SmogRank / Countries / Japan / January 2026
Most polluted cities in Japan, January 2026
469 cities in Japan ranked by their average PM2.5 over the 31 days. Worst: Hita at 15.0 µg/m³, #494 of 2,047 cities in the world. Cleanest: Wakuya at 2.8. A city needs measurements on 70% of the days to be ranked.
- 1HitaOita 15.0
- 2OnomichiHiroshima 13.0
- 3MiyakonojōMiyazaki 12.7
- 4Uekimachi-mōnoKumamoto 12.5
- 5OnodaYamaguchi 12.0
- 6KumamotoKumamoto 11.7
- 7ŌzuKumamoto 11.3
- 8ŌmutaFukuoka 11.1
- 9Shin’ichiHiroshima 11.0
- 10KanoyaKagoshima 10.9
- 10HigashigōSaga 10.9
- 12KotōKumamoto 10.8
- 13Maebaru-chūōFukuoka 10.7
- 14Tanushimarumachi-toyokiFukuoka 10.6
- 14FukuyamaHiroshima 10.6
- 14HikariYamaguchi 10.6
- 17TamanoOkayama 10.5
- 17NakatsuOita 10.5
- 17ChikugoFukuoka 10.5
- 17AsakuchiOkayama 10.5
- 21TakamatsuKagawa 10.4
- 21SaseboNagasaki 10.4
- 21KurashikiOkayama 10.4
- 24YukuhashiFukuoka 10.3
- 24KikuchiKumamoto 10.3
- 24Imarichō-kōSaga 10.3
- 24FukuokaFukuoka 10.3
- 28TenriNara 10.2
- 28TakanabeMiyazaki 10.2
- 28SagaSaga 10.2
- 28HigashinozoeHyōgo 10.2
- 28KogaFukuoka 10.2
- 28TakuSaga 10.2
- 34KashimaSaga 10.1
- 34Kanzakimachi-kanzakiSaga 10.1
- 34BeppuOita 10.1
- 34SaijōEhime 10.1
- 34HigashihiroshimaHiroshima 10.1
- 39TosuSaga 10.0
- 39TakeoSaga 10.0
- 39ShidoKagawa 10.0
- 39BizenOkayama 10.0
- 43KaratsuSaga 9.9
- 44TamanaKumamoto 9.8
- 44NagatoYamaguchi 9.8
- 44KasugaFukuoka 9.8
- 44UkihaFukuoka 9.8
- 48Ōyanomachi-noboritateKumamoto 9.6
- 48KitakyushuFukuoka 9.6
- 50SōjaOkayama 9.5
- 50ShimonosekiYamaguchi 9.5
- 50MiyazakiMiyazaki 9.5
- 50KudamatsuYamaguchi 9.5
- 50Kan’onjichōKagawa 9.5
- 55YawataKyoto 9.4
- 55HōryūjiNara 9.4
- 55AmagasakiHyōgo 9.4
- 58AkashiHyōgo 9.3
- 59SekimachiGifu 9.2
- 59AraoKumamoto 9.2
- 61YanagawaFukuoka 9.1
- 61UtoKumamoto 9.1
- 61TakahashiOkayama 9.1
- 61NichinanMiyazaki 9.1
- 61KasaokaOkayama 9.1
- 61Kakogawachō-honmachiHyōgo 9.1
- 67SandachōHyōgo 9.0
- 67NishioAichi 9.0
- 67Narutochō-mitsuishiTokushima 9.0
- 67NagasakiNagasaki 9.0
- 67NabariMie 9.0
- 67KōtariKyoto 9.0
- 67KandaFukuoka 9.0
- 67KagoshimaKagoshima 9.0
- 67ShintomiMiyazaki 9.0
- 67TsushimaNagasaki 9.0
- 67ShikokuchūōEhime 9.0
- 78Ureshinomachi-shimojukuSaga 8.9
- 78NiihamaEhime 8.9
- 78Hondomachi-hondoKumamoto 8.9
- 78YotsukaidōChiba 8.9
