SmogRank / Countries / United States / 2023

Most polluted cities in United States, 2023

535 cities in United States ranked by their average PM2.5 over the 365 days; 494 above the WHO annual guideline (5.0 µg/m³). Worst: Calexico at 17.4 µg/m³, #39 of 969 cities in the world. Cleanest: Marysville at 1.9. A city needs measurements on 70% of the days to be ranked.

  1. 1CalexicoCalifornia
    17.43.5×
  2. 2BirminghamAlabama
    14.62.9×
  3. 3IndianapolisIndiana
    14.12.8×
  4. 4DearbornMichigan
    13.82.8×
  5. 5DetroitMichigan
    13.32.7×
  6. 6BakersfieldCalifornia
    12.92.6×
  7. 6HanfordCalifornia
    12.92.6×
  8. 8Calumet CityIllinois
    12.72.5×
  9. 8Grand RapidsMichigan
    12.72.5×
  10. 8ClevelandOhio
    12.72.5×
  11. 8ComptonCalifornia
    12.72.5×
  12. 12ClintonIowa
    12.62.5×
  13. 13NapervilleIllinois
    12.52.5×
  14. 13KalamazooMichigan
    12.52.5×
  15. 13RedfordMichigan
    12.52.5×
  16. 13West MifflinPennsylvania
    12.52.5×
  17. 17CantonOhio
    12.42.5×
  18. 17FresnoCalifornia
    12.42.5×
  19. 19East RidgeTennessee
    12.32.5×
  20. 19JolietIllinois
    12.32.5×
  21. 19ElizabethNew Jersey
    12.32.5×
  22. 19HarrisburgPennsylvania
    12.32.5×
  23. 19LancasterPennsylvania
    12.32.5×
  24. 19Los AngelesCalifornia
    12.32.5×
  25. 19VisaliaCalifornia
    12.32.5×
  26. 26Little RockArkansas
    12.22.4×
  27. 26RockfordIllinois
    12.22.4×
  28. 26East ChicagoIndiana
    12.22.4×
  29. 26BismarckNorth Dakota
    12.22.4×
  30. 26MedfordOregon
    12.22.4×
  31. 31HernandoMississippi
    12.12.4×
  32. 31NorwoodOhio
    12.12.4×
  33. 31HoustonTexas
    12.12.4×
  34. 31West FargoNorth Dakota
    12.12.4×
  35. 31WaukeshaWisconsin
    12.12.4×
  36. 31Jurupa ValleyCalifornia
    12.12.4×
  37. 31RedmondOregon
    12.12.4×
  38. 38DublinOhio
    12.02.4×
  39. 39HueytownAlabama
    11.92.4×
  40. 39East Saint LouisIllinois
    11.92.4×
  41. 39JeffersonvilleIndiana
    11.92.4×
  42. 39DavenportIowa
    11.92.4×
  43. 39BadgerAlaska
    11.92.4×
  44. 44TexarkanaTexas
    11.82.4×
  45. 44Franklin ParkIllinois
    11.82.4×
  46. 44ShakopeeMinnesota
    11.82.4×
  47. 47Granite CityIllinois
    11.72.3×
  48. 47LouisvilleKentucky
    11.72.3×
  49. 47WaterlooIowa
    11.72.3×
  50. 47Des PlainesIllinois
    11.72.3×
  51. 47South BendIndiana
    11.72.3×
  52. 52BaytownTexas
    11.62.3×
  53. 52MolineIllinois
    11.62.3×
  54. 52HollandMichigan
    11.62.3×
  55. 52MinneapolisMinnesota
    11.62.3×
  56. 52LebanonPennsylvania
    11.62.3×
  57. 57Valley StationKentucky
    11.42.3×
  58. 57SpringfieldOhio
    11.42.3×
  59. 57AnkenyIowa
    11.42.3×
  60. 57BloomingtonIllinois
    11.42.3×
  61. 57NorthbrookIllinois
    11.42.3×
  62. 57HammondIndiana
    11.42.3×
  63. 57JenisonMichigan
    11.42.3×
