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
Every city in Japan ranked for September 2023, one column each, worst on the left and cleanest on the right. Point at it to read a city; tap to open it.
  1. 1NagaiYamagata
    2
  2. 2MinamataKumamoto
    2
  3. 2IyoEhime
    2
  4. 4HonmachiKumamoto
    2
  5. 5TakasakiGunma
    2
  6. 5NiihamaEhime
    2
  7. 7KasaokaOkayama
    2
  8. 8YatomiAichi
    2
  9. 9SanoTochigi
    2
  10. 10ShikokuchūōEhime
    2
  11. 11TamanaKumamoto
    2
  12. 12ŌtsukiYamanashi
    2
  13. 12KirishimaKagoshima
    2
  14. 12BizenOkayama
    2
  15. 15Kan’onjichōKagawa
    2
  16. 15FujinomiyaShizuoka
    2
  17. 17NakatsuOita
    2
  18. 17ImabariEhime
    2
  19. 19MiyakonojōMiyazaki
    2
  20. 19KiryūGunma
    2
  21. 19ChikuseiIbaraki
    2
  22. 22Uekimachi-mōnoKumamoto
    2
  23. 23TsurusakiOita
    2
  24. 23SandachōHyōgo
    2
  25. 23Nara-shiNara
    2
  26. 23MimaTokushima
    2
  27. 27SendaiKagoshima
    2
  28. 27IkedachōTokushima
    2
  29. 27SaijōEhime
    2
  30. 30ŌzuKumamoto
    2
  31. 30MatsuyamaEhime
    2
  32. 32KazoSaitama
    2
  33. 33KagoshimaKagoshima
    2
  34. 34TatsunoHyōgo
    1
  35. 35ZentsujichóKagawa
    1
  36. 35Hondomachi-hondoKumamoto
    1
  37. 35GyōdaSaitama
    1
  38. 35MinamikyushuKagoshima
    1
  39. 39ŌmutaFukuoka
    1
  40. 39ŌitaOita
    1
  41. 39Kanzakimachi-kanzakiSaga
    1
  42. 39HitoyoshiKumamoto
    1
  43. 43UozuToyama
    1
  44. 43KobayashiMiyazaki
    1
  45. 43IzumiKagoshima
    1
  46. 43YameFukuoka
    1
  47. 47YamagaKumamoto
    1
  48. 47MarugameKagawa
    1
  49. 47KureHiroshima
    1
  50. 47Kaseda-shirakameKagoshima
    1
  51. 47KotōKumamoto
    1
  52. 47AraoKumamoto
    1
  53. 53UtoKumamoto
    1
  54. 53KochiKochi
    1
  55. 53FukuyamaHiroshima
    1
  56. 53UkihaFukuoka
    1
  57. 57TamanoOkayama
    1
  58. 57IshinomakiMiyagi
    1
  59. 59OkayaNagano
    1
  60. 59KurumeFukuoka
    1
  61. 59KumamotoKumamoto
    1
  62. 59KitakyushuFukuoka
    1
  63. 59KashimaSaga
    1
  64. 59IgusaSaitama
    1
  65. 59AshikagaTochigi
    1
  66. 59Misato, SaitamaSaitama
    1
  67. 59SayamaOsaka
    1
  68. 68SaikiOita
    1
  69. 68OnomichiHiroshima
    1
  70. 68NobeokaMiyazaki
    1
  71. 68MiharaHiroshima
    1
  72. 68KofuYamanashi
    1
  73. 68KogaFukuoka
    1
  74. 68AyaseKanagawa
    1
  75. 75TakaokaToyama
    1
  76. 75SaseboNagasaki
    1
  77. 75ŌmuraNagasaki
    1
  78. 75NamerikawaToyama
    1
  79. 75NagasakiNagasaki
    1
  80. 75AgeoSaitama
    1
  81. 81Ureshinomachi-shimojukuSaga
    1
  82. 81TakanabeMiyazaki
    1
  83. 81TakahashiOkayama
    1
  84. 81ObitaNagasaki
    1
  85. 81Kashihara-shiNara
    1