- 78KirishimaKagoshima 8.9
- 78HyūgaMiyazaki 8.9
- 84SendaiKagoshima 8.8
- 84ŌtakeHiroshima 8.8
- 84HiroshimaHiroshima 8.8
- 84OwariasahiAichi 8.8
- 84ItoshimaFukuoka 8.8
- 89YamaguchiYamaguchi 8.7
- 89UbeYamaguchi 8.7
- 89TaharaAichi 8.7
- 89ChikuseiIbaraki 8.7
- 93NodaChiba 8.6
- 93KariyaAichi 8.6
- 93IzumiKagoshima 8.6
- 93KariyaHyōgo 8.6
- 93MatsuyamaEhime 8.6
- 93KaniGifu 8.6
- 93SugaiKyoto 8.6
- 93ShūnanYamaguchi 8.6
- 101TogitsuNagasaki 8.5
- 101NishinomiyaHyōgo 8.5
- 101MifuneKumamoto 8.5
- 101IyoEhime 8.5
- 105OnoHyōgo 8.4
- 106HonmachiKumamoto 8.3
- 106MinatoWakayama 8.3
- 106OyamaTochigi 8.3
- 106MarugameKagawa 8.3
- 106HashimotoWakayama 8.3
- 106WakasugiFukuoka 8.3
- 106YameFukuoka 8.3
- 106GotōNagasaki 8.3
- 114ZentsujichóKagawa 8.2
- 114Ueno-ebisumachiMie 8.2
- 114KyotoKyoto 8.2
- 114HandaAichi 8.2
- 114GyōdaSaitama 8.2
- 114YachimataChiba 8.2
- 114AsoKumamoto 8.2
- 114MatsuuraNagasaki 8.2
- 114IkiNagasaki 8.2
- 123SuzukaMie 8.1
- 123ŌmuraNagasaki 8.1
- 123KushikinoKagoshima 8.1
- 123KureHiroshima 8.1
- 123IwadeWakayama 8.1
- 123AioiHyōgo 8.1
- 123ImabariEhime 8.1
- 123AsahikawaHokkaido 8.1
- 123Misato, SaitamaSaitama 8.1
- 123MineYamaguchi 8.1
- 133YoukaichiShiga 8.0
- 133UjiKyoto 8.0
- 133TsukumiuraOita 8.0
- 133SaikiOita 8.0
- 133OkayamaOkayama 8.0
- 133KizugawaKyoto 8.0
- 139YaeHiroshima 7.9
- 139MinamataKumamoto 7.9
- 139Kaseda-shirakameKagoshima 7.9
- 139IwakuniYamaguchi 7.9
- 139HitoyoshiKumamoto 7.9
- 139SakuraChiba 7.9
- 139YawatahamaEhime 7.9
- 139MatsusakaMie 7.9
- 139JōyōKyoto 7.9
- 148YokkaichiMie 7.8
- 148OkazakiAichi 7.8
- 148ŌgakiGifu 7.8
- 148KobeHyōgo 7.8
- 148KobayashiMiyazaki 7.8
- 148IkedachōTokushima 7.8
- 148HimejiHyōgo 7.8
- 148IgaMie 7.8
- 156UtsunomiyaTochigi 7.7
- 156TsuMie 7.7
- 156TanabeWakayama 7.7
- 156TakarazukaHyōgo 7.7
- 156KusatsuShiga 7.7
- 156KameyamaMie 7.7
- 156IsahayaNagasaki 7.7
- 156YachiyoChiba 7.7
- 156TatsunoHyōgo 7.7
- 156MinamikyushuKagoshima 7.7
- 166ŌtaGunma 7.6
- 166NishiwakiHyōgo 7.6
- 166Kashihara-shiNara 7.6
- 166KameokaKyoto 7.6
- 166MiyakojimaOkinawa 7.6
- 166NantanKyoto 7.6
- 172YanaiYamaguchi 7.5
- 172SumotoHyōgo 7.5
- 172NobeokaMiyazaki 7.5
- 172MieOita 7.5
- 172IkomaNara 7.5
- 172IkarugaHyōgo 7.5
- 172HanyūSaitama 7.5
- 172SōsaChiba 7.5
- 180Tottori-shiTottori 7.4
- 180TokiGifu 7.4