  64. 57Saint PaulMinnesota
    11.42.3×
  65. 57MadisonWisconsin
    11.42.3×
  66. 57South MilwaukeeWisconsin
    11.42.3×
  67. 57Great FallsMontana
    11.42.3×
  68. 68Terre HauteIndiana
    11.32.3×
  69. 68ShreveportLouisiana
    11.32.3×
  70. 68DaytonOhio
    11.32.3×
  71. 68YorkPennsylvania
    11.32.3×
  72. 68Port HuronMichigan
    11.32.3×
  73. 68TaylorMichigan
    11.32.3×
  74. 68YpsilantiMichigan
    11.32.3×
  75. 75HattiesburgMississippi
    11.22.2×
  76. 75PennsaukenNew Jersey
    11.22.2×
  77. 75CincinnatiOhio
    11.22.2×
  78. 75LansingMichigan
    11.22.2×
  79. 75WarrenOhio
    11.22.2×
  80. 75AppletonWisconsin
    11.22.2×
  81. 81WilmingtonDelaware
    11.12.2×
  82. 81ChattanoogaTennessee
    11.12.2×
  83. 81Candler-McAfeeGeorgia
    11.12.2×
  84. 84SulphurLouisiana
    11.02.2×
  85. 84ChesterPennsylvania
    11.02.2×
  86. 84CaryIllinois
    11.02.2×
  87. 84RochesterMinnesota
    11.02.2×
  88. 84Grants PassOregon
    11.02.2×
  89. 89AlbanyGeorgia
    10.92.2×
  90. 89GainesvilleGeorgia
    10.92.2×
  91. 89St. LouisMissouri
    10.92.2×
  92. 89PhiladelphiaPennsylvania
    10.92.2×
  93. 89Missouri CityTexas
    10.92.2×
  94. 89Oak LawnIllinois
    10.92.2×
  95. 89Apple ValleyMinnesota
    10.92.2×
  96. 96SpringfieldIllinois
    10.82.2×
  97. 96Kansas CityKansas
    10.82.2×
  98. 96JeffersontownKentucky
    10.82.2×
  99. 96JacksonMississippi
    10.82.2×
  100. 96Winston-SalemNorth Carolina
    10.82.2×
  101. 96Saint CloudMinnesota
    10.82.2×
  102. 96YoungstownOhio
    10.82.2×
  103. 96CarlislePennsylvania
    10.82.2×
  104. 96PittsburghPennsylvania
    10.82.2×
  105. 96TurlockCalifornia
    10.82.2×
  106. 106TrussvilleAlabama
    10.72.1×
  107. 106SpartanburgSouth Carolina
    10.72.1×
  108. 106PasadenaTexas
    10.72.1×
  109. 106ChicagoIllinois
    10.72.1×
  110. 106AndersonIndiana
    10.72.1×
  111. 106AkronOhio
    10.72.1×
  112. 106BethlehemPennsylvania
    10.72.1×
  113. 106AnaheimCalifornia
    10.72.1×
  114. 106Hawthornelow-cost sensorsCalifornia
    10.72.1×
  115. 106ModestoCalifornia
    10.72.1×
  116. 116NewarkDelaware
    10.62.1×
  117. 116MaconGeorgia
    10.62.1×
  118. 116ConroeTexas
    10.62.1×
  119. 116Port ArthurTexas
    10.62.1×
  120. 116Saint MichaelMinnesota
    10.62.1×
  121. 116ReadingPennsylvania
    10.62.1×
  122. 116WilkinsburgPennsylvania
    10.62.1×
  123. 116Green BayWisconsin
    10.62.1×
  124. 124Saint MatthewsKentucky
    10.52.1×
  125. 124Baton RougeLouisiana
    10.52.1×
  126. 124RaleighNorth Carolina
    10.52.1×
  127. 124BartlettTennessee
    10.52.1×
  128. 124San AntonioTexas
    10.52.1×
  129. 129GreensboroNorth Carolina
    10.42.1×
  130. 129GreenvilleSouth Carolina
    10.42.1×
  131. 129KnoxvilleTennessee
    10.42.1×
