SmogRank / Countries / Japan / May 2026
Most polluted cities in Japan, May 2026
543 cities in Japan ranked by their average PM2.5 over the 31 days. Worst: Hita at 14.2 µg/m³, #246 of 2,243 cities in the world. Cleanest: Namerikawa at 4.7. A city needs measurements on 70% of the days to be ranked.
- 1HitaOita 14.2
- 2HigashineYamagata 13.8
- 3ChikugoFukuoka 13.7
- 4OnomichiHiroshima 13.1
- 5Tanushimarumachi-toyokiFukuoka 12.9
- 5ŌmutaFukuoka 12.9
- 5WakuyaMiyagi 12.9
- 8HigashigōSaga 12.8
- 9IshinomakiMiyagi 12.7
- 10Maebaru-chūōFukuoka 12.6
- 10FukuyamaHiroshima 12.6
- 12Hondomachi-hondoKumamoto 12.4
- 13Shin’ichiHiroshima 12.3
- 14Kanzakimachi-kanzakiSaga 12.1
- 14TsuchiuraIbaraki 12.1
- 16FukuokaFukuoka 11.9
- 16MinokamoGifu 11.9
- 18SagaSaga 11.6
- 18OnodaYamaguchi 11.6
- 18FukushimaFukushima 11.6
- 21Uekimachi-mōnoKumamoto 11.5
- 21TamanaKumamoto 11.5
- 21KashimaSaga 11.5
- 24NiihamaEhime 11.4
- 24MinamataKumamoto 11.4
- 24KogaFukuoka 11.4
- 24AraoKumamoto 11.4
- 28Ōyanomachi-noboritateKumamoto 11.3
- 28KurashikiOkayama 11.3
- 28SaijōEhime 11.3
- 31TomiokaGunma 11.2
- 31JōetsuNiigata 11.2
- 33KitakyushuFukuoka 11.1
- 33KikuchiKumamoto 11.1
- 33Kan’onjichōKagawa 11.1
- 33KotōKumamoto 11.1
- 33OgōriFukuoka 11.1
- 38MifuneKumamoto 11.0
- 38KasaokaOkayama 11.0
- 38ShiroishiMiyagi 11.0
- 38IwanumaMiyagi 11.0
- 38TakuSaga 11.0
- 43HonmachiKumamoto 10.9
- 43TogitsuNagasaki 10.9
- 43SaseboNagasaki 10.9
- 43KumamotoKumamoto 10.9
- 43Kodamachō-kodamaminamiSaitama 10.9
- 43ShikokuchūōEhime 10.9
- 49BeppuOita 10.8
- 50UtoKumamoto 10.7
- 50ShibukawaGunma 10.7
- 50ŌzuKumamoto 10.7
- 50IizukaFukuoka 10.7
- 50HimimachiToyama 10.7
- 55YoriiSaitama 10.6
- 55ShimonosekiYamaguchi 10.6
- 55NyūzenToyama 10.6
- 55Imarichō-kōSaga 10.6
- 55OwariasahiAichi 10.6
- 60TagawaFukuoka 10.5
- 60KandaFukuoka 10.5
- 60UkihaFukuoka 10.5
- 63TakeoSaga 10.4
- 63SendaiKagoshima 10.4
- 63KushikinoKagoshima 10.4
- 63KiryūGunma 10.4
- 63ItoigawaNiigata 10.4
- 63AsakaSaitama 10.4
- 63Natori-shiMiyagi 10.4
- 70TakaokaToyama 10.3
- 70TakanabeMiyazaki 10.3
- 70SusakiKochi 10.3
- 70ShibataNiigata 10.3
- 70MarugameKagawa 10.3
- 70KanoyaKagoshima 10.3
- 70KagoshimaKagoshima 10.3
- 70GyōdaSaitama 10.3
- 70MinawaKanagawa 10.3
- 70MoriokaIwate 10.3
