SmogRank / Countries / Japan / March 2025
Most polluted cities in Japan, March 2025
515 cities in Japan ranked by their average PM2.5 over the 31 days. Worst: Saijō at 18.3 µg/m³, #396 of 2,218 cities in the world. Cleanest: Kitami at 6.1. A city needs measurements on 70% of the days to be ranked.
- 1SaijōEhime 18.3
- 2ShikokuchūōEhime 18.0
- 3ImabariEhime 17.5
- 4NiihamaEhime 17.3
- 5Shin’ichiHiroshima 16.8
- 6FukuyamaHiroshima 16.4
- 7KurashikiOkayama 16.2
- 7KasaokaOkayama 16.2
- 9TakamatsuKagawa 16.1
- 9ShidoKagawa 16.1
- 11BeppuOita 16.0
- 12OnomichiHiroshima 15.7
- 12OnodaYamaguchi 15.7
- 12HigashinozoeHyōgo 15.7
- 15AsakuchiOkayama 15.5
- 16NakatsuOita 15.4
- 16Kan’onjichōKagawa 15.4
- 18HitaOita 15.2
- 19TamanoOkayama 14.9
- 20IshinomakiMiyagi 14.7
- 21TaharaAichi 14.6
- 22KariyaHyōgo 14.5
- 23MarugameKagawa 14.4
- 24SakaiOsaka 14.3
- 25IyoEhime 14.2
- 26AkashiHyōgo 14.1
- 26SōjaOkayama 14.1
- 26OsakaOsaka 14.1
- 26HyūgaMiyazaki 14.1
- 30Maebaru-chūōFukuoka 14.0
- 30HigashiosakaOsaka 14.0
- 30AmagasakiHyōgo 14.0
- 33KishiwadaOsaka 13.9
- 33Kakogawachō-honmachiHyōgo 13.9
- 35KōtariKyoto 13.7
- 35KariyaAichi 13.7
- 35MatsuyamaEhime 13.7
- 38YokkaichiMie 13.6
- 38YawataKyoto 13.6
- 38OkayamaOkayama 13.6
- 41ZentsujichóKagawa 13.5
- 41KameyamaMie 13.5
- 41OwariasahiAichi 13.5
- 41BizenOkayama 13.5
- 45YoukaichiShiga 13.4
- 45YaoOsaka 13.4
- 45MatsusakaMie 13.4
- 48NishioAichi 13.3
- 49SuzukaMie 13.2
- 49ŌmutaFukuoka 13.2
- 49NabariMie 13.2
- 49KureHiroshima 13.2
- 49GyōdaSaitama 13.2
- 54TsurusakiOita 13.1
- 54Narutochō-mitsuishiTokushima 13.1
- 56TsuMie 13.0
- 56HigashihiroshimaHiroshima 13.0
- 58YukuhashiFukuoka 12.9
- 58AnanTokushima 12.9
- 58FukushimaFukushima 12.9
- 58TsushimaNagasaki 12.9
- 62TagawaFukuoka 12.8
- 62SandachōHyōgo 12.8
- 62MiyakonojōMiyazaki 12.8
- 65ShimonosekiYamaguchi 12.7
- 65KusatsuShiga 12.7
- 65KitakyushuFukuoka 12.7
- 65FukuroiShizuoka 12.7
- 65HiragiKagawa 12.7
- 70TakanabeMiyazaki 12.6
- 70TakahashiOkayama 12.6
- 70OnoHyōgo 12.6
- 70NishinomiyaHyōgo 12.6
- 70IzumisanoOsaka 12.6
- 70HimejiHyōgo 12.6
- 70AioiHyōgo 12.6
- 70HikariYamaguchi 12.6
- 70KosaiShizuoka 12.6
- 79TsuyamaOkayama 12.5
- 79SaikiOita 12.5
- 79ŌzuKumamoto 12.5
- 79ŌitaOita 12.5
- 79IkomaNara 12.5
- 79HōfuYamaguchi 12.5
- 79HandaAichi 12.5
- 79ShiroishiMiyagi 12.5
- 79HigashigōSaga 12.5
- 79ItoshimaFukuoka 12.5
- 89Uekimachi-mōnoKumamoto 12.4
- 89Tanushimarumachi-toyokiFukuoka 12.4
- 89SuzakaNagano 12.4
- 89Hondomachi-hondoKumamoto 12.4
- 89IwanumaMiyagi 12.4
- 89TsuchiuraIbaraki 12.4
- 89SōmaFukushima 12.4
- 89BuzenFukuoka 12.4
