SmogRank / World / Japan / February 2026
Most polluted cities in Japan, February 2026
530 cities in Japan ranked by their average PM2.5 over the 28 days. Worst: Hita at 18.7 µg/m³, #584 of 2,520 cities in the world. Cleanest: Namerikawa at 3.9. A city needs measurements on 70% of the days to be ranked.
← Hita 18.7 µg/m³
20 µg/m³0
- 1HitaOita 69
- 2OnomichiHiroshima 64
- 3FukuyamaHiroshima 62
- 4OnodaYamaguchi 61
- 5TakamatsuKagawa 61
- 6HigashinozoeHyōgo 61
- 6SaijōEhime 61
- 8HigashiosakaOsaka 61
- 9TaharaAichi 61
- 9Shimo-tsumaIbaraki 61
- 9ShidoKagawa 61
- 12Kan’onjichōKagawa 60
- 13MiyakonojōMiyazaki 60
- 13KurashikiOkayama 60
- 15AkashiHyōgo 60
- 15OsakaOsaka 60
- 17Tanushimarumachi-toyokiFukuoka 59
- 17TsuchiuraIbaraki 59
- 19AsakuchiOkayama 59
- 20ŌmutaFukuoka 59
- 20Kakogawachō-honmachiHyōgo 59
- 22Shin’ichiHiroshima 59
- 22KishiwadaOsaka 59
- 22KariyaAichi 59
- 22ShikokuchūōEhime 59
- 26NishioAichi 59
- 26Maebaru-chūōFukuoka 59
- 26AmagasakiHyōgo 59
- 26ImabariEhime 59
- 30Uekimachi-mōnoKumamoto 58
- 30TamanoOkayama 58
- 30KotōKumamoto 58
- 33TenriNara 58
- 33KumamotoKumamoto 58
- 33ChikuseiIbaraki 58
- 36HikariYamaguchi 58
- 37YawataKyoto 58
- 37SumotoHyōgo 58
- 37FukuokaFukuoka 58
- 40YukuhashiFukuoka 58
- 40AraoKumamoto 58
- 42YokkaichiMie 57
- 42SakaiOsaka 57
- 42ŌzuKumamoto 57
- 42HigashigōSaga 57
- 42HigashihiroshimaHiroshima 57
- 47ShimonosekiYamaguchi 57
- 47OnoHyōgo 57
- 47NishinomiyaHyōgo 57
- 47OgōriFukuoka 57
- 51SōjaOkayama 57
- 51KōtariKyoto 57
- 51KitakyushuFukuoka 57
- 51KikuchiKumamoto 57
- 51HōryūjiNara 57
- 51JōsōIbaraki 57
- 57TakanabeMiyazaki 57
- 57SuzukaMie 57
- 57KasaokaOkayama 57
- 57KogaFukuoka 57
- 57MatsusakaMie 57
- 62ZentsujichóKagawa 56
- 62YoukaichiShiga 56
- 62UbeYamaguchi 56
- 62Fukui-shiFukui 56
- 66TagawaFukuoka 56
- 66SandachōHyōgo 56
- 66OyamaTochigi 56
- 66NodaChiba 56
- 66NiihamaEhime 56
- 66NabariMie 56
- 66HyūgaMiyazaki 56
- 73YaoOsaka 56
- 73MinatoWakayama 56
- 73SaseboNagasaki 56
- 73MarugameKagawa 56
- 73AioiHyōgo 56
- 73MatsuyamaEhime 56
- 73SugaiKyoto 56
- 73BizenOkayama 56
- 73TōkaiAichi 56
- 82TamanaKumamoto 56
- 82SagaSaga 56
- 82NōgataFukuoka 56
- 82HandaAichi 56
- 82BeppuOita 56
- 82OwariasahiAichi 56
- 88TokonameAichi 56
- 88SekimachiGifu 56
- 88KobeHyōgo 56
- 88Kanzakimachi-kanzakiSaga 56
- 88NagatoYamaguchi 56
- 88KamisuIbaraki 56
- 88Misato, SaitamaSaitama 56
- 88KasugaFukuoka 56
- 96TosuSaga 55
- 96KusatsuShiga 55
- 96KanoyaKagoshima 55
- 96KakamigaharaGifu 55
- 96Imarichō-kōSaga 55
- 96IizukaFukuoka 55
- 96NakaIbaraki 55
