SmogRank / World / United States / August 2024

Most polluted cities in United States, August 2024

626 cities in United States ranked by their average PM2.5 over the 31 days. Worst: Boise at 25.0 µg/m³, #23 of 1,551 cities in the world. Cleanest: Green Valley at 2.4. A city needs measurements on 70% of the days to be ranked.

← Boise 25.0 µg/m³ 20 µg/m³0
Every city in United States ranked for August 2024, one column each, worst on the left and cleanest on the right; height is PM2.5 in µg/m³. Point at it to read a city; tap to open it.
  1. 1BoiseIdaho
    42
  2. 2MeridianIdaho
    42
  3. 3NampaIdaho
    37
  4. 4AltamontOregon
    32
  5. 5BartlettTennessee
    30
  6. 6Twin FallsIdaho
    30
  7. 7BirminghamAlabama
    28
  8. 8Little RockArkansas
    27
  9. 9West MemphisArkansas
    27
  10. 10Columbialow-cost sensorsMissouri
    27
  11. 10ConroeTexas
    27
  12. 12ShreveportLouisiana
    27
  13. 13Great FallsMontana
    25
  14. 14FontanaCalifornia
    25
  15. 15Jurupa ValleyCalifornia
    25
  16. 16RedfordMichigan
    25
  17. 17BendOregon
    23
  18. 18El PasoTexas
    23
  19. 19HernandoMississippi
    23
  20. 19MedfordOregon
    23
  21. 21LawrencevilleGeorgia
    23
  22. 22GainesvilleGeorgia
    23
  23. 22DallasTexas
    23
  24. 24Baton RougeLouisiana
    23
  25. 25Los AngelesCalifornia
    23
  26. 26East RidgeTennessee
    22
  27. 27SpringdaleArkansas
    22
  28. 27RiversideCalifornia
    22
  29. 27RedmondOregon
    22
  30. 30LafayetteLouisiana
    22
  31. 30BurbankCalifornia
    22
  32. 32HoustonTexas
    22
  33. 32TexarkanaTexas
    22
  34. 34SaginawTexas
    22
  35. 34GlendoraCalifornia
    22
  36. 36PortervilleCalifornia
    22
  37. 37McAlesterOklahoma
    22
  38. 37LewistonIdaho
    22
  39. 39MooreOklahoma
    22
  40. 39DublinOhio
    22
  41. 41Port ArthurTexas
    20
  42. 41FresnoCalifornia
    20
  43. 41AshlandOregon
    20
  44. 44VisaliaCalifornia
    20
  45. 45Santa ClaritaCalifornia
    20
  46. 46ChattanoogaTennessee
    20
  47. 47Chula VistaCalifornia
    20
  48. 47HelenaMontana
    20
  49. 49East Saint LouisIllinois
    20
  50. 49PhiladelphiaPennsylvania
    20
  51. 49West MifflinPennsylvania
    20
  52. 49MoscowIdaho
    20
  53. 53AtlantaGeorgia
    20
  54. 53Oklahoma CityOklahoma
    20
  55. 53Fort WorthTexas
    20
  56. 56GadsdenAlabama
    20
  57. 56ColumbusOhio
    20
  58. 56CorsicanaTexas
    20
  59. 56ChicoCalifornia
    20
  60. 60AlbanyNew York
    18
  61. 60OregonOhio
    18
  62. 60VictorvilleCalifornia
    18
  63. 63KennerLouisiana
    18
  64. 63WyomingMichigan
    18
  65. 63AnaheimCalifornia
    18
  66. 66EvansvilleIndiana
    18
  67. 66CincinnatiOhio
    18
  68. 66PocatelloIdaho
    18
  69. 69TrussvilleAlabama
    18
  70. 69JacksonMississippi
    18
  71. 69EdmondOklahoma
    18
  72. 69BeltonTexas
    18
  73. 73SulphurLouisiana
    18
  74. 73MiddletownOhio
    18
  75. 73BakersfieldCalifornia
    18
  76. 73Carsonlow-cost sensorsCalifornia
    18
  77. 73BismarckNorth Dakota
    18
  78. 78AugustaGeorgia
    18
  79. 78JeffersonvilleIndiana
    18
  80. 78LouisvilleKentucky
    18
  81. 78HattiesburgMississippi
    18
  82. 78NorwoodOhio
    18
  83. 78SpartanburgSouth Carolina
    18
  84. 78Missouri CityTexas
    18