  86. 81Kakogawachō-honmachiHyōgo
    1
  87. 81HikoneShiga
    1
  88. 88YokkaichiMie
    1
  89. 88TogitsuNagasaki
    1
  90. 88Shin’ichiHiroshima
    1
  91. 88ShidoKagawa
    1
  92. 88ŌtakeHiroshima
    1
  93. 88NagahamaShiga
    1
  94. 88MifuneKumamoto
    1
  95. 88Maebaru-chūōFukuoka
    1
  96. 88KyotoKyoto
    1
  97. 88KurashikiOkayama
    1
  98. 88IwakuniYamaguchi
    1
  99. 88IizukaFukuoka
    1
  100. 88AomoriAomori
    1
  101. 88IrumaSaitama
    1
  102. 102ToyamaToyama
    1
  103. 102TatebayashiGunma
    1
  104. 102OnodaYamaguchi
    1
  105. 102ŌmeTokyo
    1
  106. 102MinamirinkanKanagawa
    1
  107. 102IwadeWakayama
    1
  108. 102IsahayaNagasaki
    1
  109. 102Imarichō-kōSaga
    1
  110. 102HanyūSaitama
    1
  111. 102GifuGifu
    1
  112. 102AiharaKanagawa
    1
  113. 102SagaeYamagata
    1
  114. 114Shimo-tsumaIbaraki
    1
  115. 114SakataYamagata
    1
  116. 114Kodamachō-kodamaminamiSaitama
    1
  117. 114IkomaNara
    1
  118. 114FukuokaFukuoka
    1
  119. 114TsuchiuraIbaraki
    1
  120. 114HigashigōSaga
    1
  121. 121TsuyamaOkayama
    1
  122. 121TsuruokaYamagata
    1
  123. 121TsuMie
    1
  124. 121SōjaOkayama
    1
  125. 121MinatoWakayama
    1
  126. 121MenumaSaitama
    1
  127. 121KashiwaraNara
    1
  128. 121ChigasakiKanagawa
    1
  129. 121NakaIbaraki
    1
  130. 121HitachiomiyaIbaraki
    1
  131. 121TakashimaShiga
    1
  132. 121InabeMie
    1
  133. 121HigashihiroshimaHiroshima
    1
  134. 121KunisakiOita
    1
  135. 135KandaFukuoka
    1
  136. 135NeyagawaOsaka
    1
  137. 135IgaMie
    1
  138. 135KuwanaMie
    1
  139. 139AkashiHyōgo
    1
  140. 139YoukaichiShiga
    1
  141. 139UbeYamaguchi
    1
  142. 139SuzukaMie
    1
  143. 139ShibukawaGunma
    1
  144. 139SekimachiGifu
    1
  145. 139SakaiOsaka
    1
  146. 139OkayamaOkayama
    1
  147. 139NagoyaAichi
    1
  148. 139ImaichiTochigi
    1
  149. 139HōfuYamaguchi
    1
  150. 139MinawaKanagawa
    1
  151. 139OwariasahiAichi
    1
  152. 139BuzenFukuoka
    1
  153. 139SugaiKyoto
    1
  154. 139TakuSaga
    1
  155. 139MineYamaguchi
    1
  156. 139TōkaiAichi
    1
  157. 139ShūnanYamaguchi
    1
  158. 158YanaiYamaguchi
    1
  159. 158YamaguchiYamaguchi
    1
  160. 158ObamaFukui
    1
  161. 158NabariMie
    1
  162. 158MiyazakiMiyazaki
    1
  163. 158MikuniFukui
    1
  164. 158HandaAichi
    1
  165. 158GionHiroshima
    1
  166. 158AyabeKyoto
    1
  167. 158YonezawaYamagata
    1
  168. 158ShinjōYamagata
    1
  169. 158JōetsuNiigata
    1
  170. 158NantanKyoto
    1
  171. 171YoriiSaitama
    1
  172. 171YawataKyoto
    1
  173. 171UjiKyoto
    1
  174. 171SagaSaga
    1
  175. 171HigashinozoeHyōgo
    1
  176. 171FukuroiShizuoka