- 70KamisuIbaraki 10.3
- 70ImizuToyama 10.3
- 70IrumaSaitama 10.3
- 70AsakuchiOkayama 10.3
- 84TosuSaga 10.2
- 84ŌtakeHiroshima 10.2
- 84NōgataFukuoka 10.2
- 84MenumaSaitama 10.2
- 84KureHiroshima 10.2
- 84WakasugiFukuoka 10.2
- 90ZentsujichóKagawa 10.1
- 90UbeYamaguchi 10.1
- 90TamanoOkayama 10.1
- 90TaharaAichi 10.1
- 90ŌmuraNagasaki 10.1
- 90HanyūSaitama 10.1
- 90ImabariEhime 10.1
- 90YoshiokaMiyagi 10.1
- 90KakudaMiyagi 10.1
- 90IwakiFukushima 10.1
- 90YameFukuoka 10.1
- 90BizenOkayama 10.1
- 102TsubataIshikawa 10.0
- 102TakayamaGifu 10.0
- 102TakamatsuKagawa 10.0
- 102TakahashiOkayama 10.0
- 102Sakai-nakajimaGunma 10.0
- 102SakadoSaitama 10.0
- 102NakanojōGunma 10.0
- 102MorohongōSaitama 10.0
- 102Kashima-shiIbaraki 10.0
- 102HachiōjiTokyo 10.0
- 102MatsuuraNagasaki 10.0
- 102ItoshimaFukuoka 10.0
- 114YokotaTokyo 9.9
- 114TsuruokaYamagata 9.9
- 114TatebayashiGunma 9.9
- 114MiyakonojōMiyazaki 9.9
- 114KogaFukuoka 9.9
- 114KaratsuSaga 9.9
- 114Kakogawachō-honmachiHyōgo 9.9
- 114IzumiKagoshima 9.9
- 114IsahayaNagasaki 9.9
- 114HigashiosakaOsaka 9.9
- 114HannōSaitama 9.9
- 114ChichibuSaitama 9.9
- 114SōmaFukushima 9.9
- 114OgaAkita 9.9
- 114MunakataFukuoka 9.9
- 129YukuhashiFukuoka 9.8
- 129ToyamaToyama 9.8
- 129OyamaTochigi 9.8
- 129ŌitaOita 9.8
- 129NumataGunma 9.8
- 129MinamirinkanKanagawa 9.8
- 129IwakuniYamaguchi 9.8
- 129Fukui-shiFukui 9.8
- 129MatsuyamaEhime 9.8
- 129Tagajō-shiMiyagi 9.8
- 129NiizaSaitama 9.8
- 129HiragiKagawa 9.8
- 129HyūgaMiyazaki 9.8
- 129HigashihiroshimaHiroshima 9.8
- 143TokonameAichi 9.7
- 143SōjaOkayama 9.7
- 143NagaokaNiigata 9.7
- 143MatsutōIshikawa 9.7
- 143Kaseda-shirakameKagoshima 9.7
- 143IgusaSaitama 9.7
- 143HekinanAichi 9.7
- 143AgeoSaitama 9.7
- 143KaniGifu 9.7
- 143KirishimaKagoshima 9.7
- 153Ureshinomachi-shimojukuSaga 9.6
- 153Shimo-tsumaIbaraki 9.6
- 153SakataYamagata 9.6
- 153NakamaFukuoka 9.6
- 153KashiwaraNara 9.6
- 153HitoyoshiKumamoto 9.6
- 153HijiOita 9.6
- 153FukuroiShizuoka 9.6
- 153SagaeYamagata 9.6
- 153InabeMie 9.6
- 153YurihonjōAkita 9.6
- 153KunisakiOita 9.6
- 165TenriNara 9.5
- 165MinatoWakayama 9.5
- 165SanoTochigi 9.5
- 165ŌtaGunma 9.5
- 165ObitaNagasaki 9.5
- 165MiharaHiroshima 9.5
- 165KukichūōSaitama 9.5
- 165InuyamaAichi 9.5
- 165HōryūjiNara 9.5
- 165HonjōSaitama 9.5
