SmogRank / World / Japan / September 2023
Most polluted cities in Japan, September 2023
514 cities in Japan ranked by their average PM2.5 over the 30 days. Worst: Nagai at 15.9 µg/m³, #95 of 1,830 cities in the world. Cleanest: Obihiro at 3.6. A city needs measurements on 70% of the days to be ranked.
← Nagai 15.9
- 1NagaiYamagata 64
- 2MinamataKumamoto 61
- 2IyoEhime 61
- 4HonmachiKumamoto 60
- 5TakasakiGunma 58
- 5NiihamaEhime 58
- 7KasaokaOkayama 58
- 8YatomiAichi 57
- 9SanoTochigi 57
- 10ShikokuchūōEhime 57
- 11TamanaKumamoto 56
- 12ŌtsukiYamanashi 55
- 12KirishimaKagoshima 55
- 12BizenOkayama 55
- 15Kan’onjichōKagawa 55
- 15FujinomiyaShizuoka 55
- 17NakatsuOita 54
- 17ImabariEhime 54
- 19MiyakonojōMiyazaki 54
- 19KiryūGunma 54
- 19ChikuseiIbaraki 54
- 22Uekimachi-mōnoKumamoto 54
- 23TsurusakiOita 54
- 23SandachōHyōgo 54
- 23Nara-shiNara 54
- 23MimaTokushima 54
- 27SendaiKagoshima 53
- 27IkedachōTokushima 53
- 27SaijōEhime 53
- 30ŌzuKumamoto 53
- 30MatsuyamaEhime 53
- 32KazoSaitama 53
- 33KagoshimaKagoshima 53
- 34TatsunoHyōgo 53
- 35ZentsujichóKagawa 52
- 35Hondomachi-hondoKumamoto 52
- 35GyōdaSaitama 52
- 35MinamikyushuKagoshima 52
- 39ŌmutaFukuoka 52
- 39ŌitaOita 52
- 39Kanzakimachi-kanzakiSaga 52
- 39HitoyoshiKumamoto 52
- 43UozuToyama 52
- 43KobayashiMiyazaki 52
- 43IzumiKagoshima 52
- 43YameFukuoka 52
- 47YamagaKumamoto 52
- 47MarugameKagawa 52
- 47KureHiroshima 52
- 47Kaseda-shirakameKagoshima 52
- 47KotōKumamoto 52
- 47AraoKumamoto 52
- 53UtoKumamoto 52
- 53KochiKochi 52
- 53FukuyamaHiroshima 52
- 53UkihaFukuoka 52
- 57TamanoOkayama 52
- 57IshinomakiMiyagi 52
- 59OkayaNagano 51
- 59KurumeFukuoka 51
- 59KumamotoKumamoto 51
- 59KitakyushuFukuoka 51
- 59KashimaSaga 51
- 59IgusaSaitama 51
- 59AshikagaTochigi 51
- 59Misato, SaitamaSaitama 51
- 59SayamaOsaka 51
- 68SaikiOita 51
- 68OnomichiHiroshima 51
- 68NobeokaMiyazaki 51
- 68MiharaHiroshima 51
- 68KofuYamanashi 51
- 68KogaFukuoka 51
- 68AyaseKanagawa 51
- 75TakaokaToyama 51
- 75SaseboNagasaki 51
- 75ŌmuraNagasaki 51
- 75NamerikawaToyama 51
- 75NagasakiNagasaki 51
- 75AgeoSaitama 51
- 81Ureshinomachi-shimojukuSaga 50
- 81TakanabeMiyazaki 50
- 81TakahashiOkayama 50
- 81ObitaNagasaki 50
- 81Kashihara-shiNara 50
- 81Kakogawachō-honmachiHyōgo 50
- 81HikoneShiga 50
- 88YokkaichiMie 49
- 88TogitsuNagasaki 49
- 88Shin’ichiHiroshima 49
- 88ShidoKagawa 49
- 88ŌtakeHiroshima 49
- 88NagahamaShiga 49
- 88MifuneKumamoto 49