  132. 129AustinTexas
    10.42.1×
  133. 129Rose HillVirginia
    10.42.1×
  134. 129ElkhartIndiana
    10.42.1×
  135. 129NorristownPennsylvania
    10.42.1×
  136. 129Eau ClaireWisconsin
    10.42.1×
  137. 129Carsonlow-cost sensorsCalifornia
    10.42.1×
  138. 129MaderaCalifornia
    10.42.1×
  139. 139Ferry PassFlorida
    10.32.1×
  140. 139LawrencevilleGeorgia
    10.32.1×
  141. 139ElktonMaryland
    10.32.1×
  142. 139TulsaOklahoma
    10.32.1×
  143. 139DallasTexas
    10.32.1×
  144. 139GaryIndiana
    10.32.1×
  145. 139PortageIndiana
    10.32.1×
  146. 139MedinaOhio
    10.32.1×
  147. 139AllentownPennsylvania
    10.32.1×
  148. 139ScrantonPennsylvania
    10.32.1×
  149. 139CorcoranCalifornia
    10.32.1×
  150. 139RichmondCalifornia
    10.32.1×
  151. 151GadsdenAlabama
    10.22.0×
  152. 151Phenix CityAlabama
    10.22.0×
  153. 151BearDelaware
    10.22.0×
  154. 151ValdostaGeorgia
    10.22.0×
  155. 151Ponca CityOklahoma
    10.22.0×
  156. 151FlorenceSouth Carolina
    10.22.0×
  157. 151Fort WorthTexas
    10.22.0×
  158. 151New York CityNew York
    10.22.0×
  159. 151BurbankCalifornia
    10.22.0×
  160. 160SpringfieldVirginia
    10.12.0×
  161. 160EwingNew Jersey
    10.12.0×
  162. 160WatertownSouth Dakota
    10.12.0×
  163. 160La CrosseWisconsin
    10.12.0×
  164. 160PortervilleCalifornia
    10.12.0×
  165. 165TopekaKansas
    10.02.0×
  166. 165ClemmonsNorth Carolina
    10.02.0×
  167. 165MooreOklahoma
    10.02.0×
  168. 165LindenNew Jersey
    10.02.0×
  169. 165BuffaloNew York
    10.02.0×
  170. 165McKeesportPennsylvania
    10.02.0×
  171. 171Warner RobinsGeorgia
    9.92.0×
  172. 171Saint JosephMissouri
    9.92.0×
  173. 171PascagoulaMississippi
    9.92.0×
  174. 171MorrisvilleNorth Carolina
    9.92.0×
  175. 171Long BeachCalifornia
    9.92.0×
  176. 171San DiegoCalifornia
    9.92.0×
  177. 171BendOregon
    9.92.0×
  178. 171RoseburgOregon
    9.92.0×
  179. 179HuntsvilleAlabama
    9.82.0×
  180. 179WashingtonDistrict of Columbia
    9.82.0×
  181. 179AtlantaGeorgia
    9.82.0×
  182. 179MuscatineIowa
    9.82.0×
  183. 179ZionIllinois
    9.82.0×
  184. 179AltoonaPennsylvania
    9.82.0×
  185. 179BrawleyCalifornia
    9.82.0×
  186. 179AshlandOregon
    9.82.0×
  187. 187West MemphisArkansas
    9.71.9×
  188. 187OlatheKansas
    9.71.9×
  189. 187AshlandKentucky
    9.71.9×
  190. 187GulfportMississippi
    9.71.9×
  191. 187EdinburgTexas
    9.71.9×
  192. 187Mission BendTexas
    9.71.9×
  193. 187Des MoinesIowa
    9.71.9×
  194. 187Bay CityMichigan
    9.71.9×
  195. 187State CollegePennsylvania
    9.71.9×
  196. 187BridgeportConnecticut
    9.71.9×
  197. 187Torrancelow-cost sensorsCalifornia
    9.71.9×
  198. 187SunnysideWashington
    9.71.9×
  199. 187MidwayFlorida
    9.71.9×