- 180KashiwaChiba 7.4
- 180KakamigaharaGifu 7.4
- 180KainanWakayama 7.4
- 180HagiYamaguchi 7.4
- 180GobōWakayama 7.4
- 180GionHiroshima 7.4
- 180ChiryūAichi 7.4
- 180MinawaKanagawa 7.4
- 180UwajimaEhime 7.4
- 180ChitoseHokkaido 7.4
- 192TsuyamaOkayama 7.3
- 192SōkaSaitama 7.3
- 192OwaseMie 7.3
- 192Ōdachō-ōdaShimane 7.3
- 192NahaOkinawa 7.3
- 192KochiKochi 7.3
- 192HōfuYamaguchi 7.3
- 192GōtsuchōShimane 7.3
- 192NakaIbaraki 7.3
- 192KumanoMie 7.3
- 192HiragiKagawa 7.3
- 192KamagayaChiba 7.3
- 192NarashinoChiba 7.3
- 192TōkaiAichi 7.3
- 206TakeharaHiroshima 7.2
- 206SaikūMie 7.2
- 206ObitaNagasaki 7.2
- 206MasudaShimane 7.2
- 206KofuYamanashi 7.2
- 206KawaguchiSaitama 7.2
- 206KasukabeSaitama 7.2
- 206KashiwaraNara 7.2
- 206HamadaShimane 7.2
- 206AsakaSaitama 7.2
- 206TorideIbaraki 7.2
- 206ObihiroHokkaido 7.2
- 206KosaiShizuoka 7.2
- 219ToyonakaOsaka 7.1
- 219TokushimaTokushima 7.1
- 219NakamuraKochi 7.1
- 219MiharaHiroshima 7.1
- 219MatsueShimane 7.1
- 219KurayoshiTottori 7.1
- 219KukichūōSaitama 7.1
- 219KoshigayaSaitama 7.1
- 219KazoSaitama 7.1
- 219AyabeKyoto 7.1
- 219AgeoSaitama 7.1
- 219KinokawaWakayama 7.1
- 219SaitamaSaitama 7.1
- 219SaikaiNagasaki 7.1
- 233Nara-shiNara 7.0
- 233Fukui-shiFukui 7.0
- 233AjikiChiba 7.0
- 233HashimaGifu 7.0
- 237TakinomiyaKagawa 6.9
- 237Kamojimachō-jōgejimaTokushima 6.9
- 237IzumoShimane 6.9
- 237IseMie 6.9
- 237ŌmihachimanShiga 6.9
- 237AkiKochi 6.9
- 237ChibaChiba 6.9
- 237KitamiHokkaido 6.9
- 237KamisuIbaraki 6.9
- 237InzaiChiba 6.9
- 247YokotaTokyo 6.8
- 247TokyoTokyo 6.8
- 247TakayamaGifu 6.8
- 247SusakiKochi 6.8
- 247NyūzenToyama 6.8
- 247NagoyaAichi 6.8
- 247KaminokawaTochigi 6.8
- 247InoKochi 6.8
- 247NaritaChiba 6.8
- 247IchiharaChiba 6.8
- 257YonagoTottori 6.7
- 257SakaiminatoTottori 6.7
- 257SakadoSaitama 6.7
- 257KisarazuChiba 6.7
- 257AnjōAichi 6.7
- 257KimitsuChiba 6.7
- 257AmamiKagoshima 6.7
- 264SuzakaNagano 6.6
- 264ShinagawaEhime 6.6
- 264ShibataNiigata 6.6
- 264IgusaSaitama 6.6
- 264FukuchiyamaKyoto 6.6
- 269ToyookaHyōgo 6.5
- 269ToyohashiAichi 6.5
- 269TatebayashiGunma 6.5
- 269SanoTochigi 6.5
- 269KōnosuSaitama 6.5
- 269KakegawaShizuoka 6.5
- 269YokoshibaChiba 6.5
- 269ŌdateAkita 6.5
- 269NiizaSaitama 6.5
- 269Higashi-MatsuyamaSaitama 6.5
- 269NisshinAichi 6.5
- 269Minami-AlpsYamanashi 6.5