- 88Maebaru-chūōFukuoka 49
- 88KyotoKyoto 49
- 88KurashikiOkayama 49
- 88IwakuniYamaguchi 49
- 88IizukaFukuoka 49
- 88AomoriAomori 49
- 88IrumaSaitama 49
- 102ToyamaToyama 49
- 102TatebayashiGunma 49
- 102OnodaYamaguchi 49
- 102ŌmeTokyo 49
- 102MinamirinkanKanagawa 49
- 102IwadeWakayama 49
- 102IsahayaNagasaki 49
- 102Imarichō-kōSaga 49
- 102HanyūSaitama 49
- 102GifuGifu 49
- 102AiharaKanagawa 49
- 102SagaeYamagata 49
- 114Shimo-tsumaIbaraki 48
- 114SakataYamagata 48
- 114Kodamachō-kodamaminamiSaitama 48
- 114IkomaNara 48
- 114FukuokaFukuoka 48
- 114TsuchiuraIbaraki 48
- 114HigashigōSaga 48
- 121TsuyamaOkayama 48
- 121TsuruokaYamagata 48
- 121TsuMie 48
- 121SōjaOkayama 48
- 121MinatoWakayama 48
- 121MenumaSaitama 48
- 121KashiwaraNara 48
- 121ChigasakiKanagawa 48
- 121NakaIbaraki 48
- 121HitachiomiyaIbaraki 48
- 121TakashimaShiga 48
- 121InabeMie 48
- 121HigashihiroshimaHiroshima 48
- 121KunisakiOita 48
- 135KandaFukuoka 47
- 135NeyagawaOsaka 47
- 135IgaMie 47
- 135KuwanaMie 47
- 139AkashiHyōgo 47
- 139YoukaichiShiga 47
- 139UbeYamaguchi 47
- 139SuzukaMie 47
- 139ShibukawaGunma 47
- 139SekimachiGifu 47
- 139SakaiOsaka 47
- 139OkayamaOkayama 47
- 139NagoyaAichi 47
- 139ImaichiTochigi 47
- 139HōfuYamaguchi 47
- 139MinawaKanagawa 47
- 139OwariasahiAichi 47
- 139BuzenFukuoka 47
- 139SugaiKyoto 47
- 139TakuSaga 47
- 139MineYamaguchi 47
- 139TōkaiAichi 47
- 139ShūnanYamaguchi 47
- 158YanaiYamaguchi 46
- 158YamaguchiYamaguchi 46
- 158ObamaFukui 46
- 158NabariMie 46
- 158MiyazakiMiyazaki 46
- 158MikuniFukui 46
- 158HandaAichi 46
- 158GionHiroshima 46
- 158AyabeKyoto 46
- 158YonezawaYamagata 46
- 158ShinjōYamagata 46
- 158JōetsuNiigata 46
- 158NantanKyoto 46
- 171YoriiSaitama 46
- 171YawataKyoto 46
- 171UjiKyoto 46
- 171SagaSaga 46
- 171HigashinozoeHyōgo 46
- 171FukuroiShizuoka 46
- 171AnanTokushima 46
- 171IwanumaMiyagi 46
- 171FukushimaFukushima 46
- 171NiizaSaitama 46
- 171HashimaGifu 46
- 171HyūgaMiyazaki 46
- 171KodairaTokyo 46
- 171SaikaiNagasaki 46
- 185YaeHiroshima 45
- 185UtsunomiyaTochigi 45
- 185TakeoSaga 45
- 185TaharaAichi 45
- 185ShimonosekiYamaguchi 45
- 185OkazakiAichi 45
- 185Narutochō-mitsuishiTokushima 45
- 185NagoOkinawa 45
- 185KaminokawaTochigi 45
- 185HigashiosakaOsaka 45
- 185YoshiokaMiyagi 45
- 185AkishimaTokyo 45
- 185KaizuGifu 45
- 185OgōriFukuoka 45
- 185JōyōKyoto 45
- 185AsakuchiOkayama 45
- 201YukuhashiFukuoka 44
- 201Tottori-shiTottori 44