  85. 85KennesawGeorgia
    18
  86. 85AdaOklahoma
    18
  87. 85TulsaOklahoma
    18
  88. 85HanfordCalifornia
    18
  89. 85TooeleUtah
    18
  90. 90ChalmetteLouisiana
    18
  91. 90MorrisvilleNorth Carolina
    18
  92. 90KnoxvilleTennessee
    18
  93. 90GaryIndiana
    18
  94. 94DecaturAlabama
    18
  95. 94FishersIndiana
    18
  96. 94IndianapolisIndiana
    18
  97. 94CantonOhio
    18
  98. 94ClevelandOhio
    18
  99. 94ClovisCalifornia
    18
  100. 94El CajonCalifornia
    18
  101. 94Candler-McAfeeGeorgia
    18
  102. 94MidwayFlorida
    18
  103. 103St. LouisMissouri
    18
  104. 103DurhamNorth Carolina
    18
  105. 103HendersonvilleTennessee
    18
  106. 103NashvilleTennessee
    18
  107. 103Bay CityMichigan
    18
  108. 103Hawthornelow-cost sensorsCalifornia
    18
  109. 103San DiegoCalifornia
    18
  110. 103SocorroTexas
    18
  111. 111PrichardAlabama
    17
  112. 111MissionTexas
    17
  113. 111CaryIllinois
    17
  114. 111DearbornMichigan
    17
  115. 111WestervilleOhio
    17
  116. 116FairhopeAlabama
    17
  117. 116OlatheKansas
    17
  118. 116MasonOhio
    17
  119. 116SuperiorWisconsin
    17
  120. 120HuntsvilleAlabama
    17
  121. 120ColumbusGeorgia
    17
  122. 120JasperIndiana
    17
  123. 120Valley StationKentucky
    17
  124. 120DuluthMinnesota
    17
  125. 120HarrisburgPennsylvania
    17
  126. 120MillcreekUtah
    17
  127. 120SunnysideWashington
    17
  128. 128ChesapeakeVirginia
    17
  129. 128WarrenOhio
    17
  130. 128Inglewoodlow-cost sensorsCalifornia
    17
  131. 128RichmondCalifornia
    17
  132. 132Winston-SalemNorth Carolina
    17
  133. 132BaytownTexas
    17
  134. 132East HamptonVirginia
    17
  135. 132RochesterMinnesota
    17
  136. 132PowayCalifornia
    17
  137. 132Torrancelow-cost sensorsCalifornia
    17
  138. 132La Crescenta-Montroselow-cost sensorsCalifornia
    17
  139. 139Ferry PassFlorida
    17
  140. 139PortsmouthOhio
    17
  141. 139JacksonTennessee
    17
  142. 139PasadenaTexas
    17
  143. 139Franklin ParkIllinois
    17
  144. 139Agouralow-cost sensorsCalifornia
    17
  145. 139Grants PassOregon
    17
  146. 139Rapid CitySouth Dakota
    17
  147. 139YakimaWashington
    17
  148. 148ValdostaGeorgia
    17
  149. 148Granite CityIllinois
    17
  150. 148TopekaKansas
    17
  151. 148Saint MatthewsKentucky
    17
  152. 148Saint JosephMissouri
    17
  153. 148GreensboroNorth Carolina
    17
  154. 148RaleighNorth Carolina
    17
  155. 148Roanoke RapidsNorth Carolina
    17
  156. 148DaytonOhio
    17
  157. 148LawtonOklahoma
    17
  158. 148NapervilleIllinois
    17
  159. 148HammondIndiana
    17
  160. 148West FargoNorth Dakota
    17
  161. 148SteubenvilleOhio
    17
  162. 148Lomitalow-cost sensorsCalifornia
    17
  163. 148Santa Monicalow-cost sensorsCalifornia
    17
  164. 164Fort LauderdaleFlorida
    17
  165. 164MaconGeorgia
    17
  166. 164JeffersontownKentucky
    17
  167. 164New OrleansLouisiana
    17
  168. 164NorthbrookIllinois
    17
  169. 164RockfordIllinois
    17
  170. 164New York CityNew York
    17
  171. 171OcalaFlorida
    17
  172. 171Warner RobinsGeorgia
    17
  173. 171SpringfieldIllinois
    17
  174. 171Wake Forestlow-cost sensorsNorth Carolina
    17
  175. 171AustinTexas
    17