- 281ObamaFukui 6.4
- 281NagoOkinawa 6.4
- 281GotembaShizuoka 6.4
- 281FukuroiShizuoka 6.4
- 281MookaTochigi 6.4
- 281SusonoShizuoka 6.4
- 281YurihonjōAkita 6.4
- 288KogaIbaraki 6.3
- 288IchinomiyaAichi 6.3
- 288GamagōriAichi 6.3
- 288FujinomiyaShizuoka 6.3
- 288FujiShizuoka 6.3
- 288SawaraChiba 6.3
- 288MobaraChiba 6.3
- 288SodegauraChiba 6.3
- 288YoshinogawaTokushima 6.3
- 297AtsugiKanagawa 6.2
- 297KumagayaSaitama 6.2
- 297IshiokaIbaraki 6.2
- 297KōkaShiga 6.2
- 301ShingūWakayama 6.1
- 301YasugichōShimane 6.1
- 301TokorozawaSaitama 6.1
- 301ŌtsuShiga 6.1
- 301NumazuShizuoka 6.1
- 301MenumaSaitama 6.1
- 301MoriokaIwate 6.1
- 301BandōIbaraki 6.1
- 301IrumaSaitama 6.1
- 301AzaminoKanagawa 6.1
- 301KyōtangoKyoto 6.1
- 301UnnanShimane 6.1
- 313UrayasuChiba 6.0
- 313MaizuruKyoto 6.0
- 313IidaNagano 6.0
- 313HachiōjiTokyo 6.0
- 313TōganeChiba 6.0
- 313Hitachi-NakaIbaraki 6.0
- 313SadoNiigata 6.0
- 313HigashikurumeTokyo 6.0
- 313FuchūTokyo 6.0
- 313KaminomaAichi 6.0
- 323TomiokaGunma 5.9
- 323TakaokaToyama 5.9
- 323SetoAichi 5.9
- 323MiyoshiHiroshima 5.9
- 323KiryūGunma 5.9
- 323GifuGifu 5.9
- 323OmigawaChiba 5.9
- 323IshinomakiMiyagi 5.9
- 323ImizuToyama 5.9
- 323KodairaTokyo 5.9
- 323NankokuKochi 5.9
- 334ShibukawaGunma 5.8
- 334MikuniFukui 5.8
- 334MatsumotoNagano 5.8
- 334MatsudoChiba 5.8
- 334ChigasakiKanagawa 5.8
- 334AkitaAkita 5.8
- 334OgaAkita 5.8
- 334YamatoKanagawa 5.8
- 334MizuhoGifu 5.8
- 343UedaNagano 5.7
- 343ShimaMie 5.7
- 343Sakai-nakajimaGunma 5.7
- 343Kashima-shiIbaraki 5.7
- 343HikoneShiga 5.7
- 343HannōSaitama 5.7
- 343ChichibuSaitama 5.7
- 343SayamaSaitama 5.7
- 343JōetsuNiigata 5.7
- 352UozuToyama 5.6
- 352SuwaNagano 5.6
- 352ShizuokaShizuoka 5.6
- 352MiyazuKyoto 5.6
- 352HakuiIshikawa 5.6
- 352AiharaKanagawa 5.6
- 352MiyakoIwate 5.6
- 352SapporoHokkaido 5.6
- 352InabeMie 5.6
- 352KuwanaMie 5.6
- 362TajimiGifu 5.5
- 362HadanoKanagawa 5.5
- 362FujisawaKanagawa 5.5
- 362NoshiroAkita 5.5
- 366YokohamaKanagawa 5.4
- 366ToyotaAichi 5.4
- 366SabaeFukui 5.4
- 366NiimiOkayama 5.4
- 366MorohongōSaitama 5.4
- 366KawagoeSaitama 5.4
- 366MitoIbaraki 5.4
- 366MinokamoGifu 5.4
- 374TobaMie 5.3
- 374MachidaTokyo 5.3
- 374Kodamachō-kodamaminamiSaitama 5.3
- 374KamakuraKanagawa 5.3
- 374IwataShizuoka 5.3
- 379YoriiSaitama 5.2
- 379KanumaTochigi 5.2
