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
    23
  2. 2MinamataKumamoto
    21
  3. 2IyoEhime
    21
  4. 4HonmachiKumamoto
    20
  5. 5TakasakiGunma
    19
  6. 5NiihamaEhime
    19
  7. 7KasaokaOkayama
    19
  8. 8YatomiAichi
    18
  9. 9SanoTochigi
    18
  10. 10ShikokuchūōEhime
    18
  11. 11TamanaKumamoto
    17
  12. 12ŌtsukiYamanashi
    16
  13. 12KirishimaKagoshima
    16
  14. 12BizenOkayama
    16
  15. 15Kan’onjichōKagawa
    16
  16. 15FujinomiyaShizuoka
    16
  17. 17NakatsuOita
    16
  18. 17ImabariEhime
    16
  19. 19MiyakonojōMiyazaki
    16
  20. 19KiryūGunma
    16
  21. 19ChikuseiIbaraki
    16
  22. 22Uekimachi-mōnoKumamoto
    16
  23. 23TsurusakiOita
    15
  24. 23SandachōHyōgo
    15
  25. 23Nara-shiNara
    15
  26. 23MimaTokushima
    15
  27. 27SendaiKagoshima
    15
  28. 27IkedachōTokushima
    15
  29. 27SaijōEhime
    15
  30. 30ŌzuKumamoto
    15
  31. 30MatsuyamaEhime
    15
  32. 32KazoSaitama
    15
  33. 33KagoshimaKagoshima
    15
  34. 34TatsunoHyōgo
    15
  35. 35ZentsujichóKagawa
    15
  36. 35Hondomachi-hondoKumamoto
    15
  37. 35GyōdaSaitama
    15
  38. 35MinamikyushuKagoshima
    15
  39. 39ŌmutaFukuoka
    14
  40. 39ŌitaOita
    14
  41. 39Kanzakimachi-kanzakiSaga
    14
  42. 39HitoyoshiKumamoto
    14
  43. 43UozuToyama
    14
  44. 43KobayashiMiyazaki
    14
  45. 43IzumiKagoshima
    14
  46. 43YameFukuoka
    14
  47. 47YamagaKumamoto
    14
  48. 47MarugameKagawa
    14
  49. 47KureHiroshima
    14
  50. 47Kaseda-shirakameKagoshima
    14
  51. 47KotōKumamoto
    14
  52. 47AraoKumamoto
    14
  53. 53UtoKumamoto
    14
  54. 53KochiKochi
    14
  55. 53FukuyamaHiroshima
    14
  56. 53UkihaFukuoka
    14
  57. 57TamanoOkayama
    14
  58. 57IshinomakiMiyagi
    14
  59. 59OkayaNagano
    14
  60. 59KurumeFukuoka
    14
  61. 59KumamotoKumamoto
    14
  62. 59KitakyushuFukuoka
    14
  63. 59KashimaSaga
    14
  64. 59IgusaSaitama
    14
  65. 59AshikagaTochigi
    14
  66. 59Misato, SaitamaSaitama
    14
  67. 59SayamaOsaka
    14
  68. 68SaikiOita
    14
  69. 68OnomichiHiroshima
    14
  70. 68NobeokaMiyazaki
    14
  71. 68MiharaHiroshima
    14
  72. 68KofuYamanashi
    14
  73. 68KogaFukuoka
    14
  74. 68AyaseKanagawa
    14
  75. 75TakaokaToyama
    13
  76. 75SaseboNagasaki
    13
  77. 75ŌmuraNagasaki
    13
  78. 75NamerikawaToyama
    13
  79. 75NagasakiNagasaki
    13
  80. 75AgeoSaitama
    13
  81. 81Ureshinomachi-shimojukuSaga
    13
  82. 81TakanabeMiyazaki
    13
  83. 81TakahashiOkayama
    13
  84. 81ObitaNagasaki
    13
  85. 81Kashihara-shiNara
    13
  86. 81Kakogawachō-honmachiHyōgo
    13
  87. 81HikoneShiga
    13
  88. 88YokkaichiMie
    13
  89. 88TogitsuNagasaki