- 165NagaiYamagata 9.5
- 165HachinoheAomori 9.5
- 165KasugaFukuoka 9.5
- 165Higashi-MatsuyamaSaitama 9.5
- 165ShonaiYamagata 9.5
- 165MinamikyushuKagoshima 9.5
- 181TsurusakiOita 9.4
- 181TakeharaHiroshima 9.4
- 181NobeokaMiyazaki 9.4
- 181KumagayaSaitama 9.4
- 181KofuYamanashi 9.4
- 181KazoSaitama 9.4
- 181KanumaTochigi 9.4
- 181HiroshimaHiroshima 9.4
- 181AiharaKanagawa 9.4
- 181NakaIbaraki 9.4
- 181ŌdateAkita 9.4
- 181Minami-SōmaFukushima 9.4
- 181HigashimatsushimaMiyagi 9.4
- 181KodairaTokyo 9.4
- 195YokkaichiMie 9.3
- 195YanagawaFukuoka 9.3
- 195UozuToyama 9.3
- 195TsuyamaOkayama 9.3
- 195Tottori-shiTottori 9.3
- 195NanaoIshikawa 9.3
- 195KurayoshiTottori 9.3
- 195KōnosuSaitama 9.3
- 195IkedachōTokushima 9.3
- 195HokotaIbaraki 9.3
- 195MuroranHokkaido 9.3
- 195MatsusakaMie 9.3
- 195GotōNagasaki 9.3
- 208SuzukaMie 9.2
- 208NagahamaShiga 9.2
- 208ImaichiTochigi 9.2
- 208MatsushimaMiyagi 9.2
- 208KasamaIbaraki 9.2
- 208ChitoseHokkaido 9.2
- 208TonamiToyama 9.2
- 215UtsunomiyaTochigi 9.1
- 215TokorozawaSaitama 9.1
- 215TokiGifu 9.1
- 215SuzakaNagano 9.1
- 215ShironeNiigata 9.1
- 215ShidoKagawa 9.1
- 215HigashinozoeHyōgo 9.1
- 215NiigataNiigata 9.1
- 215NakatsuOita 9.1
- 215KoshigayaSaitama 9.1
- 215IwadeWakayama 9.1
- 215AshikagaTochigi 9.1
- 215AmagasakiHyōgo 9.1
- 215KōriyamaFukushima 9.1
- 215ChikuseiIbaraki 9.1
- 215ŌsakiMiyagi 9.1
- 215BuzenFukuoka 9.1
- 215KuwanaMie 9.1
- 233SōkaSaitama 9.0
- 233KariyaAichi 9.0
- 233FujiShizuoka 9.0
- 233ChigasakiKanagawa 9.0
- 233SayamaSaitama 9.0
- 233SendaiMiyagi 9.0
- 233AkitaAkita 9.0
- 233TakashimaShiga 9.0
- 233TsushimaNagasaki 9.0
- 233MineYamaguchi 9.0
- 233ShirakawaFukushima 9.0
- 233NantanKyoto 9.0
- 233ShūnanYamaguchi 9.0
- 246ShingūWakayama 8.9
- 246YawataKyoto 8.9
- 246Ueno-ebisumachiMie 8.9
- 246SekimachiGifu 8.9
- 246NumazuShizuoka 8.9
- 246MikuniFukui 8.9
- 246KomatsuIshikawa 8.9
- 246KawaguchiSaitama 8.9
- 246KawagoeSaitama 8.9
- 246Kameda-honchōNiigata 8.9
- 246KainanWakayama 8.9
- 246HakuiIshikawa 8.9
- 246HagiYamaguchi 8.9
- 246HikariYamaguchi 8.9
- 246IyoEhime 8.9
- 246SaitamaSaitama 8.9
- 246SaikaiNagasaki 8.9
- 246FuefukiYamanashi 8.9
- 264TokyoTokyo 8.8
- 264SaikūMie 8.8
- 264OkayamaOkayama 8.8
- 264OgawamachiSaitama 8.8
- 264NagoyaAichi 8.8