- 201ŌtsuShiga 44
- 201KōnosuSaitama 44
- 201IwataShizuoka 44
- 201IkarugaHyōgo 44
- 201Fukui-shiFukui 44
- 201AnjōAichi 44
- 201Natori-shiMiyagi 44
- 201KōriyamaFukushima 44
- 201MatsuuraNagasaki 44
- 201Higashi-MatsuyamaSaitama 44
- 201MinokamoGifu 44
- 201MatsusakaMie 44
- 201ItoshimaFukuoka 44
- 216YaitaTochigi 44
- 216TakamatsuKagawa 44
- 216MiyoshiHiroshima 44
- 216KogaFukuoka 44
- 216IzumoShimane 44
- 216IchinomiyaAichi 44
- 216ImizuToyama 44
- 216YawatahamaEhime 44
- 216GotōNagasaki 44
- 225YaoOsaka 43
- 225TosuSaga 43
- 225TakinomiyaKagawa 43
- 225TajimiGifu 43
- 225SetoAichi 43
- 225NyūzenToyama 43
- 225NōgataFukuoka 43
- 225NichinanMiyazaki 43
- 225ChiryūAichi 43
- 225ChichibuSaitama 43
- 225AmagasakiHyōgo 43
- 225MookaTochigi 43
- 225KōkaShiga 43
- 225Kawachi-NaganoOsaka 43
- 225MizuhoGifu 43
- 240TokorozawaSaitama 43
- 240TenriNara 43
- 240TakeharaHiroshima 43
- 240TagawaFukuoka 43
- 240SuwaNagano 43
- 240SaikūMie 43
- 240OyamaTochigi 43
- 240OsakaOsaka 43
- 240OnoHyōgo 43
- 240KukichūōSaitama 43
- 240KudamatsuYamaguchi 43
- 240KawaguchiSaitama 43
- 240HonjōSaitama 43
- 240HiroshimaHiroshima 43
- 240HimejiHyōgo 43
- 240SayamaSaitama 43
- 240KaminomaAichi 43
- 257TobaMie 42
- 257TakarazukaHyōgo 42
- 257ShibataNiigata 42
- 257SakadoSaitama 42
- 257NishinomiyaHyōgo 42
- 257MiyazuKyoto 42
- 257KameokaKyoto 42
- 257HadanoKanagawa 42
- 257HachiōjiTokyo 42
- 257AtamiShizuoka 42
- 257AsakaSaitama 42
- 257IwakiFukushima 42
- 257ChibaChiba 42
- 257KizugawaKyoto 42
- 271YasugichōShimane 42
- 271TsukumiuraOita 42
- 271TomiokaGunma 42
- 271OwaseMie 42
- 271KōtariKyoto 42
- 271KawagoeSaitama 42
- 271KasukabeSaitama 42
- 271Kamojimachō-jōgejimaTokushima 42
- 271HagiYamaguchi 42
- 271FukuchiyamaKyoto 42
- 271UwajimaEhime 42
- 271YamagataYamagata 42
- 271HigashineYamagata 42
- 284TsurugaFukui 41
- 284TokonameAichi 41
- 284Sakai-nakajimaGunma 41
- 284NishioAichi 41
- 284NakanojōGunma 41
- 284NakamaFukuoka 41
- 284MatsumotoNagano 41
- 284KusatsuShiga 41
- 284KitahamaShiga 41
- 284HiratsukaKanagawa 41
- 284HirakataOsaka 41
- 284ChitoseHokkaido 41
- 284BandōIbaraki 41
- 284JōsōIbaraki 41
- 284ŌsakiMiyagi 41
- 284HiragiKagawa 41
- 284HigashikurumeTokyo 41
- 284AridaWakayama 41
- 302Ueno-ebisumachiMie 41
- 302KobeHyōgo 41
- 302KishiwadaOsaka 41
- 302KameyamaMie 41
- 302IzumisanoOsaka 41
- 302HimimachiToyama 41
- 302NagatoYamaguchi 41
- 302SendaiMiyagi 41