  200. 200Fort LauderdaleFlorida
    9.61.9×
  201. 200AthensGeorgia
    9.61.9×
  202. 200LexingtonNorth Carolina
    9.61.9×
  203. 200EdmondOklahoma
    9.61.9×
  204. 200JenksOklahoma
    9.61.9×
  205. 200Oklahoma CityOklahoma
    9.61.9×
  206. 200SaginawTexas
    9.61.9×
  207. 200LafayetteIndiana
    9.61.9×
  208. 200New BrunswickNew Jersey
    9.61.9×
  209. 209PaducahKentucky
    9.51.9×
  210. 209SavannahGeorgia
    9.51.9×
  211. 209BloomingtonIndiana
    9.51.9×
  212. 209ElizabethtownKentucky
    9.51.9×
  213. 209CharlotteNorth Carolina
    9.51.9×
  214. 209FayettevilleNorth Carolina
    9.51.9×
  215. 209LebanonOhio
    9.51.9×
  216. 209MasonOhio
    9.51.9×
  217. 209RichmondVirginia
    9.51.9×
  218. 209BanningCalifornia
    9.51.9×
  219. 209ClovisCalifornia
    9.51.9×
  220. 209Santa ClaritaCalifornia
    9.51.9×
  221. 221DoverDelaware
    9.41.9×
  222. 221TallahasseeFlorida
    9.41.9×
  223. 221CorsicanaTexas
    9.41.9×
  224. 221LaredoTexas
    9.41.9×
  225. 221KokomoIndiana
    9.41.9×
  226. 221ToledoOhio
    9.41.9×
  227. 221EriePennsylvania
    9.41.9×
  228. 221El CajonCalifornia
    9.41.9×
  229. 221Inglewoodlow-cost sensorsCalifornia
    9.41.9×
  230. 221SpokaneWashington
    9.41.9×
  231. 231CharlottesvilleVirginia
    9.31.9×
  232. 231AlbanyNew York
    9.31.9×
  233. 231AltamontOregon
    9.31.9×
  234. 234East LakeFlorida
    9.21.8×
  235. 234FishersIndiana
    9.21.8×
  236. 234Toms RiverNew Jersey
    9.21.8×
  237. 234North CharlestonSouth Carolina
    9.21.8×
  238. 234Saint AndrewsSouth Carolina
    9.21.8×
  239. 234MercedCalifornia
    9.21.8×
  240. 234Yuba CityCalifornia
    9.21.8×
  241. 234LewistonIdaho
    9.21.8×
  242. 242ColumbusIndiana
    9.11.8×
  243. 242Lexington-FayetteKentucky
    9.11.8×
  244. 242East HamptonVirginia
    9.11.8×
  245. 242FlintMichigan
    9.11.8×
  246. 242GlendoraCalifornia
    9.11.8×
  247. 242Rapid CitySouth Dakota
    9.11.8×
  248. 242La Crescenta-Montroselow-cost sensorsCalifornia
    9.11.8×
  249. 249University CityMissouri
    9.01.8×
  250. 249ClaytonNorth Carolina
    9.01.8×
  251. 249Corpus ChristiTexas
    9.01.8×
  252. 249ChesapeakeVirginia
    9.01.8×
  253. 249PatersonNew Jersey
    9.01.8×
  254. 249RochesterNew York
    9.01.8×
  255. 255McAlesterOklahoma
    8.91.8×
  256. 255New HavenConnecticut
    8.91.8×
  257. 255SpringfieldMassachusetts
    8.91.8×
  258. 255Jersey CityNew Jersey
    8.91.8×
  259. 255KenmoreNew York
    8.91.8×
  260. 255SuperiorWisconsin
    8.91.8×
  261. 255PhoenixArizona
    8.91.8×
  262. 255Redwood CityCalifornia
    8.91.8×
  263. 255Santa Monicalow-cost sensorsCalifornia
    8.91.8×
  264. 255YakimaWashington
    8.91.8×
  265. 265Coconut CreekFlorida
    8.81.8×
  266. 265OcalaFlorida
    8.81.8×