- 264NagasakiNagasaki 8.8
- 264KurihamaKanagawa 8.8
- 264KobayashiMiyazaki 8.8
- 264GifuGifu 8.8
- 264NagatoYamaguchi 8.8
- 264YonezawaYamagata 8.8
- 264KesennumaMiyagi 8.8
- 264HirosakiAomori 8.8
- 264HashimaGifu 8.8
- 264HigashikurumeTokyo 8.8
- 264FuchūTokyo 8.8
- 264MizuhoGifu 8.8
- 264TōkaiAichi 8.8
- 282AtsugiKanagawa 8.7
- 282OsakaOsaka 8.7
- 282NaganoNagano 8.7
- 282MasudaShimane 8.7
- 282KanazawaIshikawa 8.7
- 282KameyamaMie 8.7
- 282AnanTokushima 8.7
- 282NoshiroAkita 8.7
- 282AomoriAomori 8.7
- 291TsukumiuraOita 8.6
- 291ShimaMie 8.6
- 291OkazakiAichi 8.6
- 291Niitsu-honchōNiigata 8.6
- 291NichinanMiyazaki 8.6
- 291MachidaTokyo 8.6
- 291KyotoKyoto 8.6
- 291KishiwadaOsaka 8.6
- 291KasukabeSaitama 8.6
- 291KaminokawaTochigi 8.6
- 291KamakuraKanagawa 8.6
- 291HiratsukaKanagawa 8.6
- 291HandaAichi 8.6
- 291YamagataYamagata 8.6
- 291ShinjōYamagata 8.6
- 291IchinosekiIwate 8.6
- 291Misato, SaitamaSaitama 8.6
- 291SadoNiigata 8.6
- 291HigashimurayamaTokyo 8.6
- 291MinamichitaAichi 8.6
- 291YamatoKanagawa 8.6
- 291UnnanShimane 8.6
- 313YonagoTottori 8.5
- 313YanaiYamaguchi 8.5
- 313ToyookaHyōgo 8.5
- 313SakaiOsaka 8.5
- 313SabaeFukui 8.5
- 313OnoHyōgo 8.5
- 313NabariMie 8.5
- 313MiyoshiHiroshima 8.5
- 313MieOita 8.5
- 313KudamatsuYamaguchi 8.5
- 313IzumoShimane 8.5
- 313IseharaKanagawa 8.5
- 313IseMie 8.5
- 313IkarugaHyōgo 8.5
- 313HimejiHyōgo 8.5
- 313HikoneShiga 8.5
- 313AyabeKyoto 8.5
- 313KariyaHyōgo 8.5
- 313YokoteAkita 8.5
- 313MiyakoIwate 8.5
- 313MitoIbaraki 8.5
- 313ChibaChiba 8.5
- 313Hitachi-NakaIbaraki 8.5
- 313BandōIbaraki 8.5
- 313KikugawaShizuoka 8.5
- 313MinamiuonumaNiigata 8.5
- 313AzaminoKanagawa 8.5
- 313AmaAichi 8.5
- 313IkiNagasaki 8.5
- 313MimaTokushima 8.5
- 343YokohamaKanagawa 8.4
- 343YamaguchiYamaguchi 8.4
- 343ShizuokaShizuoka 8.4
- 343NishiwakiHyōgo 8.4
- 343KōtariKyoto 8.4
- 343KochiKochi 8.4
- 343IwataShizuoka 8.4
- 343HadanoKanagawa 8.4
- 343GamagōriAichi 8.4
- 343FukuchiyamaKyoto 8.4
- 343AioiHyōgo 8.4
- 343KimitsuChiba 8.4
- 343InashikiIbaraki 8.4
- 343KagaIshikawa 8.4
- 343Aizu-WakamatsuFukushima 8.4
- 343JōsōIbaraki 8.4
- 343NoboritoKanagawa 8.4
- 343YamanashiYamanashi 8.4
- 361AkashiHyōgo 8.3
- 361YoukaichiShiga 8.3
- 361YasugichōShimane 8.3
- 361TobaMie 8.3
