin’ichiHiroshima 8.5
- 88ShimodaShizuoka 8.5
- 88Kashihara-shiNara 8.5
- 88HigashiosakaOsaka 8.5
- 88GotembaShizuoka 8.5
- 88AmagasakiHyōgo 8.5
- 88HokotaIbaraki 8.5
- 88FuchūTokyo 8.5
- 88KodairaTokyo 8.5
- 88KamagayaChiba 8.5
- 104UtoKumamoto 8.4
- 104ShimadaShizuoka 8.4
- 104ShibukawaGunma 8.4
- 104OnoHyōgo 8.4
- 104Narutochō-mitsuishiTokushima 8.4
- 104IwadeWakayama 8.4
- 104Misato, SaitamaSaitama 8.4
- 104InabeMie 8.4
- 104KosaiShizuoka 8.4
- 104SaitamaSaitama 8.4
- 104NoboritoKanagawa 8.4
- 104AzaminoKanagawa 8.4
- 116YokosukaKanagawa 8.3
- 116NodaChiba 8.3
- 116MorohongōSaitama 8.3
- 116KaminokawaTochigi 8.3
- 116KamakuraKanagawa 8.3
- 116Kakogawachō-honmachiHyōgo 8.3
- 116IkomaNara 8.3
- 116ImabariEhime 8.3
- 116MatsusakaMie 8.3
- 116HigashihiroshimaHiroshima 8.3
- 126YokotaTokyo 8.2
- 126YoukaichiShiga 8.2
- 126SakataYamagata 8.2
- 126NyūzenToyama 8.2
- 126HigashinozoeHyōgo 8.2
- 126NiihamaEhime 8.2
- 126KochiKochi 8.2
- 126HamamatsuShizuoka 8.2
- 126FukuyamaHiroshima 8.2
- 126ChiryūAichi 8.2
- 126MobaraChiba 8.2
- 126KasamaIbaraki 8.2
- 126IwakiFukushima 8.2
- 126InzaiChiba 8.2
- 126YachiyoChiba 8.2
- 126Minami-AlpsYamanashi 8.2
- 126AraoKumamoto 8.2
- 126KuwanaMie 8.2
- 126YamatoKanagawa 8.2
- 126AridaWakayama 8.2
- 126MinamibōsōChiba 8.2
- 147AkashiHyōgo 8.1
- 147YaitaTochigi 8.1
- 147ToyotaAichi 8.1
- 147TateyamaChiba 8.1
- 147OsakaOsaka 8.1
- 147MachidaTokyo 8.1
- 147KureHiroshima 8.1
- 147KoshigayaSaitama 8.1
- 147KishiwadaOsaka 8.1
- 147IwakuniYamaguchi 8.1
- 147HanyūSaitama 8.1
- 147SaijōEhime 8.1
- 147NaritaChiba 8.1
- 147MookaTochigi 8.1
- 147YawatahamaEhime 8.1
- 147ChikugoFukuoka 8.1
- 147TōkaiAichi 8.1
- 164ShingūWakayama 8.0
- 164TokorozawaSaitama 8.0
- 164TamanaKumamoto 8.0
- 164TakanabeMiyazaki 8.0
- 164ShizuokaShizuoka 8.0
- 164SakaiOsaka 8.0
- 164NagahamaShiga 8.0
- 164KyotoKyoto 8.0
- 164KumagayaSaitama 8.0
- 164KanumaTochigi 8.0
- 164KameokaKyoto 8.0
- 164InoKochi 8.0
- 164HitoyoshiKumamoto 8.0
- 164FujisawaKanagawa 8.0
- 164FujiedaShizuoka 8.0
- 164KimitsuChiba 8.0
- 164TorideIbaraki 8.0
- 164IzunokuniShizuoka 8.0
- 164HashimaGifu 8.0
- 164HigashimurayamaTokyo 8.0
- 164FujiyoshidaYamanashi 8.0
- 164JōyōKyoto 8.0
- 186UtsunomiyaTochigi 7.9
- 186TenriNara 7.9
- 186Tanushimarumachi-toyokiFukuoka 7.9
- 186TajimiGifu 7.9
- 186ŌtakeHiroshima 7.9
- 186MatsudoChiba 7.9
- 186KōtariKyoto 7.9
- 186Kan’onjichōKagawa 7.9
- 186HōryūjiNara 7.9
- 186HiroshimaHiroshima 7.9
- 186HikoneShiga 7.9
- 186HamakitaShizuoka 7.9
- 186MatsuyamaEhime 7.9
- 186Hitachi-NakaIbaraki 7.9
- 186InashikiIbaraki 7.9
- 186EbinaKanagawa 7.9