- 103SōkaSaitama 55
- 103KudamatsuYamaguchi 55
- 103KashimaSaga 55
- 103IzumisanoOsaka 55
- 103IwakuniYamaguchi 55
- 103ŌdateAkita 55
- 109YanagawaFukuoka 55
- 109UjiKyoto 55
- 109KyotoKyoto 55
- 109KogaFukuoka 55
- 109KandaFukuoka 55
- 109KameyamaMie 55
- 109KagoshimaKagoshima 55
- 109HirakataOsaka 55
- 109KariyaHyōgo 55
- 109UkihaFukuoka 55
- 109TakuSaga 55
- 120TanabeWakayama 55
- 120TakeoSaga 55
- 120KameokaKyoto 55
- 120KosaiShizuoka 55
- 120HabikinoOsaka 55
- 125UtoKumamoto 55
- 125Narutochō-mitsuishiTokushima 55
- 125HimejiHyōgo 55
- 125IyoEhime 55
- 125HiragiKagawa 55
- 130TsuMie 55
- 130TakarazukaHyōgo 55
- 130TakahashiOkayama 55
- 130ŌtaGunma 55
- 130OkayamaOkayama 55
- 130NishiwakiHyōgo 55
- 130ŌmihachimanShiga 55
- 130JōyōKyoto 55
- 138ŌtakeHiroshima 54
- 138IwadeWakayama 54
- 138HashimotoWakayama 54
- 138AsakaSaitama 54
- 138TorideIbaraki 54
- 138KaniGifu 54
- 138ShūnanYamaguchi 54
- 145HonmachiKumamoto 54
- 145TokyoTokyo 54
- 145SaikūMie 54
- 145OkazakiAichi 54
- 145NobeokaMiyazaki 54
- 145KureHiroshima 54
- 145KainanWakayama 54
- 145IseMie 54
- 145AnanTokushima 54
- 145MinawaKanagawa 54
- 145YotsukaidōChiba 54
- 145SennanOsaka 54
- 145KirishimaKagoshima 54
- 158YamaguchiYamaguchi 54
- 158SuzakaNagano 54
- 158MifuneKumamoto 54
- 158IkarugaHyōgo 54
- 158Hondomachi-hondoKumamoto 54
- 158HashimaGifu 54
- 158MinamichitaAichi 54
- 158TsushimaNagasaki 54
- 158KizugawaKyoto 54
- 158KamagayaChiba 54
- 158ItoshimaFukuoka 54
- 169MiyazakiMiyazaki 54
- 169HiroshimaHiroshima 54
- 169HanyūSaitama 54
- 169BuzenFukuoka 54
- 173Ōyanomachi-noboritateKumamoto 54
- 173KashiwaraNara 54
- 173Kashihara-shiNara 54
- 173SayamaOsaka 54
- 173SaitamaSaitama 54
- 173YawatahamaEhime 54
- 173TatsunoHyōgo 54
- 173FuefukiYamanashi 54
- 181TsuyamaOkayama 53
- 181TsurusakiOita 53
- 181ToyohashiAichi 53
- 181NagoyaAichi 53
- 181KashiwaChiba 53
- 181HikoneShiga 53
- 181HekinanAichi 53
- 188MiharaHiroshima 53
- 188KawaguchiSaitama 53
- 188IzumiKagoshima 53
- 188IkedachōTokushima 53
- 188YachimataChiba 53
- 188IshiokaIbaraki 53
- 188HokotaIbaraki 53
- 195TobaMie 53
- 195TakeharaHiroshima 53
- 195ŌitaOita 53
- 195NichinanMiyazaki 53
- 195KazoSaitama 53
- 195IgusaSaitama 53
- 195HagiYamaguchi 53
- 195IshinomakiMiyagi 53
- 195IchiharaChiba 53
- 195MinamikyushuKagoshima 53
- 195NantanKyoto 53
- 206SakadoSaitama 53
- 206NakatsuOita 53
- 206NakamaFukuoka 53
- 206MatsueShimane 53
- 206KasukabeSaitama 53
- 206FukuchiyamaKyoto 53
- 206AyabeKyoto 53
- 206SōsaChiba 53
- 206IgaMie 53
- 206MineYamaguchi 53
- 216YaeHiroshima 53