- 302SōmaFukushima 41
- 302NasukarasuyamaTochigi 41
- 302HigashimurayamaTokyo 41
- 302ShonaiYamagata 41
- 314YanagawaFukuoka 40
- 314UrayasuChiba 40
- 314TondabayashichōOsaka 40
- 314TokyoTokyo 40
- 314SōkaSaitama 40
- 314ShinagawaEhime 40
- 314NumataGunma 40
- 314NiimiOkayama 40
- 314IzumiOsaka 40
- 314ItoigawaNiigata 40
- 314HikariYamaguchi 40
- 314AsoKumamoto 40
- 314MunakataFukuoka 40
- 327TokushimaTokushima 39
- 327OdawaraKanagawa 39
- 327Ōdachō-ōdaShimane 39
- 327MachidaTokyo 39
- 327KurihamaKanagawa 39
- 327KumagayaSaitama 39
- 327ShiroishiMiyagi 39
- 327KamisuIbaraki 39
- 327SaitamaSaitama 39
- 327FuchūTokyo 39
- 327AmaAichi 39
- 327ShirakawaFukushima 39
- 327YoshinogawaTokushima 39
- 340AtsugiKanagawa 39
- 340YokohamaKanagawa 39
- 340SabaeFukui 39
- 340NumazuShizuoka 39
- 340NodaChiba 39
- 340Niitsu-honchōNiigata 39
- 340MasudaShimane 39
- 340KanumaTochigi 39
- 340KamakuraKanagawa 39
- 340KakegawaShizuoka 39
- 340KakamigaharaGifu 39
- 340IseMie 39
- 340HamadaShimane 39
- 340FujiShizuoka 39
- 340YokoteAkita 39
- 340MatsushimaMiyagi 39
- 340HokotaIbaraki 39
- 340Minami-SōmaFukushima 39
- 340YamatoKanagawa 39
- 359TochigiTochigi 38
- 359ŌtaGunma 38
- 359KariyaAichi 38
- 359KaratsuSaga 38
- 359ŌmihachimanShiga 38
- 359GōtsuchōShimane 38
- 359MiuraKanagawa 38
- 359MoriokaIwate 38
- 359KesennumaMiyagi 38
- 359Hitachi-NakaIbaraki 38
- 359HigashimatsushimaMiyagi 38
- 359SennanOsaka 38
- 359TsushimaNagasaki 38
- 359AzaminoKanagawa 38
- 373YokotaTokyo 38
- 373MatsudoChiba 38
- 373MaizuruKyoto 38
- 373HōryūjiNara 38
- 373ChikumaNagano 38
- 373TonamiToyama 38
- 373KumanoMie 38
- 373SadoNiigata 38
- 373HabikinoOsaka 38
- 373Minami-AlpsYamanashi 38
- 383YokosukaKanagawa 37
- 383ToyotaAichi 37
- 383ToyookaHyōgo 37
- 383OnoFukui 37
- 383OgawamachiSaitama 37
- 383NaganoNagano 37
- 383HekinanAichi 37
- 383GamagōriAichi 37
- 383IchinosekiIwate 37
- 383SusonoShizuoka 37
- 393ToyonakaOsaka 37
- 393KomatsuIshikawa 37
- 393KainanWakayama 37
- 393InuyamaAichi 37
- 393Tagajō-shiMiyagi 37
- 393NaritaChiba 37
- 393HitachiIbaraki 37
- 393GoshogawaraAomori 37
- 393MinamiashigaraKanagawa 37
- 393InzaiChiba 37
- 393NisshinAichi 37
- 404TakayamaGifu 36
- 404NiigataNiigata 36
- 404KashiwaChiba 36
- 404GobōWakayama 36
- 404FujisawaKanagawa 36
- 404KimitsuChiba 36
- 404InashikiIbaraki 36
- 404FujiyoshidaYamanashi 36
- 412YonagoTottori 36
- 412ShizuokaShizuoka 36
- 412ShironeNiigata 36