- 186KizugawaKyoto 7.9
- 203Ueno-ebisumachiMie 7.8
- 203SuzukaMie 7.8
- 203NishinomiyaHyōgo 7.8
- 203NakamuraKochi 7.8
- 203MarugameKagawa 7.8
- 203KurashikiOkayama 7.8
- 203KitahamaShiga 7.8
- 203HitaOita 7.8
- 203HannōSaitama 7.8
- 203HandaAichi 7.8
- 203GobōWakayama 7.8
- 203MiuraKanagawa 7.8
- 203IshiokaIbaraki 7.8
- 203SusonoShizuoka 7.8
- 203OgaAkita 7.8
- 203BuzenFukuoka 7.8
- 203ShikokuchūōEhime 7.8
- 203NarashinoChiba 7.8
- 203ShūnanYamaguchi 7.8
- 222HonmachiKumamoto 7.7
- 222TakarazukaHyōgo 7.7
- 222ShibataNiigata 7.7
- 222ŌitaOita 7.7
- 222NagoyaAichi 7.7
- 222MinamataKumamoto 7.7
- 222MiharaHiroshima 7.7
- 222KisarazuChiba 7.7
- 222GifuGifu 7.7
- 222ChichibuSaitama 7.7
- 222SayamaSaitama 7.7
- 222YotsukaidōChiba 7.7
- 222SagaeYamagata 7.7
- 222IchiharaChiba 7.7
- 222KaminomaAichi 7.7
- 237UjiKyoto 7.6
- 237ToyamaToyama 7.6
- 237ShimaMie 7.6
- 237ShidoKagawa 7.6
- 237ŌzuKumamoto 7.6
- 237ŌtsuShiga 7.6
- 237OkayamaOkayama 7.6
- 237NishioAichi 7.6
- 237KusatsuShiga 7.6
- 237KobeHyōgo 7.6
- 237KasukabeSaitama 7.6
- 237HirakataOsaka 7.6
- 237GamagōriAichi 7.6
- 237AkiKochi 7.6
- 237AioiHyōgo 7.6
- 237YokoshibaChiba 7.6
- 237OmigawaChiba 7.6
- 237MitoIbaraki 7.6
- 237AjikiChiba 7.6
- 237MinamiashigaraKanagawa 7.6
- 237HabikinoOsaka 7.6
- 237Kawachi-NaganoOsaka 7.6
- 237SugaiKyoto 7.6
- 237IgaMie 7.6
- 237TatsunoHyōgo 7.6
- 237NantanKyoto 7.6
- 263ZentsujichóKagawa 7.5
- 263TsurusakiOita 7.5
- 263ToyohashiAichi 7.5
- 263SusakiKochi 7.5
- 263SaikūMie 7.5
- 263MiyakonojōMiyazaki 7.5
- 263KasaokaOkayama 7.5
- 263HashimotoWakayama 7.5
- 263KariyaHyōgo 7.5
- 263SawaraChiba 7.5
- 263KinokawaWakayama 7.5
- 263NasukarasuyamaTochigi 7.5
- 263KaniGifu 7.5
- 276YaoOsaka 7.4
- 276TochigiTochigi 7.4
- 276KandaFukuoka 7.4
- 276IzumiOsaka 7.4
- 276IseMie 7.4
- 276IidaNagano 7.4
- 276IchinomiyaAichi 7.4
- 276IyoEhime 7.4
- 276HitachiIbaraki 7.4
- 276HitachiomiyaIbaraki 7.4
- 276ImizuToyama 7.4
- 276NisshinAichi 7.4
- 276AmaAichi 7.4
- 289TokushimaTokushima 7.3
- 289TobaMie 7.3
- 289SetoAichi 7.3
- 289Nara-shiNara 7.3
- 289KurayoshiTottori 7.3
- 289KakamigaharaGifu 7.3
- 289IzumisanoOsaka 7.3
- 289UwajimaEhime 7.3
- 289ŌharaChiba 7.3
- 289ChikumaNagano 7.3
- 289TakashimaShiga 7.3
- 289HiragiKagawa 7.3
- 289YoshinogawaTokushima 7.3
- 302ToyonakaOsaka 7.2
- 302TokonameAichi 7.2
- 302IkarugaHyōgo 7.2
- 302Hondomachi-hondoKumamoto 7.2
- 302Fukui-shiFukui 7.2
- 302AyabeKyoto 7.2
- 302AnjōAichi 7.2
- 302HirosakiAomori 7.2
- 310TsuyamaOkayama 7.1
- 310TsuMie 7.1
- 310TondabayashichōOsaka 7.1
- 310OwaseMie 7.1
- 310ŌmutaFukuoka 7.1
- 310ObamaFukui 7.1