- 216TondabayashichōOsaka 53
- 216SendaiKagoshima 53
- 216KobayashiMiyazaki 53
- 216KimitsuChiba 53
- 216SakuraChiba 53
- 216NiizaSaitama 53
- 216AzaminoKanagawa 53
- 216YameFukuoka 53
- 225TogitsuNagasaki 52
- 225MinamirinkanKanagawa 52
- 225KushikinoKagoshima 52
- 225KaratsuSaga 52
- 225IchinomiyaAichi 52
- 225GobōWakayama 52
- 225ChiryūAichi 52
- 225ChibaChiba 52
- 225WakasugiFukuoka 52
- 225KuwanaMie 52
- 235TokiGifu 52
- 235ShibataNiigata 52
- 235NagasakiNagasaki 52
- 235IzumiOsaka 52
- 235HōfuYamaguchi 52
- 235HachiōjiTokyo 52
- 235AsoKumamoto 52
- 235InashikiIbaraki 52
- 235ShintomiMiyazaki 52
- 235TakashimaShiga 52
- 235OgaAkita 52
- 235NarashinoChiba 52
- 247Ureshinomachi-shimojukuSaga 52
- 247ŌmuraNagasaki 52
- 247MieOita 52
- 247KukichūōSaitama 52
- 247AnjōAichi 52
- 247FukushimaFukushima 52
- 247YachiyoChiba 52
- 247YurihonjōAkita 52
- 247MizuhoGifu 52
- 247KaminomaAichi 52
- 257AtsugiKanagawa 52
- 257YokotaTokyo 52
- 257ToyonakaOsaka 52
- 257TakinomiyaKagawa 52
- 257NagahamaShiga 52
- 257MinamataKumamoto 52
- 257KōnosuSaitama 52
- 257Kashima-shiIbaraki 52
- 257ChigasakiKanagawa 52
- 257ChitoseHokkaido 52
- 257IrumaSaitama 52
- 257InabeMie 52
- 269YokohamaKanagawa 52
- 269YanaiYamaguchi 52
- 269UrayasuChiba 52
- 269Tottori-shiTottori 52
- 269TakaokaToyama 52
- 269Nara-shiNara 52
- 269KisarazuChiba 52
- 269Kaseda-shirakameKagoshima 52
- 269IsahayaNagasaki 52
- 269GamagōriAichi 52
- 269UwajimaEhime 52
- 269BandōIbaraki 52
- 269KinokawaWakayama 52
- 269FuchūTokyo 52
- 269MimaTokushima 52
- 284SusakiKochi 52
- 284SanoTochigi 52
- 284SaikiOita 52
- 284MenumaSaitama 52
- 284Kodamachō-kodamaminamiSaitama 52
- 284KaminokawaTochigi 52
- 284HannōSaitama 52
- 284FujisawaKanagawa 52
- 284MatsuuraNagasaki 52
- 284Kawachi-NaganoOsaka 52
- 284YamatoKanagawa 52
- 284AmaAichi 52
- 284GotōNagasaki 52
- 297MorohongōSaitama 51
- 297MaizuruKyoto 51
- 297KawagoeSaitama 51
- 297IkomaNara 51
- 297HitoyoshiKumamoto 51
- 297GifuGifu 51
- 297MookaTochigi 51
- 304ToyookaHyōgo 51
- 304KoshigayaSaitama 51
- 304KofuYamanashi 51
- 304GionHiroshima 51
- 304ImizuToyama 51
- 304AyaseKanagawa 51
- 310UtsunomiyaTochigi 51
- 310TsukumiuraOita 51
- 310TokushimaTokushima 51
- 310TokorozawaSaitama 51
- 310MiyazuKyoto 51
- 310KumagayaSaitama 51
- 310IwataShizuoka 51
- 310ShiroishiMiyagi 51
- 310NaritaChiba 51
- 310NagaiYamagata 51
- 310Higashi-MatsuyamaSaitama 51
- 310InzaiChiba 51
- 322KitahamaShiga 50
- 322Kamojimachō-jōgejimaTokushima 50
- 322HimimachiToyama 50
- 322FujiShizuoka 50
- 322MoriokaIwate 50
- 322NoshiroAkita 50