    13
  90. 88Shin’ichiHiroshima
    13
  91. 88ShidoKagawa
    13
  92. 88ŌtakeHiroshima
    13
  93. 88NagahamaShiga
    13
  94. 88MifuneKumamoto
    13
  95. 88Maebaru-chūōFukuoka
    13
  96. 88KyotoKyoto
    13
  97. 88KurashikiOkayama
    13
  98. 88IwakuniYamaguchi
    13
  99. 88IizukaFukuoka
    13
  100. 88AomoriAomori
    13
  101. 88IrumaSaitama
    13
  102. 102ToyamaToyama
    13
  103. 102TatebayashiGunma
    13
  104. 102OnodaYamaguchi
    13
  105. 102ŌmeTokyo
    13
  106. 102MinamirinkanKanagawa
    13
  107. 102IwadeWakayama
    13
  108. 102IsahayaNagasaki
    13
  109. 102Imarichō-kōSaga
    13
  110. 102HanyūSaitama
    13
  111. 102GifuGifu
    13
  112. 102AiharaKanagawa
    13
  113. 102SagaeYamagata
    13
  114. 114Shimo-tsumaIbaraki
    13
  115. 114SakataYamagata
    13
  116. 114Kodamachō-kodamaminamiSaitama
    13
  117. 114IkomaNara
    13
  118. 114FukuokaFukuoka
    13
  119. 114TsuchiuraIbaraki
    13
  120. 114HigashigōSaga
    13
  121. 121TsuyamaOkayama
    13
  122. 121TsuruokaYamagata
    13
  123. 121TsuMie
    13
  124. 121SōjaOkayama
    13
  125. 121MinatoWakayama
    13
  126. 121MenumaSaitama
    13
  127. 121KashiwaraNara
    13
  128. 121ChigasakiKanagawa
    13
  129. 121NakaIbaraki
    13
  130. 121HitachiomiyaIbaraki
    13
  131. 121TakashimaShiga
    13
  132. 121InabeMie
    13
  133. 121HigashihiroshimaHiroshima
    13
  134. 121KunisakiOita
    13
  135. 135KandaFukuoka
    13
  136. 135NeyagawaOsaka
    13
  137. 135IgaMie
    13
  138. 135KuwanaMie
    13
  139. 139AkashiHyōgo
    12
  140. 139YoukaichiShiga
    12
  141. 139UbeYamaguchi
    12
  142. 139SuzukaMie
    12
  143. 139ShibukawaGunma
    12
  144. 139SekimachiGifu
    12
  145. 139SakaiOsaka
    12
  146. 139OkayamaOkayama
    12
  147. 139NagoyaAichi
    12
  148. 139ImaichiTochigi
    12
  149. 139HōfuYamaguchi
    12
  150. 139MinawaKanagawa
    12
  151. 139OwariasahiAichi
    12
  152. 139BuzenFukuoka
    12
  153. 139SugaiKyoto
    12
  154. 139TakuSaga
    12
  155. 139MineYamaguchi
    12
  156. 139TōkaiAichi
    12
  157. 139ShūnanYamaguchi
    12
  158. 158YanaiYamaguchi
    12
  159. 158YamaguchiYamaguchi
    12
  160. 158ObamaFukui
    12
  161. 158NabariMie
    12
  162. 158MiyazakiMiyazaki
    12
  163. 158MikuniFukui
    12
  164. 158HandaAichi
    12
  165. 158GionHiroshima
    12
  166. 158AyabeKyoto
    12
  167. 158YonezawaYamagata
    12
  168. 158ShinjōYamagata
    12
  169. 158JōetsuNiigata
    12
  170. 158NantanKyoto
    12
  171. 171YoriiSaitama
    12
  172. 171YawataKyoto
    12
  173. 171UjiKyoto
    12
  174. 171SagaSaga
    12
  175. 171HigashinozoeHyōgo
    12
  176. 171FukuroiShizuoka
    12
  177. 171AnanTokushima