- 310KikuchiKumamoto 7.1
- 310IbiGifu 7.1
- 310YachimataChiba 7.1
- 310SōsaChiba 7.1
- 310SennanOsaka 7.1
- 310ShonaiYamagata 7.1
- 310UkihaFukuoka 7.1
- 323YanaiYamaguchi 7.0
- 323TakeharaHiroshima 7.0
- 323SuwaNagano 7.0
- 323SōjaOkayama 7.0
- 323OgawamachiSaitama 7.0
- 323NumataGunma 7.0
- 323NakanojōGunma 7.0
- 323MifuneKumamoto 7.0
- 323HimejiHyōgo 7.0
- 323YonezawaYamagata 7.0
- 323NankokuKochi 7.0
- 323MizuhoGifu 7.0
- 335SuzakaNagano 6.9
- 335SakuNagano 6.9
- 335NabariMie 6.9
- 335MatsumotoNagano 6.9
- 335ImaichiTochigi 6.9
- 335GionHiroshima 6.9
- 335KumanoMie 6.9
- 335MinamiuonumaNiigata 6.9
- 335SayamaOsaka 6.9
- 335YonoOsaka 6.9
- 335MinamichitaAichi 6.9
- 335MineYamaguchi 6.9
- 335SodegauraChiba 6.9
- 335AsakuchiOkayama 6.9
- 349Uekimachi-mōnoKumamoto 6.8
- 349TakinomiyaKagawa 6.8
- 349Ōyanomachi-noboritateKumamoto 6.8
- 349NagaokaNiigata 6.8
- 349MikuniFukui 6.8
- 349MieOita 6.8
- 349KobayashiMiyazaki 6.8
- 349KameyamaMie 6.8
- 349HimimachiToyama 6.8
- 349HekinanAichi 6.8
- 349ShiroishiMiyagi 6.8
- 349KitaibarakiIbaraki 6.8
- 349ShintomiMiyazaki 6.8
- 349HigashimatsushimaMiyagi 6.8
- 349KotōKumamoto 6.8
- 364YamagaKumamoto 6.7
- 364TakaokaToyama 6.7
- 364TagawaFukuoka 6.7
- 364ShimonosekiYamaguchi 6.7
- 364SabaeFukui 6.7
- 364KumamotoKumamoto 6.7
- 364KogaIbaraki 6.7
- 364HōfuYamaguchi 6.7
- 364FukuchiyamaKyoto 6.7
- 364HikariYamaguchi 6.7
- 364Natori-shiMiyagi 6.7
- 364HachinoheAomori 6.7
- 364SōmaFukushima 6.7
- 377TakatsukiOsaka 6.6
- 377TakamatsuKagawa 6.6
- 377OnodaYamaguchi 6.6
- 377NishiwakiHyōgo 6.6
- 377InuyamaAichi 6.6
- 377MoriokaIwate 6.6
- 377IwanumaMiyagi 6.6
- 377TonamiToyama 6.6
- 377Minami-SōmaFukushima 6.6
- 377JōetsuNiigata 6.6
- 387TakahashiOkayama 6.5
- 387MiyazakiMiyazaki 6.5
- 387MatsushimaMiyagi 6.5
- 387KōriyamaFukushima 6.5
- 387KatsuuraChiba 6.5
- 387NasushiobaraTochigi 6.5
- 387YurihonjōAkita 6.5
- 387KogaFukuoka 6.5
- 395ToyookaHyōgo 6.4
- 395OnoFukui 6.4
- 395KitakyushuFukuoka 6.4
- 395IizukaFukuoka 6.4
- 395ŌmihachimanShiga 6.4
- 395NoshiroAkita 6.4
- 401YonagoTottori 6.3
- 401YamagataYamagata 6.3
- 401TōganeChiba 6.3
- 401HigashineYamagata 6.3
- 401AsoKumamoto 6.3
- 401ShirakawaFukushima 6.3
- 407YamaguchiYamaguchi 6.2
- 407YaeHiroshima 6.2
- 407UbeYamaguchi 6.2
- 407NakamaFukuoka 6.2
- 407MaizuruKyoto 6.2
- 407KakudaMiyagi 6.2
- 407OgōriFukuoka 6.2
- 414TsubataIshikawa 6.1
- 414NichinanMiyazaki 6.1
- 414NaganoNagano 6.1
- 414MasudaShimane 6.1
- 414KudamatsuYamaguchi 6.1
- 414IshigakiOkinawa 6.1
- 414FukuokaFukuoka 6.1
- 414ShinjōYamagata 6.1
- 414AomoriAomori 6.1
- 423TsurugaFukui 6.0