  267. 265Ponte Vedra BeachFlorida
    8.81.8×
  268. 265McDonoughGeorgia
    8.81.8×
  269. 265BaltimoreMaryland
    8.81.8×
  270. 265PleasantvilleNew Jersey
    8.81.8×
  271. 265JacksonTennessee
    8.81.8×
  272. 265RoanokeVirginia
    8.81.8×
  273. 265DanburyConnecticut
    8.81.8×
  274. 265BlaineMinnesota
    8.81.8×
  275. 265HermitagePennsylvania
    8.81.8×
  276. 265Lomitalow-cost sensorsCalifornia
    8.81.8×
  277. 265OceansideCalifornia
    8.81.8×
  278. 265SacramentoCalifornia
    8.81.8×
  279. 265Spokane ValleyWashington
    8.81.8×
  280. 280ScaggsvilleMaryland
    8.71.7×
  281. 280Kansas CityMissouri
    8.71.7×
  282. 280Fort LeeNew Jersey
    8.71.7×
  283. 280LimaOhio
    8.71.7×
  284. 280YumaArizona
    8.71.7×
  285. 285Bonita SpringsFlorida
    8.61.7×
  286. 285VeniceFlorida
    8.61.7×
  287. 285BrunswickGeorgia
    8.61.7×
  288. 285ArnoldMissouri
    8.61.7×
  289. 285South VinelandNew Jersey
    8.61.7×
  290. 285DentonTexas
    8.61.7×
  291. 285HartfordConnecticut
    8.61.7×
  292. 285GreenfieldMassachusetts
    8.61.7×
  293. 285MantecaCalifornia
    8.61.7×
  294. 285ParadiseCalifornia
    8.61.7×
  295. 285VictorvilleCalifornia
    8.61.7×
  296. 296South LaurelMaryland
    8.51.7×
  297. 296Roanoke RapidsNorth Carolina
    8.51.7×
  298. 296ConwaySouth Carolina
    8.51.7×
  299. 296Columbia CityWashington
    8.51.7×
  300. 300GreenvilleNorth Carolina
    8.41.7×
  301. 300BellevueNebraska
    8.41.7×
  302. 300OmahaNebraska
    8.41.7×
  303. 300ChicoCalifornia
    8.41.7×
  304. 300Coeur d'AleneIdaho
    8.41.7×
  305. 300Arden-ArcadeCalifornia
    8.41.7×
  306. 306Fort SmithArkansas
    8.31.7×
  307. 306TampaFlorida
    8.31.7×
  308. 306EdgewoodMaryland
    8.31.7×
  309. 306White OakOhio
    8.31.7×
  310. 306HopewellVirginia
    8.31.7×
  311. 306Agouralow-cost sensorsCalifornia
    8.31.7×
  312. 306UkiahCalifornia
    8.31.7×
  313. 306West JordanUtah
    8.31.7×
  314. 306Moses LakeWashington
    8.31.7×
  315. 306FairbanksAlaska
    8.31.7×
  316. 316JacksonvilleFlorida
    8.21.6×
  317. 316DurhamNorth Carolina
    8.21.6×
  318. 316College StationTexas
    8.21.6×
  319. 316BurlingtonVermont
    8.21.6×
  320. 316Santa BarbaraCalifornia
    8.21.6×
  321. 316Eagle PassTexas
    8.21.6×
  322. 322HomesteadFlorida
    8.11.6×
  323. 322MiamiFlorida
    8.11.6×
  324. 322New OrleansLouisiana
    8.11.6×
  325. 322Hunt ValleyMaryland
    8.11.6×
  326. 322CookevilleTennessee
    8.11.6×
  327. 322New LondonConnecticut
    8.11.6×
  328. 322Grand IslandNebraska
    8.11.6×
  329. 322LincolnNebraska
    8.11.6×
  330. 322NewburghNew York
    8.11.6×
  331. 322PainesvilleOhio
    8.11.6×
  332. 322OaklandCalifornia
    8.11.6×
  333. 322ThorntonColorado
    8.11.6×
  334. 334Daytona BeachFlorida
    8.01.6×