  176. 171BurnsvilleMinnesota
    17
  177. 171ShakopeeMinnesota
    17
  178. 171BensalemPennsylvania
    17
  179. 171Coeur d'AleneIdaho
    17
  180. 171ButteMontana
    17
  181. 171HermistonOregon
    17
  182. 182PaducahKentucky
    17
  183. 182Ponte Vedra BeachFlorida
    17
  184. 182AlbanyGeorgia
    17
  185. 182SpringfieldOhio
    17
  186. 182Ponca CityOklahoma
    17
  187. 182GreenvilleSouth Carolina
    17
  188. 182Saint AndrewsSouth Carolina
    17
  189. 182HuntingtonWest Virginia
    17
  190. 182HartfordConnecticut
    17
  191. 182BostonMassachusetts
    17
  192. 182DetroitMichigan
    17
  193. 182EwingNew Jersey
    17
  194. 182PittsburghPennsylvania
    17
  195. 182BozemanMontana
    17
  196. 182SpokaneWashington
    17
  197. 197AthensGeorgia
    15
  198. 197GulfportMississippi
    15
  199. 197CookevilleTennessee
    15
  200. 197DyersburgTennessee
    15
  201. 197Fort WayneIndiana
    15
  202. 197PortageIndiana
    15
  203. 197BrocktonMassachusetts
    15
  204. 197Grand RapidsMichigan
    15
  205. 197Saint PaulMinnesota
    15
  206. 197ComptonCalifornia
    15
  207. 197PullmanWashington
    15
  208. 208BessemerAlabama
    15
  209. 208MontgomeryAlabama
    15
  210. 208Phenix CityAlabama
    15
  211. 208McDonoughGeorgia
    15
  212. 208DerbyKansas
    15
  213. 208PascagoulaMississippi
    15
  214. 208CharlotteNorth Carolina
    15
  215. 208HickoryNorth Carolina
    15
  216. 208College StationTexas
    15
  217. 208MankatoMinnesota
    15
  218. 208PerrysburgOhio
    15
  219. 208WheelingWest Virginia
    15
  220. 208IndioCalifornia
    15
  221. 221DoverDelaware
    15
  222. 221PennsaukenNew Jersey
    15
  223. 221ChesterPennsylvania
    15
  224. 221ColumbiaTennessee
    15
  225. 221Live OakTexas
    15
  226. 221AshburnVirginia
    15
  227. 221DanburyConnecticut
    15
  228. 221JolietIllinois
    15
  229. 221Saint CloudMinnesota
    15
  230. 221LindenNew Jersey
    15
  231. 221McKeesportPennsylvania
    15
  232. 221WilkinsburgPennsylvania
    15
  233. 221Lake ElsinoreCalifornia
    15
  234. 221BillingsMontana
    15
  235. 221Walla WallaWashington
    15
  236. 236Fort SmithArkansas
    15
  237. 236NewarkDelaware
    15
  238. 236DecaturIllinois
    15
  239. 236Hunt ValleyMaryland
    15
  240. 236LexingtonNorth Carolina
    15
  241. 236JenksOklahoma
    15
  242. 236FlorenceSouth Carolina
    15
  243. 236North CharlestonSouth Carolina
    15
  244. 236ClintonIowa
    15
  245. 236MinneapolisMinnesota
    15
  246. 236YoungstownOhio
    15
  247. 236PendletonOregon
    15
  248. 248FayettevilleNorth Carolina
    15
  249. 248Atlantic CityNew Jersey
    15
  250. 248PleasantvilleNew Jersey
    15
  251. 248Toms RiverNew Jersey
    15
  252. 248BrookfieldIllinois
    15
  253. 248ElkhartIndiana
    15
  254. 248MuncieIndiana
    15
  255. 248TrentonNew Jersey
    15
  256. 248RutlandVermont
    15
  257. 248CorcoranCalifornia
    15
  258. 258WashingtonDistrict of Columbia
    15
  259. 258East LakeFlorida
    15
  260. 258Lake MaryFlorida
    15
  261. 258TallahasseeFlorida
    15
  262. 258Mission BendTexas
    15
  263. 258LowellMassachusetts
    15
  264. 258SpringfieldMassachusetts
    15
  265. 258ElizabethNew Jersey
    15
  266. 258OceansideCalifornia