    1
  177. 171AnanTokushima
    1
  178. 171IwanumaMiyagi
    1
  179. 171FukushimaFukushima
    1
  180. 171NiizaSaitama
    1
  181. 171HashimaGifu
    1
  182. 171HyūgaMiyazaki
    1
  183. 171KodairaTokyo
    1
  184. 171SaikaiNagasaki
    1
  185. 185YaeHiroshima
    1
  186. 185UtsunomiyaTochigi
    1
  187. 185TakeoSaga
    1
  188. 185TaharaAichi
    1
  189. 185ShimonosekiYamaguchi
    1
  190. 185OkazakiAichi
    1
  191. 185Narutochō-mitsuishiTokushima
    1
  192. 185NagoOkinawa
    1
  193. 185KaminokawaTochigi
    1
  194. 185HigashiosakaOsaka
    1
  195. 185YoshiokaMiyagi
    1
  196. 185AkishimaTokyo
    1
  197. 185KaizuGifu
    1
  198. 185OgōriFukuoka
    1
  199. 185JōyōKyoto
    1
  200. 185AsakuchiOkayama
    1
  201. 201YukuhashiFukuoka
    1
  202. 201Tottori-shiTottori
    1
  203. 201ŌtsuShiga
    1
  204. 201KōnosuSaitama
    1
  205. 201IwataShizuoka
    1
  206. 201IkarugaHyōgo
    1
  207. 201Fukui-shiFukui
    1
  208. 201AnjōAichi
    1
  209. 201Natori-shiMiyagi
    1
  210. 201KōriyamaFukushima
    1
  211. 201MatsuuraNagasaki
    1
  212. 201Higashi-MatsuyamaSaitama
    1
  213. 201MinokamoGifu
    1
  214. 201MatsusakaMie
    1
  215. 201ItoshimaFukuoka
    1
  216. 216YaitaTochigi
    1
  217. 216TakamatsuKagawa
    1
  218. 216MiyoshiHiroshima
    1
  219. 216KogaFukuoka
    1
  220. 216IzumoShimane
    1
  221. 216IchinomiyaAichi
    1
  222. 216ImizuToyama
    1
  223. 216YawatahamaEhime
    1
  224. 216GotōNagasaki
    1
  225. 225YaoOsaka
    1
  226. 225TosuSaga
    1
  227. 225TakinomiyaKagawa
    1
  228. 225TajimiGifu
    1
  229. 225SetoAichi
    1
  230. 225NyūzenToyama
    1
  231. 225NōgataFukuoka
    1
  232. 225NichinanMiyazaki
    1
  233. 225ChiryūAichi
    1
  234. 225ChichibuSaitama
    1
  235. 225AmagasakiHyōgo
    1
  236. 225MookaTochigi
    1
  237. 225KōkaShiga
    1
  238. 225Kawachi-NaganoOsaka
    1
  239. 225MizuhoGifu
    1
  240. 240TokorozawaSaitama
    1
  241. 240TenriNara
    1
  242. 240TakeharaHiroshima
    1
  243. 240TagawaFukuoka
    1
  244. 240SuwaNagano
    1
  245. 240SaikūMie
    1
  246. 240OyamaTochigi
    1
  247. 240OsakaOsaka
    1
  248. 240OnoHyōgo
    1
  249. 240KukichūōSaitama
    1
  250. 240KudamatsuYamaguchi
    1
  251. 240KawaguchiSaitama
    1
  252. 240HonjōSaitama
    1
  253. 240HiroshimaHiroshima
    1
  254. 240HimejiHyōgo
    1
  255. 240SayamaSaitama
    1
  256. 240KaminomaAichi
    1
  257. 257TobaMie
    1
  258. 257TakarazukaHyōgo
    1
  259. 257ShibataNiigata
    1
  260. 257SakadoSaitama
    1
  261. 257NishinomiyaHyōgo
    1
  262. 257MiyazuKyoto
    1
  263. 257KameokaKyoto
    1
  264. 257HadanoKanagawa
    1
  265. 257HachiōjiTokyo
    1