- 97TenriNara 12.3
- 97TakeharaHiroshima 12.3
- 97OkazakiAichi 12.3
- 97MieOita 12.3
- 97KanoyaKagoshima 12.3
- 97IkedachōTokushima 12.3
- 97HirakataOsaka 12.3
- 97FukuokaFukuoka 12.3
- 97HabikinoOsaka 12.3
- 97KogaFukuoka 12.3
- 97KotōKumamoto 12.3
- 97TōkaiAichi 12.3
- 97MimaTokushima 12.3
- 110UjiKyoto 12.2
- 110MinatoWakayama 12.2
- 110NyūzenToyama 12.2
- 110MiharaHiroshima 12.2
- 110KikuchiKumamoto 12.2
- 110KainanWakayama 12.2
- 110HikoneShiga 12.2
- 110NagatoYamaguchi 12.2
- 110YawatahamaEhime 12.2
- 110IgaMie 12.2
- 110JōyōKyoto 12.2
- 121ShibataNiigata 12.1
- 121SaikūMie 12.1
- 121OyamaTochigi 12.1
- 121ŌtakeHiroshima 12.1
- 121MinamataKumamoto 12.1
- 121KyotoKyoto 12.1
- 121HōryūjiNara 12.1
- 121JōetsuNiigata 12.1
- 121SugaiKyoto 12.1
- 130Imarichō-kōSaga 12.0
- 130IizukaFukuoka 12.0
- 130AsakaSaitama 12.0
- 133UbeYamaguchi 11.9
- 133NichinanMiyazaki 11.9
- 133MenumaSaitama 11.9
- 133KudamatsuYamaguchi 11.9
- 133KobeHyōgo 11.9
- 133KandaFukuoka 11.9
- 133IkarugaHyōgo 11.9
- 133HiroshimaHiroshima 11.9
- 133AgeoSaitama 11.9
- 133TakashimaShiga 11.9
- 133NiizaSaitama 11.9
- 133Higashi-MatsuyamaSaitama 11.9
- 145TokyoTokyo 11.8
- 145TakinomiyaKagawa 11.8
- 145OwaseMie 11.8
- 145NumazuShizuoka 11.8
- 145NōgataFukuoka 11.8
- 145Ōyanomachi-noboritateKumamoto 11.8
- 145KagoshimaKagoshima 11.8
- 145IseMie 11.8
- 145KikugawaShizuoka 11.8
- 145TatsunoHyōgo 11.8
- 145NantanKyoto 11.8
- 156TatebayashiGunma 11.7
- 156SōkaSaitama 11.7
- 156Shimo-tsumaIbaraki 11.7
- 156ShibukawaGunma 11.7
- 156SakadoSaitama 11.7
- 156ŌtaGunma 11.7
- 156KumamotoKumamoto 11.7
- 156FujiShizuoka 11.7
- 156ChikugoFukuoka 11.7
- 165TokonameAichi 11.6
- 165SusakiKochi 11.6
- 165SaseboNagasaki 11.6
- 165MaizuruKyoto 11.6
- 165KōnosuSaitama 11.6
- 165IwakuniYamaguchi 11.6
- 165ŌmihachimanShiga 11.6
- 165KumanoMie 11.6
- 165SadoNiigata 11.6
- 165SayamaOsaka 11.6
- 165KirishimaKagoshima 11.6
- 176HonmachiKumamoto 11.5
- 176YamaguchiYamaguchi 11.5
- 176TakaokaToyama 11.5
- 176NagoyaAichi 11.5
- 176NagahamaShiga 11.5
- 176KumagayaSaitama 11.5
- 176KawaguchiSaitama 11.5
- 176KashiwaraNara 11.5
- 176KamakuraKanagawa 11.5
- 176IwadeWakayama 11.5
- 176HannōSaitama 11.5
- 176ChiryūAichi 11.5
- 176AyabeKyoto 11.5
- 176MinawaKanagawa 11.5
- 176ChikuseiIbaraki 11.5
- 176ShūnanYamaguchi 11.5
- 192UtoKumamoto 11.4
- 192TakarazukaHyōgo 11.4
- 192NodaChiba 11.4
- 192NobeokaMiyazaki 11.4
- 192KogaFukuoka 11.4
- 192KasukabeSaitama 11.4
- 192KashimaSaga 11.4
- 192KakegawaShizuoka 11.4
- 192UwajimaEhime 11.4
- 192InabeMie 11.4
- 192ŌsakiMiyagi 11.4
- 192YamatoKanagawa 11.4