    15
  267. 258ReddingCalifornia
    15
  268. 258RexburgIdaho
    15
  269. 269ClarksvilleTennessee
    15
  270. 269HarrisonburgVirginia
    15
  271. 269Cedar RapidsIowa
    15
  272. 269Calumet CityIllinois
    15
  273. 269ChampaignIllinois
    15
  274. 269Michigan CityIndiana
    15
  275. 269WorcesterMassachusetts
    15
  276. 269Saint MichaelMinnesota
    15
  277. 269ScrantonPennsylvania
    15
  278. 269MilwaukeeWisconsin
    15
  279. 269BridgeportConnecticut
    15
  280. 269Long BeachCalifornia
    15
  281. 269MaderaCalifornia
    15
  282. 269OremUtah
    15
  283. 269GilletteWyoming
    15
  284. 284Kansas CityKansas
    15
  285. 284SewellNew Jersey
    15
  286. 284MaryvilleTennessee
    15
  287. 284New HavenConnecticut
    15
  288. 284WaterlooIowa
    15
  289. 284HaverhillMassachusetts
    15
  290. 284AugustaMaine
    15
  291. 284KalamazooMichigan
    15
  292. 284Port HuronMichigan
    15
  293. 284LebanonPennsylvania
    15
  294. 284HollisterCalifornia
    15
  295. 284Yuba CityCalifornia
    15
  296. 284North OgdenUtah
    15
  297. 284Salt Lake CityUtah
    15
  298. 284West Valley CityUtah
    15
  299. 299Upper AltonIllinois
    15
  300. 299ArnoldMissouri
    15
  301. 299RichmondVirginia
    15
  302. 299Rose HillVirginia
    15
  303. 299New LondonConnecticut
    15
  304. 299WaterburyConnecticut
    15
  305. 299Des PlainesIllinois
    15
  306. 299South BendIndiana
    15
  307. 299Fall RiverMassachusetts
    15
  308. 299PortsmouthNew Hampshire
    15
  309. 299Jersey CityNew Jersey
    15
  310. 299NorristownPennsylvania
    15
  311. 299TurlockCalifornia
    15
  312. 299Sunland ParkNew Mexico
    15
  313. 299BountifulUtah
    15
  314. 314BearDelaware
    15
  315. 314WilmingtonDelaware
    15
  316. 314Fort ThomasKentucky
    15
  317. 314ClemmonsNorth Carolina
    15
  318. 314GreenvilleNorth Carolina
    15
  319. 314Corpus ChristiTexas
    15
  320. 314EdinburgTexas
    15
  321. 314TaylorTexas
    15
  322. 314CharlottesvilleVirginia
    15
  323. 314AnkenyIowa
    15
  324. 314DavenportIowa
    15
  325. 314PeoriaIllinois
    15
  326. 314PortlandMaine
    15
  327. 314FlintMichigan
    15
  328. 314OmahaNebraska
    15
  329. 314Fort LeeNew Jersey
    15
  330. 314BuffaloNew York
    15
  331. 314AkronOhio
    15
  332. 314CarlislePennsylvania
    15
  333. 314WaukeshaWisconsin
    15
  334. 314UkiahCalifornia
    15
  335. 314Spokane ValleyWashington
    15
  336. 336LakelandFlorida
    13
  337. 336Lexington-FayetteKentucky
    13
  338. 336SpringfieldVirginia
    13
  339. 336Iowa CityIowa
    13
  340. 336AndersonIndiana
    13
  341. 336QuincyMassachusetts
    13
  342. 336LansingMichigan
    13
  343. 336DerryNew Hampshire
    13
  344. 336PatersonNew Jersey
    13
  345. 336RochesterNew York
    13
  346. 336BethlehemPennsylvania
    13
  347. 336ReadingPennsylvania
    13
  348. 336ProvidenceRhode Island
    13
  349. 336WeirtonWest Virginia
    13
  350. 336Simi ValleyCalifornia
    13
  351. 336WoodlandCalifornia
    13
  352. 336LongmontColorado
    13
  353. 353AshlandKentucky
    13
  354. 353RockvilleMaryland
    13
  355. 353East ChicagoIndiana
    13
  356. 353LafayetteIndiana
    13
  357. 353LynnMassachusetts
    13
  358. 353HollandMichigan