  266. 257AtamiShizuoka
    1
  267. 257AsakaSaitama
    1
  268. 257IwakiFukushima
    1
  269. 257ChibaChiba
    1
  270. 257KizugawaKyoto
    1
  271. 271YasugichōShimane
    1
  272. 271TsukumiuraOita
    1
  273. 271TomiokaGunma
    1
  274. 271OwaseMie
    1
  275. 271KōtariKyoto
    1
  276. 271KawagoeSaitama
    1
  277. 271KasukabeSaitama
    1
  278. 271Kamojimachō-jōgejimaTokushima
    1
  279. 271HagiYamaguchi
    1
  280. 271FukuchiyamaKyoto
    1
  281. 271UwajimaEhime
    1
  282. 271YamagataYamagata
    1
  283. 271HigashineYamagata
    1
  284. 284TsurugaFukui
    1
  285. 284TokonameAichi
    1
  286. 284Sakai-nakajimaGunma
    1
  287. 284NishioAichi
    1
  288. 284NakanojōGunma
    1
  289. 284NakamaFukuoka
    1
  290. 284MatsumotoNagano
    1
  291. 284KusatsuShiga
    1
  292. 284KitahamaShiga
    1
  293. 284HiratsukaKanagawa
    1
  294. 284HirakataOsaka
    1
  295. 284ChitoseHokkaido
    1
  296. 284BandōIbaraki
    1
  297. 284JōsōIbaraki
    1
  298. 284ŌsakiMiyagi
    1
  299. 284HiragiKagawa
    1
  300. 284HigashikurumeTokyo
    1
  301. 284AridaWakayama
    1
  302. 302Ueno-ebisumachiMie
    1
  303. 302KobeHyōgo
    1
  304. 302KishiwadaOsaka
    1
  305. 302KameyamaMie
    1
  306. 302IzumisanoOsaka
    1
  307. 302HimimachiToyama
    1
  308. 302NagatoYamaguchi
    1
  309. 302SendaiMiyagi
    1
  310. 302SōmaFukushima
    1
  311. 302NasukarasuyamaTochigi
    1
  312. 302HigashimurayamaTokyo
    1
  313. 302ShonaiYamagata
    1
  314. 314YanagawaFukuoka
    1
  315. 314UrayasuChiba
    1
  316. 314TondabayashichōOsaka
    1
  317. 314TokyoTokyo
    1
  318. 314SōkaSaitama
    1
  319. 314ShinagawaEhime
    1
  320. 314NumataGunma
    1
  321. 314NiimiOkayama
    1
  322. 314IzumiOsaka
    1
  323. 314ItoigawaNiigata
    1
  324. 314HikariYamaguchi
    1
  325. 314AsoKumamoto
    1
  326. 314MunakataFukuoka
    1
  327. 327TokushimaTokushima
    1
  328. 327OdawaraKanagawa
    1
  329. 327Ōdachō-ōdaShimane
    1
  330. 327MachidaTokyo
    1
  331. 327KurihamaKanagawa
    1
  332. 327KumagayaSaitama
    1
  333. 327ShiroishiMiyagi
    1
  334. 327KamisuIbaraki
    1
  335. 327SaitamaSaitama
    1
  336. 327FuchūTokyo
    1
  337. 327AmaAichi
    1
  338. 327ShirakawaFukushima
    1
  339. 327YoshinogawaTokushima
    1
  340. 340AtsugiKanagawa
    1
  341. 340YokohamaKanagawa
    1
  342. 340SabaeFukui
    1
  343. 340NumazuShizuoka
    1
  344. 340NodaChiba
    1
  345. 340Niitsu-honchōNiigata
    1
  346. 340MasudaShimane
    1
  347. 340KanumaTochigi
    1
  348. 340KamakuraKanagawa
    1
  349. 340KakegawaShizuoka
    1
  350. 340KakamigaharaGifu
    1
  351. 340IseMie
    1
  352. 340HamadaShimane
    1