- 192MineYamaguchi 11.4
- 205Ureshinomachi-shimojukuSaga 11.3
- 205TokorozawaSaitama 11.3
- 205SanoTochigi 11.3
- 205KukichūōSaitama 11.3
- 205KofuYamanashi 11.3
- 205FukuchiyamaKyoto 11.3
- 205AraoKumamoto 11.3
- 205KizugawaKyoto 11.3
- 213YoriiSaitama 11.2
- 213YokotaTokyo 11.2
- 213YaeHiroshima 11.2
- 213ToyohashiAichi 11.2
- 213Sakai-nakajimaGunma 11.2
- 213ObamaFukui 11.2
- 213KameokaKyoto 11.2
- 213IidaNagano 11.2
- 213HashimotoWakayama 11.2
- 213GobōWakayama 11.2
- 213SagaeYamagata 11.2
- 213ImizuToyama 11.2
- 213YurihonjōAkita 11.2
- 213SennanOsaka 11.2
- 213SaitamaSaitama 11.2
- 213MunakataFukuoka 11.2
- 213KaminomaAichi 11.2
- 230TokushimaTokushima 11.1
- 230SendaiKagoshima 11.1
- 230ŌtsuShiga 11.1
- 230NagasakiNagasaki 11.1
- 230MatsueShimane 11.1
- 230KoshigayaSaitama 11.1
- 230GamagōriAichi 11.1
- 230ChichibuSaitama 11.1
- 230UkihaFukuoka 11.1
- 230KuwanaMie 11.1
- 230FuchūTokyo 11.1
- 230KunisakiOita 11.1
- 242YamagaKumamoto 11.0
- 242TondabayashichōOsaka 11.0
- 242TomiokaGunma 11.0
- 242TobaMie 11.0
- 242TakeoSaga 11.0
- 242MiyazuKyoto 11.0
- 242KurumeFukuoka 11.0
- 242Kamojimachō-jōgejimaTokushima 11.0
- 242InoKochi 11.0
- 242IchinomiyaAichi 11.0
- 242HimimachiToyama 11.0
- 242AnjōAichi 11.0
- 242YoshiokaMiyagi 11.0
- 242Natori-shiMiyagi 11.0
- 242MoriokaIwate 11.0
- 242KōriyamaFukushima 11.0
- 242AsoKumamoto 11.0
- 242YoshinogawaTokushima 11.0
- 260YanaiYamaguchi 10.9
- 260Ueno-ebisumachiMie 10.9
- 260TamanaKumamoto 10.9
- 260ShizuokaShizuoka 10.9
- 260SagaSaga 10.9
- 260MiyazakiMiyazaki 10.9
- 260MatsumotoNagano 10.9
- 260KurayoshiTottori 10.9
- 260KochiKochi 10.9
- 260Kashihara-shiNara 10.9
- 260KaratsuSaga 10.9
- 260Kanzakimachi-kanzakiSaga 10.9
- 260HiratsukaKanagawa 10.9
- 260HamamatsuShizuoka 10.9
- 260FujisawaKanagawa 10.9
- 260ChigasakiKanagawa 10.9
- 260SayamaSaitama 10.9
- 260NagaiYamagata 10.9
- 260AkitaAkita 10.9
- 260ShintomiMiyazaki 10.9
- 260HigashimatsushimaMiyagi 10.9
- 260NoboritoKanagawa 10.9
- 260TakuSaga 10.9
- 283YokohamaKanagawa 10.8
- 283UtsunomiyaTochigi 10.8
- 283ToyonakaOsaka 10.8
- 283TosuSaga 10.8
- 283NakamaFukuoka 10.8
- 283KiryūGunma 10.8
- 283Kaseda-shirakameKagoshima 10.8
- 283KaminokawaTochigi 10.8
- 283IzumiOsaka 10.8
- 283KimitsuChiba 10.8
- 283Tagajō-shiMiyagi 10.8
- 283WakasugiFukuoka 10.8
- 283AmaAichi 10.8
- 296UozuToyama 10.7
- 296SakaiminatoTottori 10.7
- 296ŌtsukiYamanashi 10.7
- 296MinamirinkanKanagawa 10.7
- 296MikuniFukui 10.7
- 296JōsōIbaraki 10.7
- 296SusonoShizuoka 10.7
- 296OgaAkita 10.7
- 296HigashikurumeTokyo 10.7
- 305TsukumiuraOita 10.6
- 305ToyookaHyōgo 10.6