    13
  359. 353TaylorMichigan
    13
  360. 353MedinaOhio
    13
  361. 353AllentownPennsylvania
    13
  362. 353West JordanUtah
    13
  363. 363MiamiFlorida
    13
  364. 363ElktonMaryland
    13
  365. 363YorkPennsylvania
    13
  366. 363CharlestonWest Virginia
    13
  367. 363JenisonMichigan
    13
  368. 363KeeneNew Hampshire
    13
  369. 363Weirton HeightsWest Virginia
    13
  370. 363StocktonCalifornia
    13
  371. 371SavannahGeorgia
    13
  372. 371Lincoln ParkMichigan
    13
  373. 371Apple ValleyMinnesota
    13
  374. 371BlaineMinnesota
    13
  375. 371YumaArizona
    13
  376. 371BanningCalifornia
    13
  377. 371Dodge CityKansas
    13
  378. 371AmarilloTexas
    13
  379. 371Columbia CityWashington
    13
  380. 371Moses LakeWashington
    13
  381. 371SheridanWyoming
    13
  382. 382New AlbanyIndiana
    13
  383. 382University CityMissouri
    13
  384. 382White OakOhio
    13
  385. 382RoanokeVirginia
    13
  386. 382ChicagoIllinois
    13
  387. 382KokomoIndiana
    13
  388. 382PittsfieldMassachusetts
    13
  389. 382BellevueNebraska
    13
  390. 382HolbrookNew York
    13
  391. 382JohnstownPennsylvania
    13
  392. 382LancasterPennsylvania
    13
  393. 382LivermoreCalifornia
    13
  394. 382Thousand OaksCalifornia
    13
  395. 382OdessaTexas
    13
  396. 382The DallesOregon
    13
  397. 397ScaggsvilleMaryland
    13
  398. 397AshevilleNorth Carolina
    13
  399. 397KingsportTennessee
    13
  400. 397GeorgetownTexas
    13
  401. 397La PorteTexas
    13
  402. 397MolineIllinois
    13
  403. 397North ChicopeeMassachusetts
    13
  404. 397AltoonaPennsylvania
    13
  405. 397Green BayWisconsin
    13
  406. 397BrawleyCalifornia
    13
  407. 397MartinezCalifornia
    13
  408. 397Eagle PassTexas
    13
  409. 397MissoulaMontana
    13
  410. 410Bonita SpringsFlorida
    13
  411. 410GainesvilleFlorida
    13
  412. 410LemayMissouri
    13
  413. 410South VinelandNew Jersey
    13
  414. 410HopewellVirginia
    13
  415. 410San JoseCalifornia
    13
  416. 410HobbsNew Mexico
    13
  417. 410Idaho FallsIdaho
    13
  418. 410Oxon Hill-GlassmanorMaryland
    13
  419. 410Arden-ArcadeCalifornia
    13
  420. 420VeniceFlorida
    13
  421. 420SpringfieldMissouri
    13
  422. 420Oak LawnIllinois
    13
  423. 420New BrunswickNew Jersey
    13
  424. 420SyracuseNew York
    13
  425. 420HermitagePennsylvania
    13
  426. 420Eau ClaireWisconsin
    13
  427. 420FillmoreCalifornia
    13
  428. 420HerrimanUtah
    13
  429. 420RandolphNew Jersey
    13
  430. 430ColumbusIndiana
    13
  431. 430Cleveland HeightsOhio
    13
  432. 430BloomingtonIllinois
    13
  433. 430KenmoreNew York
    13
  434. 430Shaker HeightsOhio
    13
  435. 430ToledoOhio
    13
  436. 430MantecaCalifornia
    13
  437. 430RosevilleCalifornia
    13
  438. 438Fruit CoveFlorida
    13
  439. 438RaymoreMissouri
    13
  440. 438ConwaySouth Carolina
    13
  441. 438San MarcosTexas
    13
  442. 438EastpointeMichigan
    13
  443. 438EriePennsylvania
    13
  444. 438MadisonWisconsin
    13
  445. 438El CentroCalifornia
    13
  446. 438ModestoCalifornia
    13
  447. 438Tri-CitiesWashington
    13
  448. 448Coconut CreekFlorida
    12
  449. 448West PensacolaFlorida
    12
  450. 448BrunswickGeorgia