    12
  178. 171IwanumaMiyagi
    12
  179. 171FukushimaFukushima
    12
  180. 171NiizaSaitama
    12
  181. 171HashimaGifu
    12
  182. 171HyūgaMiyazaki
    12
  183. 171KodairaTokyo
    12
  184. 171SaikaiNagasaki
    12
  185. 185YaeHiroshima
    12
  186. 185UtsunomiyaTochigi
    12
  187. 185TakeoSaga
    12
  188. 185TaharaAichi
    12
  189. 185ShimonosekiYamaguchi
    12
  190. 185OkazakiAichi
    12
  191. 185Narutochō-mitsuishiTokushima
    12
  192. 185NagoOkinawa
    12
  193. 185KaminokawaTochigi
    12
  194. 185HigashiosakaOsaka
    12
  195. 185YoshiokaMiyagi
    12
  196. 185AkishimaTokyo
    12
  197. 185KaizuGifu
    12
  198. 185OgōriFukuoka
    12
  199. 185JōyōKyoto
    12
  200. 185AsakuchiOkayama
    12
  201. 201YukuhashiFukuoka
    12
  202. 201Tottori-shiTottori
    12
  203. 201ŌtsuShiga
    12
  204. 201KōnosuSaitama
    12
  205. 201IwataShizuoka
    12
  206. 201IkarugaHyōgo
    12
  207. 201Fukui-shiFukui
    12
  208. 201AnjōAichi
    12
  209. 201Natori-shiMiyagi
    12
  210. 201KōriyamaFukushima
    12
  211. 201MatsuuraNagasaki
    12
  212. 201Higashi-MatsuyamaSaitama
    12
  213. 201MinokamoGifu
    12
  214. 201MatsusakaMie
    12
  215. 201ItoshimaFukuoka
    12
  216. 216YaitaTochigi
    12
  217. 216TakamatsuKagawa
    12
  218. 216MiyoshiHiroshima
    12
  219. 216KogaFukuoka
    12
  220. 216IzumoShimane
    12
  221. 216IchinomiyaAichi
    12
  222. 216ImizuToyama
    12
  223. 216YawatahamaEhime
    12
  224. 216GotōNagasaki
    12
  225. 225YaoOsaka
    12
  226. 225TosuSaga
    12
  227. 225TakinomiyaKagawa
    12
  228. 225TajimiGifu
    12
  229. 225SetoAichi
    12
  230. 225NyūzenToyama
    12
  231. 225NōgataFukuoka
    12
  232. 225NichinanMiyazaki
    12
  233. 225ChiryūAichi
    12
  234. 225ChichibuSaitama
    12
  235. 225AmagasakiHyōgo
    12
  236. 225MookaTochigi
    12
  237. 225KōkaShiga
    12
  238. 225Kawachi-NaganoOsaka
    12
  239. 225MizuhoGifu
    12
  240. 240TokorozawaSaitama
    11
  241. 240TenriNara
    11
  242. 240TakeharaHiroshima
    11
  243. 240TagawaFukuoka
    11
  244. 240SuwaNagano
    11
  245. 240SaikūMie
    11
  246. 240OyamaTochigi
    11
  247. 240OsakaOsaka
    11
  248. 240OnoHyōgo
    11
  249. 240KukichūōSaitama
    11
  250. 240KudamatsuYamaguchi
    11
  251. 240KawaguchiSaitama
    11
  252. 240HonjōSaitama
    11
  253. 240HiroshimaHiroshima
    11
  254. 240HimejiHyōgo
    11
  255. 240SayamaSaitama
    11
  256. 240KaminomaAichi
    11
  257. 257TobaMie
    11
  258. 257TakarazukaHyōgo
    11
  259. 257ShibataNiigata
    11
  260. 257SakadoSaitama
    11
  261. 257NishinomiyaHyōgo
    11
  262. 257MiyazuKyoto
    11
  263. 257KameokaKyoto
    11