- 305Tottori-shiTottori 10.6
- 305TogitsuNagasaki 10.6
- 305MiyoshiHiroshima 10.6
- 305KobayashiMiyazaki 10.6
- 305Kameda-honchōNiigata 10.6
- 305IzumiKagoshima 10.6
- 305InuyamaAichi 10.6
- 305GionHiroshima 10.6
- 305MiuraKanagawa 10.6
- 305MatsushimaMiyagi 10.6
- 305IshiokaIbaraki 10.6
- 305KasugaFukuoka 10.6
- 305Aizu-WakamatsuFukushima 10.6
- 320TsubataIshikawa 10.5
- 320SetoAichi 10.5
- 320KitahamaShiga 10.5
- 320KashiwaChiba 10.5
- 320YamagataYamagata 10.5
- 320NakaIbaraki 10.5
- 320BandōIbaraki 10.5
- 320KōkaShiga 10.5
- 320Kawachi-NaganoOsaka 10.5
- 320AzaminoKanagawa 10.5
- 320KodairaTokyo 10.5
- 331AtsugiKanagawa 10.4
- 331ItoigawaNiigata 10.4
- 331HitoyoshiKumamoto 10.4
- 331YachimataChiba 10.4
- 331KesennumaMiyagi 10.4
- 331EbinaKanagawa 10.4
- 331KagaIshikawa 10.4
- 331MatsuuraNagasaki 10.4
- 339YasugichōShimane 10.3
- 339ShinagawaEhime 10.3
- 339NiigataNiigata 10.3
- 339NakamuraKochi 10.3
- 339HamadaShimane 10.3
- 339GōtsuchōShimane 10.3
- 339FujiedaShizuoka 10.3
- 339KakudaMiyagi 10.3
- 339YonoOsaka 10.3
- 339MinamikyushuKagoshima 10.3
- 349YokosukaKanagawa 10.2
- 349TsurugaFukui 10.2
- 349ToyotaAichi 10.2
- 349ShimaMie 10.2
- 349MasudaShimane 10.2
- 349MachidaTokyo 10.2
- 349KushikinoKagoshima 10.2
- 349KisarazuChiba 10.2
- 349HakuiIshikawa 10.2
- 349YotsukaidōChiba 10.2
- 349MinamiuonumaNiigata 10.2
- 360ShironeNiigata 10.1
- 360ŌmuraNagasaki 10.1
- 360ŌmeTokyo 10.1
- 360Ōdachō-ōdaShimane 10.1
- 360ObitaNagasaki 10.1
- 360NumataGunma 10.1
- 360Niitsu-honchōNiigata 10.1
- 360HonjōSaitama 10.1
- 360HadanoKanagawa 10.1
- 360ChibaChiba 10.1
- 360KamisuIbaraki 10.1
- 360InashikiIbaraki 10.1
- 360OgōriFukuoka 10.1
- 373UrayasuChiba 10.0
- 373MifuneKumamoto 10.0
- 373MatsudoChiba 10.0
- 373KawagoeSaitama 10.0
- 373KanumaTochigi 10.0
- 373IwakiFukushima 10.0
- 373IchiharaChiba 10.0
- 373NisshinAichi 10.0
- 381ShingūWakayama 9.9
- 381TakatsukiOsaka 9.9
- 381SabaeFukui 9.9
- 381HekinanAichi 9.9
- 381Fukui-shiFukui 9.9
- 381AkiKochi 9.9
- 381YonezawaYamagata 9.9
- 381KinokawaWakayama 9.9
- 381NarashinoChiba 9.9
- 381KyōtangoKyoto 9.9
- 391UedaNagano 9.8
- 391TanabeWakayama 9.8
- 391SuwaNagano 9.8
- 391ShimadaShizuoka 9.8
- 391KurihamaKanagawa 9.8
- 391HagiYamaguchi 9.8
- 391AjikiChiba 9.8
- 391TomeMiyagi 9.8
- 391KamagayaChiba 9.8
- 391GotōNagasaki 9.8
- 391UnnanShimane 9.8
- 402TateyamaChiba 9.7
- 402ShimodaShizuoka 9.7
- 402GotembaShizuoka 9.7
- 402WakuyaMiyagi 9.7
- 402TorideIbaraki 9.7
- 402MookaTochigi 9.7
- 402ŌdateAkita 9.7
- 402AkishimaTokyo 9.7
- 402TonamiToyama 9.7
- 402SōsaChiba 9.7
- 402IzunokuniShizuoka 9.7