- 361TakinomiyaKagawa 8.3
- 361TakatsukiOsaka 8.3
- 361ŌmeTokyo 8.3
- 361Narutochō-mitsuishiTokushima 8.3
- 361KashiwaChiba 8.3
- 361GionHiroshima 8.3
- 361KitaibarakiIbaraki 8.3
- 361AsoKumamoto 8.3
- 361Kawachi-NaganoOsaka 8.3
- 361IgaMie 8.3
- 375UedaNagano 8.2
- 375TsurugaFukui 8.2
- 375TochigiTochigi 8.2
- 375SakaiminatoTottori 8.2
- 375ObamaFukui 8.2
- 375NishinomiyaHyōgo 8.2
- 375Kashihara-shiNara 8.2
- 375KameokaKyoto 8.2
- 375HōfuYamaguchi 8.2
- 375FujisawaKanagawa 8.2
- 375SakuraChiba 8.2
- 375KinokawaWakayama 8.2
- 375SusonoShizuoka 8.2
- 375AyaseKanagawa 8.2
- 375TatsunoHyōgo 8.2
- 390UjiKyoto 8.1
- 390ŌtsukiYamanashi 8.1
- 390NakamuraKochi 8.1
- 390InoKochi 8.1
- 390IchinomiyaAichi 8.1
- 390HitachiomiyaIbaraki 8.1
- 390AkishimaTokyo 8.1
- 390InzaiChiba 8.1
- 390TomeMiyagi 8.1
- 399YaeHiroshima 8.0
- 399UenoharaYamanashi 8.0
- 399TanabeWakayama 8.0
- 399SakuNagano 8.0
- 399OdawaraKanagawa 8.0
- 399NodaChiba 8.0
- 399MaizuruKyoto 8.0
- 399KitahamaShiga 8.0
- 399IzumisanoOsaka 8.0
- 399GōtsuchōShimane 8.0
- 399GotembaShizuoka 8.0
- 399MiuraKanagawa 8.0
- 399IzunokuniShizuoka 8.0
- 399HabikinoOsaka 8.0
- 399YawatahamaEhime 8.0
- 399FujiyoshidaYamanashi 8.0
- 399KamagayaChiba 8.0
- 416UrayasuChiba 7.9
- 416TsuMie 7.9
- 416ToyotaAichi 7.9
- 416SuwaNagano 7.9
- 416SandachōHyōgo 7.9
- 416Ōdachō-ōdaShimane 7.9
- 416NishioAichi 7.9
- 416MiyazakiMiyazaki 7.9
- 416MakiNiigata 7.9
- 416KobeHyōgo 7.9
- 416IidaNagano 7.9
- 416HashimotoWakayama 7.9
- 416ChiryūAichi 7.9
- 416AtamiShizuoka 7.9
- 416MookaTochigi 7.9
- 416IshiokaIbaraki 7.9
- 416IchiharaChiba 7.9
- 416ShintomiMiyazaki 7.9
- 416ChikumaNagano 7.9
- 416EbinaKanagawa 7.9
- 416YachiyoChiba 7.9
- 416KosaiShizuoka 7.9
- 416Minami-AlpsYamanashi 7.9
- 416JōyōKyoto 7.9
- 416NarashinoChiba 7.9
- 416KaminomaAichi 7.9
- 442YaoOsaka 7.8
- 442SetoAichi 7.8
- 442ŌtsuShiga 7.8
- 442MiyazuKyoto 7.8
- 442MatsumotoNagano 7.8
- 442KusatsuShiga 7.8
- 442IzumiOsaka 7.8
- 442YotsukaidōChiba 7.8
- 442YachimataChiba 7.8
- 442TorideIbaraki 7.8
- 442HanamakiIwate 7.8
- 442OyabeToyama 7.8
- 442KumanoMie 7.8
- 442NasukarasuyamaTochigi 7.8
- 442KizugawaKyoto 7.8
- 457ToyohashiAichi 7.7
- 457TondabayashichōOsaka 7.7
- 457TajimiGifu 7.7
- 457ShinshiroAichi 7.7
- 457ShimodaShizuoka 7.7
- 457SaikiOita 7.7