  264. 257HadanoKanagawa
    11
  265. 257HachiōjiTokyo
    11
  266. 257AtamiShizuoka
    11
  267. 257AsakaSaitama
    11
  268. 257IwakiFukushima
    11
  269. 257ChibaChiba
    11
  270. 257KizugawaKyoto
    11
  271. 271YasugichōShimane
    11
  272. 271TsukumiuraOita
    11
  273. 271TomiokaGunma
    11
  274. 271OwaseMie
    11
  275. 271KōtariKyoto
    11
  276. 271KawagoeSaitama
    11
  277. 271KasukabeSaitama
    11
  278. 271Kamojimachō-jōgejimaTokushima
    11
  279. 271HagiYamaguchi
    11
  280. 271FukuchiyamaKyoto
    11
  281. 271UwajimaEhime
    11
  282. 271YamagataYamagata
    11
  283. 271HigashineYamagata
    11
  284. 284TsurugaFukui
    11
  285. 284TokonameAichi
    11
  286. 284Sakai-nakajimaGunma
    11
  287. 284NishioAichi
    11
  288. 284NakanojōGunma
    11
  289. 284NakamaFukuoka
    11
  290. 284MatsumotoNagano
    11
  291. 284KusatsuShiga
    11
  292. 284KitahamaShiga
    11
  293. 284HiratsukaKanagawa
    11
  294. 284HirakataOsaka
    11
  295. 284ChitoseHokkaido
    11
  296. 284BandōIbaraki
    11
  297. 284JōsōIbaraki
    11
  298. 284ŌsakiMiyagi
    11
  299. 284HiragiKagawa
    11
  300. 284HigashikurumeTokyo
    11
  301. 284AridaWakayama
    11
  302. 302Ueno-ebisumachiMie
    11
  303. 302KobeHyōgo
    11
  304. 302KishiwadaOsaka
    11
  305. 302KameyamaMie
    11
  306. 302IzumisanoOsaka
    11
  307. 302HimimachiToyama
    11
  308. 302NagatoYamaguchi
    11
  309. 302SendaiMiyagi
    11
  310. 302SōmaFukushima
    11
  311. 302NasukarasuyamaTochigi
    11
  312. 302HigashimurayamaTokyo
    11
  313. 302ShonaiYamagata
    11
  314. 314YanagawaFukuoka
    11
  315. 314UrayasuChiba
    11
  316. 314TondabayashichōOsaka
    11
  317. 314TokyoTokyo
    11
  318. 314SōkaSaitama
    11
  319. 314ShinagawaEhime
    11
  320. 314NumataGunma
    11
  321. 314NiimiOkayama
    11
  322. 314IzumiOsaka
    11
  323. 314ItoigawaNiigata
    11
  324. 314HikariYamaguchi
    11
  325. 314AsoKumamoto
    11
  326. 314MunakataFukuoka
    11
  327. 327TokushimaTokushima
    11
  328. 327OdawaraKanagawa
    11
  329. 327Ōdachō-ōdaShimane
    11
  330. 327MachidaTokyo
    11
  331. 327KurihamaKanagawa
    11
  332. 327KumagayaSaitama
    11
  333. 327ShiroishiMiyagi
    11
  334. 327KamisuIbaraki
    11
  335. 327SaitamaSaitama
    11
  336. 327FuchūTokyo
    11
  337. 327AmaAichi
    11
  338. 327ShirakawaFukushima
    11
  339. 327YoshinogawaTokushima
    11
  340. 340AtsugiKanagawa
    10
  341. 340YokohamaKanagawa
    10
  342. 340SabaeFukui
    10
  343. 340NumazuShizuoka
    10
  344. 340NodaChiba
    10
  345. 340Niitsu-honchōNiigata
    10
  346. 340MasudaShimane
    10
  347. 340KanumaTochigi
    10
  348. 340KamakuraKanagawa