    12
  451. 448BaltimoreMaryland
    12
  452. 448YpsilantiMichigan
    12
  453. 448AppletonWisconsin
    12
  454. 448South MilwaukeeWisconsin
    12
  455. 448NipomoCalifornia
    12
  456. 448SacramentoCalifornia
    12
  457. 448LubbockTexas
    12
  458. 448CondaIdaho
    12
  459. 448BellinghamWashington
    12
  460. 460JacksonvilleFlorida
    12
  461. 460LebanonOhio
    12
  462. 460Santa BarbaraCalifornia
    12
  463. 460Spanish SpringsNevada
    12
  464. 460MagnaUtah
    12
  465. 460Spanish ForkUtah
    12
  466. 466Belle GladeFlorida
    12
  467. 466BloomingtonIndiana
    12
  468. 466BangorMaine
    12
  469. 466White PlainsNew York
    12
  470. 466PainesvilleOhio
    12
  471. 466CoventryRhode Island
    12
  472. 472ValricoFlorida
    12
  473. 472Kansas CityMissouri
    12
  474. 472Des MoinesIowa
    12
  475. 472EugeneOregon
    12
  476. 472HighlandUtah
    12
  477. 472Rock SpringsWyoming
    12
  478. 478Delray BeachFlorida
    12
  479. 478HomesteadFlorida
    12
  480. 478Oak RidgeFlorida
    12
  481. 478GalvestonTexas
    12
  482. 478ZionIllinois
    12
  483. 478UticaNew York
    12
  484. 478BrookingsSouth Dakota
    12
  485. 478OrcuttCalifornia
    12
  486. 478ParadiseCalifornia
    12
  487. 478Carson CityNevada
    12
  488. 478TigardOregon
    12
  489. 489Daytona BeachFlorida
    12
  490. 489SarasotaFlorida
    12
  491. 489MuscatineIowa
    12
  492. 489Goletalow-cost sensorsCalifornia
    12
  493. 489RenoNevada
    12
  494. 489GreeleyColorado
    12
  495. 495TampaFlorida
    12
  496. 495South LaurelMaryland
    12
  497. 495LaredoTexas
    12
  498. 495LewistonMaine
    12
  499. 495AberdeenSouth Dakota
    12
  500. 495Sioux FallsSouth Dakota
    12
  501. 495AuburnWashington
    12
  502. 495RentonWashington
    12
  503. 495SeattleWashington
    12
  504. 504Deerfield BeachFlorida
    12
  505. 504Palm CityFlorida
    12
  506. 504State CollegePennsylvania
    12
  507. 504SalinasCalifornia
    12
  508. 504CasperWyoming
    12
  509. 509MarquetteMichigan
    12
  510. 509ThorntonColorado
    12
  511. 511EdgewoodMaryland
    12
  512. 511BrownsvilleTexas
    12
  513. 511LincolnNebraska
    12
  514. 511NogalesArizona
    12
  515. 511GaltCalifornia
    12
  516. 511RidgecrestCalifornia
    12
  517. 511Fort CollinsColorado
    12
  518. 518New CityNew York
    10
  519. 518NewburghNew York
    10
  520. 518CalexicoCalifornia
    10
  521. 518Santa CruzCalifornia
    10
  522. 518ShorelineWashington
    10
  523. 523DavieFlorida
    10
  524. 523AtascaderoCalifornia
    10
  525. 523EllensburgWashington
    10
  526. 526Safety HarborFlorida
    10
  527. 526LibertyMissouri
    10
  528. 526Summerlin SouthNevada
    10
  529. 529WellingtonFlorida
    10
  530. 529BayonneNew Jersey
    10
  531. 531Winter ParkFlorida
    10
  532. 531FolsomCalifornia
    10
  533. 531LancasterCalifornia
    10
  534. 531Las CrucesNew Mexico
    10
  535. 531BoulderColorado
    10
  536. 536GahannaOhio
    10
  537. 536OaklandCalifornia
    10
  538. 536DenverColorado
    10
  539. 539Seasidelow-cost sensorsCalifornia
    10
  540. 540OrlandoFlorida
    10
  541. 540Palm BayFlorida
    10
  542. 540HagerstownMaryland
    10
  543. 540San LeandroCalifornia
    10
  544. 540TracyCalifornia