- 322JōetsuNiigata 50
- 322AmamiKagoshima 50
- 330TomiokaGunma 49
- 330TatebayashiGunma 49
- 330ShinagawaEhime 49
- 330ŌtsuShiga 49
- 330MatsudoChiba 49
- 330KogaIbaraki 49
- 330KochiKochi 49
- 330InuyamaAichi 49
- 330SayamaSaitama 49
- 330KōkaShiga 49
- 330KodairaTokyo 49
- 330SodegauraChiba 49
- 342ShimaMie 49
- 342ShibukawaGunma 49
- 342MiyoshiHiroshima 49
- 342KurihamaKanagawa 49
- 342IzumoShimane 49
- 342ChichibuSaitama 49
- 342MiyakoIwate 49
- 342EbinaKanagawa 49
- 342ŌsakiMiyagi 49
- 342HigashimatsushimaMiyagi 49
- 342NisshinAichi 49
- 342YonoOsaka 49
- 342IkiNagasaki 49
- 355UozuToyama 48
- 355NakamuraKochi 48
- 355KamakuraKanagawa 48
- 355KakegawaShizuoka 48
- 355GotembaShizuoka 48
- 355SapporoHokkaido 48
- 355ObihiroHokkaido 48
- 355AomoriAomori 48
- 363YoriiSaitama 48
- 363ToyotaAichi 48
- 363MasudaShimane 48
- 363KurayoshiTottori 48
- 363InoKochi 48
- 363TōganeChiba 48
- 363AjikiChiba 48
- 363SusonoShizuoka 48
- 363HigashikurumeTokyo 48
- 363KyōtangoKyoto 48
- 373TakayamaGifu 47
- 373NyūzenToyama 47
- 373MikuniFukui 47
- 373KiryūGunma 47
- 373KanumaTochigi 47
- 373HadanoKanagawa 47
- 373GōtsuchōShimane 47
- 373KasamaIbaraki 47
- 373HirosakiAomori 47
- 373HachinoheAomori 47
- 373AsahikawaHokkaido 47
- 373SadoNiigata 47
- 373NoboritoKanagawa 47
- 386SakaiminatoTottori 47
- 386ObamaFukui 47
- 386NumazuShizuoka 47
- 386MachidaTokyo 47
- 386YokoshibaChiba 47
- 386Natori-shiMiyagi 47
- 386MuroranHokkaido 47
- 393TakatsukiOsaka 46
- 393ŌtsukiYamanashi 46
- 393Ōdachō-ōdaShimane 46
- 393ObitaNagasaki 46
- 393NiigataNiigata 46
- 393ItoigawaNiigata 46
- 393IbiGifu 46
- 393HiratsukaKanagawa 46
- 393AshikagaTochigi 46
- 393KitamiHokkaido 46
- 393HakodateHokkaido 46
- 404YonagoTottori 46
- 404UedaNagano 46
- 404HamamatsuShizuoka 46
- 404Tagajō-shiMiyagi 46
- 404ShinjōYamagata 46
- 404ŌamiChiba 46
- 404AkitaAkita 46
- 404KumanoMie 46
- 404ShonaiYamagata 46
- 413SetoAichi 45
- 413HonjōSaitama 45
- 413HamadaShimane 45
- 413FujiedaShizuoka 45
- 413AkiKochi 45
- 413AiharaKanagawa 45
- 413YoshiokaMiyagi 45
- 413KikugawaShizuoka 45
- 413UnnanShimane 45
- 422YokosukaKanagawa 44
- 422TsubataIshikawa 44
- 422TajimiGifu 44
- 422NagaokaNiigata 44
- 422MiuraKanagawa 44
- 422MobaraChiba 44
- 422MiyakojimaOkinawa 44
- 422MinokamoGifu 44
- 422MinamiuonumaNiigata 44
- 431ShingūWakayama 44
- 431NahaOkinawa 44
- 431IshigakiOkinawa 44
- 431HakuiIshikawa 44
- 431SagaeYamagata 44
- 431MatsushimaMiyagi 44
- 431KesennumaMiyagi 44
- 431TomeMiyagi 44
- 431SaikaiNagasaki 44
- 440YasugichōShimane 43
- 440TsuruokaYamagata 43