    10
  349. 340KakegawaShizuoka
    10
  350. 340KakamigaharaGifu
    10
  351. 340IseMie
    10
  352. 340HamadaShimane
    10
  353. 340FujiShizuoka
    10
  354. 340YokoteAkita
    10
  355. 340MatsushimaMiyagi
    10
  356. 340HokotaIbaraki
    10
  357. 340Minami-SōmaFukushima
    10
  358. 340YamatoKanagawa
    10
  359. 359TochigiTochigi
    10
  360. 359ŌtaGunma
    10
  361. 359KariyaAichi
    10
  362. 359KaratsuSaga
    10
  363. 359ŌmihachimanShiga
    10
  364. 359GōtsuchōShimane
    10
  365. 359MiuraKanagawa
    10
  366. 359MoriokaIwate
    10
  367. 359KesennumaMiyagi
    10
  368. 359Hitachi-NakaIbaraki
    10
  369. 359HigashimatsushimaMiyagi
    10
  370. 359SennanOsaka
    10
  371. 359TsushimaNagasaki
    10
  372. 359AzaminoKanagawa
    10
  373. 373YokotaTokyo
    10
  374. 373MatsudoChiba
    10
  375. 373MaizuruKyoto
    10
  376. 373HōryūjiNara
    10
  377. 373ChikumaNagano
    10
  378. 373TonamiToyama
    10
  379. 373KumanoMie
    10
  380. 373SadoNiigata
    10
  381. 373HabikinoOsaka
    10
  382. 373Minami-AlpsYamanashi
    10
  383. 383YokosukaKanagawa
    10
  384. 383ToyotaAichi
    10
  385. 383ToyookaHyōgo
    10
  386. 383OnoFukui
    10
  387. 383OgawamachiSaitama
    10
  388. 383NaganoNagano
    10
  389. 383HekinanAichi
    10
  390. 383GamagōriAichi
    10
  391. 383IchinosekiIwate
    10
  392. 383SusonoShizuoka
    10
  393. 393ToyonakaOsaka
    10
  394. 393KomatsuIshikawa
    10
  395. 393KainanWakayama
    10
  396. 393InuyamaAichi
    10
  397. 393Tagajō-shiMiyagi
    10
  398. 393NaritaChiba
    10
  399. 393HitachiIbaraki
    10
  400. 393GoshogawaraAomori
    10
  401. 393MinamiashigaraKanagawa
    10
  402. 393InzaiChiba
    10
  403. 393NisshinAichi
    10
  404. 404TakayamaGifu
    10
  405. 404NiigataNiigata
    10
  406. 404KashiwaChiba
    10
  407. 404GobōWakayama
    10
  408. 404FujisawaKanagawa
    10
  409. 404KimitsuChiba
    10
  410. 404InashikiIbaraki
    10
  411. 404FujiyoshidaYamanashi
    10
  412. 412YonagoTottori
    10
  413. 412ShizuokaShizuoka
    10
  414. 412ShironeNiigata
    10
  415. 412TorideIbaraki
    10
  416. 412KasamaIbaraki
    10
  417. 412NoboritoKanagawa
    10
  418. 412KyōtangoKyoto
    10
  419. 419ShimadaShizuoka
    9
  420. 419Kameda-honchōNiigata
    9
  421. 419IidaNagano
    9
  422. 419HamamatsuShizuoka
    9
  423. 419FujiedaShizuoka
    9
  424. 419HanamakiIwate
    9
  425. 419EbinaKanagawa
    9
  426. 419Aizu-WakamatsuFukushima
    9
  427. 419UnnanShimane
    9
  428. 428NanaoIshikawa
    9
  429. 428MatsutōIshikawa
    9
  430. 428KoshigayaSaitama
    9
  431. 428KisarazuChiba
    9
  432. 428KanazawaIshikawa
    9
  433. 428YokoshibaChiba
    9