  353. 340FujiShizuoka
    1
  354. 340YokoteAkita
    1
  355. 340MatsushimaMiyagi
    1
  356. 340HokotaIbaraki
    1
  357. 340Minami-SōmaFukushima
    1
  358. 340YamatoKanagawa
    1
  359. 359TochigiTochigi
    1
  360. 359ŌtaGunma
    1
  361. 359KariyaAichi
    1
  362. 359KaratsuSaga
    1
  363. 359ŌmihachimanShiga
    1
  364. 359GōtsuchōShimane
    1
  365. 359MiuraKanagawa
    1
  366. 359MoriokaIwate
    1
  367. 359KesennumaMiyagi
    1
  368. 359Hitachi-NakaIbaraki
    1
  369. 359HigashimatsushimaMiyagi
    1
  370. 359SennanOsaka
    1
  371. 359TsushimaNagasaki
    1
  372. 359AzaminoKanagawa
    1
  373. 373YokotaTokyo
    1
  374. 373MatsudoChiba
    1
  375. 373MaizuruKyoto
    1
  376. 373HōryūjiNara
    1
  377. 373ChikumaNagano
    1
  378. 373TonamiToyama
    1
  379. 373KumanoMie
    1
  380. 373SadoNiigata
    1
  381. 373HabikinoOsaka
    1
  382. 373Minami-AlpsYamanashi
    1
  383. 383YokosukaKanagawa
    1
  384. 383ToyotaAichi
    1
  385. 383ToyookaHyōgo
    1
  386. 383OnoFukui
    1
  387. 383OgawamachiSaitama
    1
  388. 383NaganoNagano
    1
  389. 383HekinanAichi
    1
  390. 383GamagōriAichi
    1
  391. 383IchinosekiIwate
    1
  392. 383SusonoShizuoka
    1
  393. 393ToyonakaOsaka
    1
  394. 393KomatsuIshikawa
    1
  395. 393KainanWakayama
    1
  396. 393InuyamaAichi
    1
  397. 393Tagajō-shiMiyagi
    1
  398. 393NaritaChiba
    1
  399. 393HitachiIbaraki
    1
  400. 393GoshogawaraAomori
    1
  401. 393MinamiashigaraKanagawa
    1
  402. 393InzaiChiba
    1
  403. 393NisshinAichi
    1
  404. 404TakayamaGifu
    1
  405. 404NiigataNiigata
    1
  406. 404KashiwaChiba
    1
  407. 404GobōWakayama
    1
  408. 404FujisawaKanagawa
    1
  409. 404KimitsuChiba
    1
  410. 404InashikiIbaraki
    1
  411. 404FujiyoshidaYamanashi
    1
  412. 412YonagoTottori
    1
  413. 412ShizuokaShizuoka
    1
  414. 412ShironeNiigata
    1
  415. 412TorideIbaraki
    1
  416. 412KasamaIbaraki
    1
  417. 412NoboritoKanagawa
    1
  418. 412KyōtangoKyoto
    1
  419. 419ShimadaShizuoka
    1
  420. 419Kameda-honchōNiigata
    1
  421. 419IidaNagano
    1
  422. 419HamamatsuShizuoka
    1
  423. 419FujiedaShizuoka
    1
  424. 419HanamakiIwate
    1
  425. 419EbinaKanagawa
    1
  426. 419Aizu-WakamatsuFukushima
    1
  427. 419UnnanShimane
    1
  428. 428NanaoIshikawa
    1
  429. 428MatsutōIshikawa
    1
  430. 428KoshigayaSaitama
    1
  431. 428KisarazuChiba
    1
  432. 428KanazawaIshikawa
    1
  433. 428YokoshibaChiba
    1
  434. 428NoshiroAkita
    1
  435. 428HachinoheAomori
    1
  436. 428AmamiKagoshima
    1
  437. 428KamagayaChiba
    1
  438. 428NarashinoChiba
    1
  439. 439ToyohashiAichi
    1
  440. 439TanabeWakayama