  335. 334DyersburgTennessee
    8.01.6×
  336. 334CharlestonWest Virginia
    8.01.6×
  337. 334NogalesArizona
    8.01.6×
  338. 334SalinasCalifornia
    8.01.6×
  339. 339FairhopeAlabama
    7.91.6×
  340. 339Fruit CoveFlorida
    7.91.6×
  341. 339LemayMissouri
    7.91.6×
  342. 339BeltonTexas
    7.91.6×
  343. 339PittsfieldMassachusetts
    7.91.6×
  344. 339KeeneNew Hampshire
    7.91.6×
  345. 339RutlandVermont
    7.91.6×
  346. 339San JoseCalifornia
    7.91.6×
  347. 339HermistonOregon
    7.91.6×
  348. 339RentonWashington
    7.91.6×
  349. 349DecaturAlabama
    7.81.6×
  350. 349HendersonvilleTennessee
    7.81.6×
  351. 349WorcesterMassachusetts
    7.81.6×
  352. 349UticaNew York
    7.81.6×
  353. 349GahannaOhio
    7.81.6×
  354. 349ProvidenceRhode Island
    7.81.6×
  355. 349Las VegasNevada
    7.81.6×
  356. 356ClarksvilleTennessee
    7.71.5×
  357. 356ColumbiaTennessee
    7.71.5×
  358. 356BostonMassachusetts
    7.71.5×
  359. 356HaverhillMassachusetts
    7.71.5×
  360. 356AberdeenSouth Dakota
    7.71.5×
  361. 356El PasoTexas
    7.71.5×
  362. 356ButteMontana
    7.71.5×
  363. 363SarasotaFlorida
    7.61.5×
  364. 363LafayetteLouisiana
    7.61.5×
  365. 363KingsportTennessee
    7.61.5×
  366. 363BayonneNew Jersey
    7.61.5×
  367. 363RosevilleCalifornia
    7.61.5×
  368. 363DenverColorado
    7.61.5×
  369. 363SocorroTexas
    7.61.5×
  370. 363ParklandWashington
    7.61.5×
  371. 363WenatcheeWashington
    7.61.5×
  372. 372LakelandFlorida
    7.51.5×
  373. 372Winter ParkFlorida
    7.51.5×
  374. 372HagerstownMaryland
    7.51.5×
  375. 372LawtonOklahoma
    7.51.5×
  376. 372BrocktonMassachusetts
    7.51.5×
  377. 372BrookingsSouth Dakota
    7.51.5×
  378. 372GreeleyColorado
    7.51.5×
  379. 372Salt Lake CityUtah
    7.51.5×
  380. 372SeattleWashington
    7.51.5×
  381. 381Deerfield BeachFlorida
    7.41.5×
  382. 381Delray BeachFlorida
    7.41.5×
  383. 381ValricoFlorida
    7.41.5×
  384. 381WellingtonFlorida
    7.41.5×
  385. 381Fall RiverMassachusetts
    7.41.5×
  386. 381GlendaleArizona
    7.41.5×
  387. 381TempeArizona
    7.41.5×
  388. 381ReddingCalifornia
    7.41.5×
  389. 381BillingsMontana
    7.41.5×
  390. 381Spanish ForkUtah
    7.41.5×
  391. 381Walla WallaWashington
    7.41.5×
  392. 392DavieFlorida
    7.31.5×
  393. 392Palm CityFlorida
    7.31.5×
  394. 392LibertyMissouri
    7.31.5×
  395. 392SpringfieldMissouri
    7.31.5×
  396. 392North ChicopeeMassachusetts
    7.31.5×
  397. 392PortlandMaine
    7.31.5×
  398. 392Arroyo GrandeCalifornia
    7.31.5×
  399. 392TacomaWashington
    7.31.5×
  400. 400AdaOklahoma
    7.21.4×
  401. 400New CityNew York
    7.21.4×
  402. 400Casa GrandeArizona
    7.21.4×
  403. 400NampaIdaho
    7.21.4×
  404. 400AuburnWashington
    7.21.4×