  434. 428NoshiroAkita
    9
  435. 428HachinoheAomori
    9
  436. 428AmamiKagoshima
    9
  437. 428KamagayaChiba
    9
  438. 428NarashinoChiba
    9
  439. 439ToyohashiAichi
    9
  440. 439TanabeWakayama
    9
  441. 439SuzakaNagano
    9
  442. 439SusakiKochi
    9
  443. 439MakiNiigata
    9
  444. 439Kashima-shiIbaraki
    9
  445. 439YotsukaidōChiba
    9
  446. 439IchiharaChiba
    9
  447. 439HirosakiAomori
    9
  448. 439MinamiuonumaNiigata
    9
  449. 439YonoOsaka
    9
  450. 450ShimaMie
    9
  451. 450HakuiIshikawa
    9
  452. 450YachimataChiba
    9
  453. 450ŌharaChiba
    9
  454. 450KikugawaShizuoka
    9
  455. 450KosaiShizuoka
    9
  456. 450NankokuKochi
    9
  457. 457TakatsukiOsaka
    9
  458. 457NishiwakiHyōgo
    9
  459. 457NakamuraKochi
    9
  460. 457KitaibarakiIbaraki
    9
  461. 457AjikiChiba
    9
  462. 457SōsaChiba
    9
  463. 457KuriharaMiyagi
    9
  464. 464SakaiminatoTottori
    9
  465. 464SakuraChiba
    9
  466. 464OmigawaChiba
    9
  467. 464MobaraChiba
    9
  468. 464AkitaAkita
    9
  469. 464OyabeToyama
    9
  470. 464TomeMiyagi
    9
  471. 464IkiNagasaki
    9
  472. 472InoKochi
    9
  473. 472ChoshiChiba
    9
  474. 472MinamichitaAichi
    9
  475. 475TateyamaChiba
    8
  476. 475NahaOkinawa
    8
  477. 475IshigakiOkinawa
    8
  478. 475MiyakoIwate
    8
  479. 475AsahikawaHokkaido
    8
  480. 475IzunokuniShizuoka
    8
  481. 475OgaAkita
    8
  482. 482GeroGifu
    8
  483. 482HamakitaShizuoka
    8
  484. 482OkinawaOkinawa
    8
  485. 482NasushiobaraTochigi
    8
  486. 482TakizawaIwate
    8
  487. 487InaNagano
    8
  488. 487TōganeChiba
    8
  489. 489MatsueShimane
    8
  490. 489WakuyaMiyagi
    8
  491. 489ŌdateAkita
    8
  492. 489KagaIshikawa
    8
  493. 489YurihonjōAkita
    8
  494. 494UedaNagano
    8
  495. 494SumotoHyōgo
    8
  496. 494MiyakojimaOkinawa
    8
  497. 497NonoichiIshikawa
    8
  498. 497ŌshūIwate
    8
  499. 497SodegauraChiba
    8
  500. 500KamaishiIwate
    7
  501. 500TomakomaiHokkaido
    7
  502. 500SapporoHokkaido
    7
  503. 503ShinshiroAichi
    7
  504. 503KogaIbaraki
    7
  505. 503KitamiHokkaido
    7
  506. 506KushiroHokkaido
    7
  507. 507ShingūWakayama
    7
  508. 507KanoyaKagoshima
    7
  509. 507AnamizuIshikawa
    7
  510. 507HakodateHokkaido
    7
  511. 511TsubataIshikawa
    7
  512. 512KujiIwate
    7
  513. 513IbiGifu
    6
  514. 514ObihiroHokkaido
    6
Excellent0–50
Good51–100
Lightly polluted101–150
Moderately polluted151–200
Heavily polluted201–300
Severely polluted301+

China's Air Quality Index (HJ 633-2012), PM2.5 individual index. 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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