- 379HamamatsuShizuoka 5.2
- 382TsurugaFukui 5.1
- 382ShimodaShizuoka 5.1
- 382NagahamaShiga 5.1
- 382InaNagano 5.1
- 382HiratsukaKanagawa 5.1
- 382KagaIshikawa 5.1
- 382KikugawaShizuoka 5.1
- 389TateyamaChiba 5.0
- 389MatsutōIshikawa 5.0
- 389KurihamaKanagawa 5.0
- 389HonjōSaitama 5.0
- 389OkinawaOkinawa 5.0
- 389MiuraKanagawa 5.0
- 389ShiroishiMiyagi 5.0
- 389ŌharaChiba 5.0
- 389EbinaKanagawa 5.0
- 398AtamiShizuoka 4.9
- 398AkishimaTokyo 4.9
- 398NasukarasuyamaTochigi 4.9
- 398FujiyoshidaYamanashi 4.9
- 402IbiGifu 4.8
- 402FujiedaShizuoka 4.8
- 402KasamaIbaraki 4.8
- 402IzunokuniShizuoka 4.8
- 406TsubataIshikawa 4.7
- 406NaganoNagano 4.7
- 406HakodateHokkaido 4.7
- 406NoboritoKanagawa 4.7
- 410YokosukaKanagawa 4.6
- 410OgawamachiSaitama 4.6
- 410NiigataNiigata 4.6
- 410KomatsuIshikawa 4.6
- 410KanazawaIshikawa 4.6
- 410IseharaKanagawa 4.6
- 410YokoteAkita 4.6
- 410HigashimatsushimaMiyagi 4.6
- 410HigashimurayamaTokyo 4.6
- 419OnoFukui 4.5
- 419HamakitaShizuoka 4.5
- 419KatsuuraChiba 4.5
- 419TonamiToyama 4.5
- 419MinamibōsōChiba 4.5
- 424YaitaTochigi 4.4
- 424ShimadaShizuoka 4.4
- 424NagaokaNiigata 4.4
- 424Kameda-honchōNiigata 4.4
- 424TomakomaiHokkaido 4.4
- 424HitachiomiyaIbaraki 4.4
- 424ChikumaNagano 4.4
- 424SōmaFukushima 4.4
- 432NumataGunma 4.3
- 432Natori-shiMiyagi 4.3
- 434NonoichiIshikawa 4.2
- 434NakanojōGunma 4.2
- 434HachinoheAomori 4.2
- 434AomoriAomori 4.2
- 434KaizuGifu 4.2
- 434MinamiuonumaNiigata 4.2
- 440SakuNagano 4.1
- 440OkayaNagano 4.1
- 440NanaoIshikawa 4.1
- 440KōriyamaFukushima 4.1
- 444ImaichiTochigi 4.0
- 444AnamizuIshikawa 4.0
- 444MatsushimaMiyagi 4.0
- 444KesennumaMiyagi 4.0
- 444IwanumaMiyagi 4.0
- 444TomeMiyagi 4.0
- 450YoshiokaMiyagi 3.9
- 450Tagajō-shiMiyagi 3.9
- 450IchinosekiIwate 3.9
- 450HanamakiIwate 3.9
- 450KushiroHokkaido 3.9
- 455Niitsu-honchōNiigata 3.8
- 455YamagataYamagata 3.8
- 455KitaibarakiIbaraki 3.8
- 458GeroGifu 3.7
- 458Aizu-WakamatsuFukushima 3.7
- 460SendaiMiyagi 3.6
- 460KakudaMiyagi 3.6
- 460ŌshūIwate 3.6
- 460TakizawaIwate 3.6
- 464ShironeNiigata 3.5
- 464KuriharaMiyagi 3.5
- 466MakiNiigata 3.3
- 467KamaishiIwate 3.1
- 468Minami-SōmaFukushima 3.0
- 469WakuyaMiyagi 2.8
Good0–9.0
Moderate9.1–35.4
Sensitive groups35.5–55.4
Unhealthy55.5–125.4
Very unhealthy125.5–225.4
Hazardous225.5+