- 423KomatsuIshikawa 6.0
- 423NagatoYamaguchi 6.0
- 423YoshiokaMiyagi 6.0
- 423KesennumaMiyagi 6.0
- 423KagaIshikawa 6.0
- 423KirishimaKagoshima 6.0
- 430SumotoHyōgo 5.9
- 430ShironeNiigata 5.9
- 430ShinshiroAichi 5.9
- 430InaNagano 5.9
- 430HakuiIshikawa 5.9
- 430IchinosekiIwate 5.9
- 430WakasugiFukuoka 5.9
- 430YameFukuoka 5.9
- 438GeroGifu 5.8
- 438UedaNagano 5.8
- 438MiyazuKyoto 5.8
- 438MatsutōIshikawa 5.8
- 438Tagajō-shiMiyagi 5.8
- 438HanamakiIwate 5.8
- 438KōkaShiga 5.8
- 438ŌsakiMiyagi 5.8
- 446TogitsuNagasaki 5.7
- 446SaseboNagasaki 5.7
- 446OkayaNagano 5.7
- 446NōgataFukuoka 5.7
- 446NiigataNiigata 5.7
- 446NagasakiNagasaki 5.7
- 446Kanzakimachi-kanzakiSaga 5.7
- 446Kameda-honchōNiigata 5.7
- 446ŌdateAkita 5.7
- 446KaizuGifu 5.7
- 456YukuhashiFukuoka 5.6
- 456TakayamaGifu 5.6
- 456Maebaru-chūōFukuoka 5.6
- 456Imarichō-kōSaga 5.6
- 456AkitaAkita 5.6
- 456Aizu-WakamatsuFukushima 5.6
- 456SadoNiigata 5.6
- 456HigashigōSaga 5.6
- 464TakeoSaga 5.5
- 464ShinagawaEhime 5.5
- 464Niitsu-honchōNiigata 5.5
- 464NanaoIshikawa 5.5
- 464MakiNiigata 5.5
- 464IzumiKagoshima 5.5
- 464SendaiMiyagi 5.5
- 464KasugaFukuoka 5.5
- 464TsushimaNagasaki 5.5
- 464TakizawaIwate 5.5
- 474ŌmuraNagasaki 5.4
- 474MiyoshiHiroshima 5.4
- 474KogaFukuoka 5.4
- 474KanazawaIshikawa 5.4
- 474IzumoShimane 5.4
- 474HamadaShimane 5.4
- 474MatsuuraNagasaki 5.4
- 474ItoshimaFukuoka 5.4
- 474UnnanShimane 5.4
- 483TosuSaga 5.3
- 483SendaiKagoshima 5.3
- 483NiimiOkayama 5.3
- 483YokoteAkita 5.3
- 487ObitaNagasaki 5.2
- 487HagiYamaguchi 5.2
- 487MunakataFukuoka 5.2
- 490Ureshinomachi-shimojukuSaga 5.1
- 490Ōdachō-ōdaShimane 5.1
- 490KanoyaKagoshima 5.1
- 490IsahayaNagasaki 5.1
- 490GōtsuchōShimane 5.1
- 490GotōNagasaki 5.1
- 496SagaSaga 5.0
- 496KashimaSaga 5.0
- 496KagoshimaKagoshima 5.0
- 496OyabeToyama 5.0
- 496TakuSaga 5.0
- 496KyōtangoKyoto 5.0
- 502SakaiminatoTottori 4.9
- 502SapporoHokkaido 4.9
- 502MinamikyushuKagoshima 4.9
- 505YasugichōShimane 4.8
- 505MinokamoGifu 4.8
- 505SaikaiNagasaki 4.8
- 508MatsueShimane 4.7
- 508WakuyaMiyagi 4.7
- 508TomeMiyagi 4.7
- 511NonoichiIshikawa 4.6
- 511KushikinoKagoshima 4.6
- 511AnamizuIshikawa 4.6
- 514MiyakoIwate 4.5
- 515NahaOkinawa 4.4
- 515KaratsuSaga 4.4
- 515MiyakojimaOkinawa 4.4
- 515KuriharaMiyagi 4.4
- 519ŌshūIwate 4.3
- 520YanagawaFukuoka 4.1
- 520KamaishiIwate 4.1
- 522NagoOkinawa 4.0
- 523KujiIwate 3.9
- 524Kaseda-shirakameKagoshima 3.8
- 524IkiNagasaki 3.8
- 526AmamiKagoshima 3.6
- 527OkinawaOkinawa 3.0
Good0–9.0
Moderate9.1–35.4
Sensitive groups35.5–55.4
Unhealthy55.5–125.4
Very unhealthy125.5–225.4
Hazardous225.5+