    1
  441. 439SuzakaNagano
    1
  442. 439SusakiKochi
    1
  443. 439MakiNiigata
    1
  444. 439Kashima-shiIbaraki
    1
  445. 439YotsukaidōChiba
    1
  446. 439IchiharaChiba
    1
  447. 439HirosakiAomori
    1
  448. 439MinamiuonumaNiigata
    1
  449. 439YonoOsaka
    1
  450. 450ShimaMie
    1
  451. 450HakuiIshikawa
    1
  452. 450YachimataChiba
    1
  453. 450ŌharaChiba
    1
  454. 450KikugawaShizuoka
    1
  455. 450KosaiShizuoka
    1
  456. 450NankokuKochi
    1
  457. 457TakatsukiOsaka
    1
  458. 457NishiwakiHyōgo
    1
  459. 457NakamuraKochi
    1
  460. 457KitaibarakiIbaraki
    1
  461. 457AjikiChiba
    1
  462. 457SōsaChiba
    1
  463. 457KuriharaMiyagi
    1
  464. 464SakaiminatoTottori
    1
  465. 464SakuraChiba
    1
  466. 464OmigawaChiba
    1
  467. 464MobaraChiba
    1
  468. 464AkitaAkita
    1
  469. 464OyabeToyama
    1
  470. 464TomeMiyagi
    1
  471. 464IkiNagasaki
    1
  472. 472InoKochi
    1
  473. 472ChoshiChiba
    1
  474. 472MinamichitaAichi
    1
  475. 475TateyamaChiba
    1
  476. 475NahaOkinawa
    1
  477. 475IshigakiOkinawa
    1
  478. 475MiyakoIwate
    1
  479. 475AsahikawaHokkaido
    1
  480. 475IzunokuniShizuoka
    1
  481. 475OgaAkita
    1
  482. 482GeroGifu
    1
  483. 482HamakitaShizuoka
    1
  484. 482OkinawaOkinawa
    1
  485. 482NasushiobaraTochigi
    1
  486. 482TakizawaIwate
    1
  487. 487InaNagano
    1
  488. 487TōganeChiba
    1
  489. 489MatsueShimane
    1
  490. 489WakuyaMiyagi
    1
  491. 489ŌdateAkita
    1
  492. 489KagaIshikawa
    1
  493. 489YurihonjōAkita
    1
  494. 494UedaNagano
    1
  495. 494SumotoHyōgo
    1
  496. 494MiyakojimaOkinawa
    1
  497. 497NonoichiIshikawa
    1
  498. 497ŌshūIwate
    1
  499. 497SodegauraChiba
    1
  500. 500KamaishiIwate
    1
  501. 500TomakomaiHokkaido
    1
  502. 500SapporoHokkaido
    1
  503. 503ShinshiroAichi
    1
  504. 503KogaIbaraki
    1
  505. 503KitamiHokkaido
    1
  506. 506KushiroHokkaido
    1
  507. 507ShingūWakayama
    1
  508. 507KanoyaKagoshima
    1
  509. 507AnamizuIshikawa
    1
  510. 507HakodateHokkaido
    1
  511. 511TsubataIshikawa
    1
  512. 512KujiIwate
    1
  513. 513IbiGifu
    1
  514. 514ObihiroHokkaido
    1
Low risk1–3
Moderate risk4–6
High risk7–10
Very high risk10+

Canada's AQHI+ for PM2.5 (1 point per 10 µg/m³), which is defined on hourly values. Show values as: µg/m³ · US AQI · India AQI · China AQI · European AQI · UK DAQI · Canada AQHI+. About the scales

All cities in the world, September 2023 · Japan now

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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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