- 457Nara-shiNara 7.7
- 457KisarazuChiba 7.7
- 457KakegawaShizuoka 7.7
- 457KakamigaharaGifu 7.7
- 457HirakataOsaka 7.7
- 457HamadaShimane 7.7
- 457GobōWakayama 7.7
- 457HitachiIbaraki 7.7
- 457HakodateHokkaido 7.7
- 457SōsaChiba 7.7
- 457KuriharaMiyagi 7.7
- 474YokosukaKanagawa 7.6
- 474TakarazukaHyōgo 7.6
- 474MatsueShimane 7.6
- 474MatsudoChiba 7.6
- 474IkomaNara 7.6
- 474FujinomiyaShizuoka 7.6
- 474AkiKochi 7.6
- 474MotosuGifu 7.6
- 474TakizawaIwate 7.6
- 483ToyonakaOsaka 7.5
- 483ShimadaShizuoka 7.5
- 483NiimiOkayama 7.5
- 483HamamatsuShizuoka 7.5
- 483AnjōAichi 7.5
- 483KujiIwate 7.5
- 483KaizuGifu 7.5
- 483SennanOsaka 7.5
- 483SugaiKyoto 7.5
- 483KyōtangoKyoto 7.5
- 493ShinagawaEhime 7.4
- 493OnoFukui 7.4
- 493Kamojimachō-jōgejimaTokushima 7.4
- 493IbiGifu 7.4
- 493AnamizuIshikawa 7.4
- 493NaritaChiba 7.4
- 493AjikiChiba 7.4
- 493MinamiashigaraKanagawa 7.4
- 493MinamibōsōChiba 7.4
- 493YoshinogawaTokushima 7.4
- 503TokushimaTokushima 7.3
- 503HamakitaShizuoka 7.3
- 503ŌmihachimanShiga 7.3
- 503FujiedaShizuoka 7.3
- 503UwajimaEhime 7.3
- 503SapporoHokkaido 7.3
- 509SawaraChiba 7.2
- 509ŌharaChiba 7.2
- 509NisshinAichi 7.2
- 512TateyamaChiba 7.1
- 512OkayaNagano 7.1
- 512NonoichiIshikawa 7.1
- 512NankokuKochi 7.1
- 516ŌamiChiba 7.0
- 516AmamiKagoshima 7.0
- 518KamaishiIwate 6.9
- 518TomakomaiHokkaido 6.9
- 518NasushiobaraTochigi 6.9
- 518SayamaOsaka 6.9
- 522YokoshibaChiba 6.8
- 522MobaraChiba 6.8
- 524OmigawaChiba 6.7
- 524KatsuuraChiba 6.7
- 524AsahikawaHokkaido 6.7
- 524ŌshūIwate 6.7
- 524YonoOsaka 6.7
- 529KogaIbaraki 6.6
- 529InaNagano 6.6
- 529TōganeChiba 6.6
- 532SodegauraChiba 6.5
- 533GeroGifu 6.4
- 534OwaseMie 6.3
- 534KōkaShiga 6.3
- 536ŌgakiGifu 6.2
- 537KitamiHokkaido 6.1
- 538KushiroHokkaido 6.0
- 539NahaOkinawa 5.9
- 539ObihiroHokkaido 5.9
- 541OkinawaOkinawa 5.6
- 542NagoOkinawa 5.5
- 543NamerikawaToyama 4.7
Good0–9.0
Moderate9.1–35.4
Sensitive groups35.5–55.4
Unhealthy55.5–125.4
Very unhealthy125.5–225.4
Hazardous225.5+
All cities in the world, May 2026 · Japan now
Use this board
SmogRank, most polluted cities in Japan, PM2.5, May 2026, smogrank.com/jp/history/2026-05 (accessed 2 Oct 2026).
You're welcome to reuse a single chart, image or figure with this citation and a link. Terms.