- 412TorideIbaraki 36
- 412KasamaIbaraki 36
- 412NoboritoKanagawa 36
- 412KyōtangoKyoto 36
- 419ShimadaShizuoka 35
- 419Kameda-honchōNiigata 35
- 419IidaNagano 35
- 419HamamatsuShizuoka 35
- 419FujiedaShizuoka 35
- 419HanamakiIwate 35
- 419EbinaKanagawa 35
- 419Aizu-WakamatsuFukushima 35
- 419UnnanShimane 35
- 428NanaoIshikawa 34
- 428MatsutōIshikawa 34
- 428KoshigayaSaitama 34
- 428KisarazuChiba 34
- 428KanazawaIshikawa 34
- 428YokoshibaChiba 34
- 428NoshiroAkita 34
- 428HachinoheAomori 34
- 428AmamiKagoshima 34
- 428KamagayaChiba 34
- 428NarashinoChiba 34
- 439ToyohashiAichi 34
- 439TanabeWakayama 34
- 439SuzakaNagano 34
- 439SusakiKochi 34
- 439MakiNiigata 34
- 439Kashima-shiIbaraki 34
- 439YotsukaidōChiba 34
- 439IchiharaChiba 34
- 439HirosakiAomori 34
- 439MinamiuonumaNiigata 34
- 439YonoOsaka 34
- 450ShimaMie 33
- 450HakuiIshikawa 33
- 450YachimataChiba 33
- 450ŌharaChiba 33
- 450KikugawaShizuoka 33
- 450KosaiShizuoka 33
- 450NankokuKochi 33
- 457TakatsukiOsaka 33
- 457NishiwakiHyōgo 33
- 457NakamuraKochi 33
- 457KitaibarakiIbaraki 33
- 457AjikiChiba 33
- 457SōsaChiba 33
- 457KuriharaMiyagi 33
- 464SakaiminatoTottori 32
- 464SakuraChiba 32
- 464OmigawaChiba 32
- 464MobaraChiba 32
- 464AkitaAkita 32
- 464OyabeToyama 32
- 464TomeMiyagi 32
- 464IkiNagasaki 32
- 472InoKochi 32
- 472ChoshiChiba 32
- 472MinamichitaAichi 32
- 475TateyamaChiba 31
- 475NahaOkinawa 31
- 475IshigakiOkinawa 31
- 475MiyakoIwate 31
- 475AsahikawaHokkaido 31
- 475IzunokuniShizuoka 31
- 475OgaAkita 31
- 482GeroGifu 31
- 482HamakitaShizuoka 31
- 482OkinawaOkinawa 31
- 482NasushiobaraTochigi 31
- 482TakizawaIwate 31
- 487InaNagano 30
- 487TōganeChiba 30
- 489MatsueShimane 29
- 489WakuyaMiyagi 29
- 489ŌdateAkita 29
- 489KagaIshikawa 29
- 489YurihonjōAkita 29
- 494UedaNagano 28
- 494SumotoHyōgo 28
- 494MiyakojimaOkinawa 28
- 497NonoichiIshikawa 28
- 497ŌshūIwate 28
- 497SodegauraChiba 28
- 500KamaishiIwate 27
- 500TomakomaiHokkaido 27
- 500SapporoHokkaido 27
- 503ShinshiroAichi 27
- 503KogaIbaraki 27
- 503KitamiHokkaido 27
- 506KushiroHokkaido 26
- 507ShingūWakayama 26
- 507KanoyaKagoshima 26
- 507AnamizuIshikawa 26
- 507HakodateHokkaido 26
- 511TsubataIshikawa 25
- 512KujiIwate 24
- 513IbiGifu 22
- 514ObihiroHokkaido 20
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, September 2023, smogrank.com/jp/history/2023-09 (accessed 2 Oct 2026).
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