- 440MatsumotoNagano 43
- 440Kameda-honchōNiigata 43
- 440IseharaKanagawa 43
- 440YonezawaYamagata 43
- 440YamagataYamagata 43
- 440NankokuKochi 43
- 440YoshinogawaTokushima 43
- 449ToyamaToyama 43
- 449SabaeFukui 43
- 449OwaseMie 43
- 449NagoOkinawa 43
- 449IidaNagano 43
- 449KakudaMiyagi 43
- 449IwakiFukushima 43
- 449Hitachi-NakaIbaraki 43
- 449Minami-AlpsYamanashi 43
- 458TsurugaFukui 42
- 458NaganoNagano 42
- 458MatsutōIshikawa 42
- 458AtamiShizuoka 42
- 458YokoteAkita 42
- 458OmigawaChiba 42
- 458KōriyamaFukushima 42
- 458IwanumaMiyagi 42
- 458TonamiToyama 42
- 467TateyamaChiba 42
- 467ShironeNiigata 42
- 467ŌgakiGifu 42
- 467SawaraChiba 42
- 467KaizuGifu 42
- 472SendaiMiyagi 41
- 472ŌharaChiba 41
- 472HitachiomiyaIbaraki 41
- 472SōmaFukushima 41
- 472MinamibōsōChiba 41
- 477SuwaNagano 41
- 477ShimadaShizuoka 41
- 477OnoFukui 41
- 477OdawaraKanagawa 41
- 477NanaoIshikawa 41
- 477KanazawaIshikawa 41
- 477IchinosekiIwate 41
- 477IzunokuniShizuoka 41
- 485ŌmeTokyo 40
- 485OgawamachiSaitama 40
- 485NiimiOkayama 40
- 485HamakitaShizuoka 40
- 485NasukarasuyamaTochigi 40
- 490ShizuokaShizuoka 39
- 490Niitsu-honchōNiigata 39
- 490AkishimaTokyo 39
- 490KuriharaMiyagi 39
- 490HigashimurayamaTokyo 39
- 495YaitaTochigi 39
- 495NakanojōGunma 39
- 495HigashineYamagata 39
- 498KomatsuIshikawa 38
- 498HanamakiIwate 38
- 498ChikumaNagano 38
- 498KagaIshikawa 38
- 498FujiyoshidaYamanashi 38
- 503NumataGunma 38
- 503AnamizuIshikawa 38
- 503OyabeToyama 38
- 503ŌshūIwate 38
- 507UenoharaYamanashi 37
- 507ImaichiTochigi 37
- 507WakuyaMiyagi 37
- 507TomakomaiHokkaido 37
- 507MinamiashigaraKanagawa 37
- 512MakiNiigata 36
- 512OkinawaOkinawa 36
- 512Aizu-WakamatsuFukushima 36
- 512ShirakawaFukushima 36
- 516SakuNagano 36
- 516KitaibarakiIbaraki 36
- 518InaNagano 35
- 518KatsuuraChiba 35
- 520HitachiIbaraki 34
- 520KushiroHokkaido 34
- 520KujiIwate 34
- 520TakizawaIwate 34
- 524OkayaNagano 34
- 525Minami-SōmaFukushima 33
- 526NonoichiIshikawa 33
- 527KamaishiIwate 32
- 528Sakai-nakajimaGunma 32
- 529GeroGifu 27
- 530NamerikawaToyama 22
Good0–50
Moderate51–100
Sensitive groups101–150
Unhealthy151–200
Very unhealthy201–300
Hazardous301+
The US EPA's Air Quality Index for PM2.5 (2024 breakpoints). Show values as: µg/m³ · US AQI · India AQI · China AQI · European AQI · UK DAQI · Canada AQHI+. About the scales
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SmogRank, most polluted cities in Japan, PM2.5, February 2026, smogrank.com/jp/history/2026-02 (accessed 2 Oct 2026).
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