  405. 405Belle GladeFlorida
    7.11.4×
  406. 405LowellMassachusetts
    7.11.4×
  407. 405QuincyMassachusetts
    7.11.4×
  408. 405White PlainsNew York
    7.11.4×
  409. 405Simi ValleyCalifornia
    7.11.4×
  410. 405MagnaUtah
    7.11.4×
  411. 405EllensburgWashington
    7.11.4×
  412. 412Safety HarborFlorida
    7.01.4×
  413. 412RockvilleMaryland
    7.01.4×
  414. 412AshevilleNorth Carolina
    7.01.4×
  415. 412Rio RanchoNew Mexico
    7.01.4×
  416. 412OdessaTexas
    7.01.4×
  417. 412TigardOregon
    7.01.4×
  418. 412BountifulUtah
    7.01.4×
  419. 419GainesvilleFlorida
    6.91.4×
  420. 419Lake MaryFlorida
    6.91.4×
  421. 419Palm BayFlorida
    6.91.4×
  422. 419GaltCalifornia
    6.91.4×
  423. 419Port AngelesWashington
    6.91.4×
  424. 424WestonFlorida
    6.81.4×
  425. 424MesaArizona
    6.81.4×
  426. 424Lake ElsinoreCalifornia
    6.81.4×
  427. 424OremUtah
    6.81.4×
  428. 428LynnMassachusetts
    6.71.3×
  429. 428PortsmouthNew Hampshire
    6.71.3×
  430. 428Sioux FallsSouth Dakota
    6.71.3×
  431. 428LivermoreCalifornia
    6.71.3×
  432. 428PendletonOregon
    6.71.3×
  433. 433CoventryRhode Island
    6.61.3×
  434. 433LincolnCalifornia
    6.61.3×
  435. 433San LeandroCalifornia
    6.61.3×
  436. 433TruckeeCalifornia
    6.61.3×
  437. 433EugeneOregon
    6.61.3×
  438. 433SalemOregon
    6.61.3×
  439. 433GilletteWyoming
    6.61.3×
  440. 433Tri-CitiesWashington
    6.61.3×
  441. 441TucsonArizona
    6.51.3×
  442. 441ConcordCalifornia
    6.51.3×
  443. 441DavisCalifornia
    6.51.3×
  444. 444AlbuquerqueNew Mexico
    6.41.3×
  445. 444MeridianIdaho
    6.41.3×
  446. 444ShorelineWashington
    6.41.3×
  447. 447RaymoreMissouri
    6.31.3×
  448. 447AmarilloTexas
    6.31.3×
  449. 447MoscowIdaho
    6.31.3×
  450. 450DerryNew Hampshire
    6.21.2×
  451. 450Fort CollinsColorado
    6.21.2×
  452. 452FillmoreCalifornia
    6.11.2×
  453. 452RenoNevada
    6.11.2×
  454. 452BoiseIdaho
    6.11.2×
  455. 452HerrimanUtah
    6.11.2×
  456. 452HighlandUtah
    6.11.2×
  457. 457Spanish SpringsNevada
    6.01.2×
  458. 457MissoulaMontana
    6.01.2×
  459. 457AlbanyOregon
    6.01.2×
  460. 460Casas AdobesArizona
    5.91.2×
  461. 461LewistonMaine
    5.81.2×
  462. 461Colorado SpringsColorado
    5.81.2×
  463. 461WoodburnOregon
    5.81.2×
  464. 461CentraliaWashington
    5.81.2×
  465. 461PullmanWashington
    5.81.2×
  466. 466LaconiaNew Hampshire
    5.71.1×
  467. 466MaranaArizona
    5.71.1×
  468. 466Santa CruzCalifornia
    5.71.1×
  469. 466Ken CarylColorado
    5.71.1×
  470. 466BozemanMontana
    5.71.1×
  471. 466CanbyOregon
    5.71.1×
  472. 466TooeleUtah
    5.71.1×
  473. 473BangorMaine
    5.61.1×
  474. 473NipomoCalifornia
    5.61.1×
  475. 473San RafaelCalifornia
    5.61.1×