    10
  545. 540Las VegasNevada
    10
  546. 540Salmon CreekWashington
    10
  547. 547Colorado SpringsColorado
    10
  548. 547CanbyOregon
    10
  549. 549Arroyo GrandeCalifornia
    10
  550. 549MercedCalifornia
    10
  551. 549AlbuquerqueNew Mexico
    10
  552. 549TacomaWashington
    10
  553. 553LimaOhio
    8
  554. 553LincolnCalifornia
    8
  555. 553LompocCalifornia
    8
  556. 553MilwaukieOregon
    8
  557. 557GlendaleArizona
    8
  558. 557PhoenixArizona
    8
  559. 559WestonFlorida
    8
  560. 559OxnardCalifornia
    8
  561. 559LongviewWashington
    8
  562. 562MesaArizona
    8
  563. 562Redwood CityCalifornia
    8
  564. 562HendersonNevada
    8
  565. 562Spring ValleyNevada
    8
  566. 562HillsboroOregon
    8
  567. 562RoseburgOregon
    8
  568. 562SalemOregon
    8
  569. 569MaranaArizona
    8
  570. 569TempeArizona
    8
  571. 569BellevueWashington
    8
  572. 569ParklandWashington
    8
  573. 569Port AngelesWashington
    8
  574. 569Picnic Point-North LynnwoodWashington
    8
  575. 575PleasantonCalifornia
    8
  576. 575LittletonColorado
    8
  577. 575PortlandOregon
    8
  578. 578Ken CarylColorado
    8
  579. 578Cedar CityUtah
    8
  580. 578BeavertonOregon
    8
  581. 578BremertonWashington
    8
  582. 578CentraliaWashington
    8
  583. 578Mount VernonWashington
    8
  584. 578Makakilo / Kapolei / Honokai HaleHawaii
    8
  585. 585GilroyCalifornia
    8
  586. 585VacavilleCalifornia
    8
  587. 585EnterpriseNevada
    8
  588. 585AlbanyOregon
    8
  589. 585AnacortesWashington
    8
  590. 585WenatcheeWashington
    8
  591. 591San RafaelCalifornia
    8
  592. 591GreshamOregon
    8
  593. 593Rio RanchoNew Mexico
    7
  594. 593MesquiteNevada
    7
  595. 595TucsonArizona
    7
  596. 595Apache JunctionArizona
    7
  597. 597HurricaneUtah
    7
  598. 597Forest GroveOregon
    7
  599. 597AberdeenWashington
    7
  600. 600San Luis ObispoCalifornia
    7
  601. 600Boulder CityNevada
    7
  602. 602PuebloColorado
    7
  603. 602CorvallisOregon
    7
  604. 602LaceyWashington
    7
  605. 602CheyenneWyoming
    7
  606. 606Florinlow-cost sensorsCalifornia
    7
  607. 606VancouverWashington
    7
  608. 608Coos BayOregon
    7
  609. 608WoodburnOregon
    7
  610. 610Casas AdobesArizona
    7
  611. 610LaramieWyoming
    7
  612. 612KahuluiHawaii
    7
  613. 612HonoluluHawaii
    7
  614. 612BadgerAlaska
    7
  615. 615Grand JunctionColorado
    5
  616. 615McMinnvilleOregon
    5
  617. 615MarysvilleWashington
    5
  618. 615Oak HarborWashington
    5
  619. 615AnchorageAlaska
    5
  620. 620KīheiHawaii
    5
  621. 620FairbanksAlaska
    5
  622. 622DallasOregon
    5
  623. 623ConcordCalifornia
    5
  624. 624Santa RosaCalifornia
    5
  625. 624HiloHawaii
    5
  626. 626Green ValleyArizona
    3
Good0–50
Satisfactory51–100
Moderate101–200
Poor201–300
Very poor301–400
Severe401+

India's National Air Quality Index (CPCB), PM2.5 sub-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, August 2024 · United States now

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SmogRank, most polluted cities in United States, PM2.5, August 2024, smogrank.com/us/history/2024-08 (accessed 2 Oct 2026).

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