- 402YameFukuoka 9.7
- 402SaikaiNagasaki 9.7
- 415ToyamaToyama 9.6
- 415MatsutōIshikawa 9.6
- 415HamakitaShizuoka 9.6
- 415SakuraChiba 9.6
- 415YachiyoChiba 9.6
- 415MinamibōsōChiba 9.6
- 415SodegauraChiba 9.6
- 422TochigiTochigi 9.5
- 422ShinshiroAichi 9.5
- 422OdawaraKanagawa 9.5
- 422IzumoShimane 9.5
- 422IsahayaNagasaki 9.5
- 422AshikagaTochigi 9.5
- 422SendaiMiyagi 9.5
- 422ChikumaNagano 9.5
- 422KuriharaMiyagi 9.5
- 431SakuNagano 9.4
- 431NishiwakiHyōgo 9.4
- 431NanaoIshikawa 9.4
- 431NaganoNagano 9.4
- 431InaNagano 9.4
- 431HirosakiAomori 9.4
- 431InzaiChiba 9.4
- 431FujiyoshidaYamanashi 9.4
- 439YanagawaFukuoka 9.3
- 439OkayaNagano 9.3
- 439OgawamachiSaitama 9.3
- 439NakanojōGunma 9.3
- 439ShonaiYamagata 9.3
- 444TsuruokaYamagata 9.2
- 444NamerikawaToyama 9.2
- 444KomatsuIshikawa 9.2
- 444HachiōjiTokyo 9.2
- 444FujinomiyaShizuoka 9.2
- 444AnamizuIshikawa 9.2
- 444AiharaKanagawa 9.2
- 444ShinjōYamagata 9.2
- 444NaritaChiba 9.2
- 444MitoIbaraki 9.2
- 444HigashimurayamaTokyo 9.2
- 444IkiNagasaki 9.2
- 456YaitaTochigi 9.1
- 456MakiNiigata 9.1
- 456IwataShizuoka 9.1
- 456TōganeChiba 9.1
- 456HokotaIbaraki 9.1
- 456HachinoheAomori 9.1
- 456Minami-SōmaFukushima 9.1
- 456ShirakawaFukushima 9.1
- 464OnoFukui 9.0
- 464SawaraChiba 9.0
- 464MinamiashigaraKanagawa 9.0
- 464Minami-AlpsYamanashi 9.0
- 464NankokuKochi 9.0
- 469SumotoHyōgo 8.9
- 469NiimiOkayama 8.9
- 469OmigawaChiba 8.9
- 469ŌharaChiba 8.9
- 469MobaraChiba 8.9
- 469ChitoseHokkaido 8.9
- 469Hitachi-NakaIbaraki 8.9
- 476KanazawaIshikawa 8.8
- 476Kashima-shiIbaraki 8.8
- 476HigashineYamagata 8.8
- 476HanamakiIwate 8.8
- 480KasamaIbaraki 8.7
- 480ChoshiChiba 8.7
- 480AomoriAomori 8.7
- 483YokoshibaChiba 8.6
- 483IchinosekiIwate 8.6
- 485NoshiroAkita 8.5
- 485HitachiomiyaIbaraki 8.5
- 487ImaichiTochigi 8.4
- 488KamaishiIwate 8.3
- 488OyabeToyama 8.3
- 488NasukarasuyamaTochigi 8.3
- 488ŌshūIwate 8.3
- 492NagaokaNiigata 8.2
- 492YokoteAkita 8.2
- 494HakodateHokkaido 8.1
- 494TakizawaIwate 8.1
- 496NahaOkinawa 8.0
- 496KatsuuraChiba 8.0
- 496MuroranHokkaido 8.0
- 496KujiIwate 8.0
- 496AmamiKagoshima 8.0
- 501HitachiIbaraki 7.9
- 501ObihiroHokkaido 7.9
- 501MinamichitaAichi 7.9
- 504MiyakoIwate 7.8
- 504KitaibarakiIbaraki 7.8
- 506NonoichiIshikawa 7.6
- 506KogaIbaraki 7.6
- 508NagoOkinawa 7.3
- 509MiyakojimaOkinawa 7.1
- 510AsahikawaHokkaido 7.0
- 511SapporoHokkaido 6.7
- 512OkinawaOkinawa 6.4
- 512TomakomaiHokkaido 6.4
- 514KushiroHokkaido 6.1
- 514KitamiHokkaido 6.1
Good0–9.0
Moderate9.1–35.4
Sensitive groups35.5–55.4
Unhealthy55.5–125.4
Very unhealthy125.5–225.4
Hazardous225.5+