  476. 473LubbockTexas
    5.61.1×
  477. 473Idaho FallsIdaho
    5.61.1×
  478. 473Salmon CreekWashington
    5.61.1×
  479. 473VancouverWashington
    5.61.1×
  480. 473CheyenneWyoming
    5.61.1×
  481. 481Carson CityNevada
    5.51.1×
  482. 482North OgdenUtah
    5.41.1×
  483. 483LompocCalifornia
    5.31.1×
  484. 483Cedar CityUtah
    5.31.1×
  485. 483PortlandOregon
    5.31.1×
  486. 483BellinghamWashington
    5.31.1×
  487. 487Santa RosaCalifornia
    5.21.0×
  488. 487Spring ValleyNevada
    5.21.0×
  489. 487Twin FallsIdaho
    5.21.0×
  490. 487GreshamOregon
    5.21.0×
  491. 487BremertonWashington
    5.21.0×
  492. 492TracyCalifornia
    5.11.0×
  493. 492HendersonNevada
    5.11.0×
  494. 492LongviewWashington
    5.11.0×
  495. 495San Luis ObispoCalifornia
    5.01.0×
  496. 495VacavilleCalifornia
    5.01.0×
  497. 495Makakilo / Kapolei / Honokai HaleHawaii
    5.01.0×
  498. 498HollisterCalifornia
    4.91.0×
  499. 498BeavertonOregon
    4.91.0×
  500. 498PascoWashington
    4.91.0×
  501. 501OrcuttCalifornia
    4.81.0×
  502. 501Las CrucesNew Mexico
    4.81.0×
  503. 501PocatelloIdaho
    4.81.0×
  504. 501Forest GroveOregon
    4.81.0×
  505. 501McMinnvilleOregon
    4.81.0×
  506. 501Mount VernonWashington
    4.81.0×
  507. 507GilroyCalifornia
    4.70.9×
  508. 508HurricaneUtah
    4.60.9×
  509. 508MilwaukieOregon
    4.60.9×
  510. 508Rock SpringsWyoming
    4.60.9×
  511. 511LancasterCalifornia
    4.50.9×
  512. 511AberdeenWashington
    4.50.9×
  513. 511OrchardsWashington
    4.50.9×
  514. 511AnchorageAlaska
    4.50.9×
  515. 515EnterpriseNevada
    4.40.9×
  516. 516AtascaderoCalifornia
    4.30.9×
  517. 516Grand JunctionColorado
    4.30.9×
  518. 516Apache JunctionArizona
    4.30.9×
  519. 516DallasOregon
    4.30.9×
  520. 516LaceyWashington
    4.30.9×
  521. 521Coos BayOregon
    4.20.8×
  522. 521Summerlin SouthNevada
    4.20.8×
  523. 523Boulder CityNevada
    4.10.8×
  524. 524MesquiteNevada
    4.00.8×
  525. 524BellevueWashington
    4.00.8×
  526. 524HonoluluHawaii
    4.00.8×
  527. 527KahuluiHawaii
    3.80.8×
  528. 528CorvallisOregon
    3.70.7×
  529. 529Green ValleyArizona
    3.60.7×
  530. 529CasperWyoming
    3.60.7×
  531. 531LaramieWyoming
    3.50.7×
  532. 532HiloHawaii
    3.30.7×
  533. 533AnacortesWashington
    3.10.6×
  534. 534Oak HarborWashington
    2.60.5×
  535. 535MarysvilleWashington
    1.90.4×
Good0–9.0
Moderate9.1–35.4
Sensitive groups35.5–55.4
Unhealthy55.5–125.4
Very unhealthy125.5–225.4
Hazardous225.5+

All cities in the world, 2023 · United States now

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SmogRank, most polluted cities in United States, PM2.5, 2023, smogrank.com/us/history/2023 (accessed 2 Oct 2026).

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