SmogRank / World / United States / February 2026

Most polluted cities in United States, February 2026

665 cities in United States ranked by their average PM2.5 over the 28 days. Worst: Tulare at 23.8 µg/m³, #415 of 2,520 cities in the world. Cleanest: Casper at 1.2. A city needs measurements on 70% of the days to be ranked.

← Tulare 23.8
Every city in United States ranked for February 2026, one column each, worst on the left and cleanest on the right. Point at it to read a city; tap to open it.
  1. 1Tularelow-cost sensorsCalifornia
    3
  2. 2Delanolow-cost sensorsCalifornia
    2
  3. 3RedfordMichigan
    2
  4. 4YorkPennsylvania
    2
  5. 5Camdenlow-cost sensorsNew Jersey
    2
  6. 6BakersfieldCalifornia
    2
  7. 7VisaliaCalifornia
    2
  8. 8PortsmouthOhio
    2
  9. 8LancasterPennsylvania
    2
  10. 10Wheatonlow-cost sensorsIllinois
    2
  11. 11FresnoCalifornia
    2
  12. 12CalexicoCalifornia
    2
  13. 13Abingtonlow-cost sensorsPennsylvania
    2
  14. 14Ann Arborlow-cost sensorsMichigan
    2
  15. 15Skokielow-cost sensorsIllinois
    2
  16. 16Evergreen Parklow-cost sensorsIllinois
    2
  17. 17ModestoCalifornia
    2
  18. 18CarlislePennsylvania
    2
  19. 19AlbanyNew York
    2
  20. 19ReadingPennsylvania
    2
  21. 21McAlesterOklahoma
    2
  22. 21HarrisburgPennsylvania
    2
  23. 23ToledoOhio
    2
  24. 24ColumbusGeorgia
    2
  25. 24OregonOhio
    2
  26. 24HanfordCalifornia
    2
  27. 27LaredoTexas
    2
  28. 28WilmingtonDelaware
    2
  29. 29PennsaukenNew Jersey
    2
  30. 29Evanstonlow-cost sensorsIllinois
    2
  31. 29DetroitMichigan
    2
  32. 32AlbanyGeorgia
    2
  33. 32MissionTexas
    2
  34. 34WestervilleOhio
    2
  35. 35MaconGeorgia
    2
  36. 35LebanonPennsylvania
    2
  37. 35CorcoranCalifornia
    2
  38. 38NorwoodOhio
    2
  39. 38PhiladelphiaPennsylvania
    2
  40. 38Jurupa ValleyCalifornia
    2
  41. 41BrownsvilleTexas
    2
  42. 41El PasoTexas
    2
  43. 43Wake Forestlow-cost sensorsNorth Carolina
    2
  44. 43MiddletownOhio
    2
  45. 43EdinburgTexas
    2
  46. 46Fort WayneIndiana
    2
  47. 46ClevelandOhio
    2
  48. 46West MifflinPennsylvania
    2
  49. 49BaltimoreMaryland
    2
  50. 49ChesterPennsylvania
    2
  51. 49DearbornMichigan
    2
  52. 49Lincoln ParkMichigan
    2
  53. 49PerrysburgOhio
    2
  54. 54LawrencevilleGeorgia
    2
  55. 54BrookfieldIllinois
    2
  56. 54Franklin ParkIllinois
    2
  57. 54WyomingMichigan
    2
  58. 54MaderaCalifornia
    2
  59. 59BethlehemPennsylvania
    2
  60. 60SouthfieldMichigan
    2
  61. 60NorristownPennsylvania
    2
  62. 60TurlockCalifornia
    2
  63. 63EssexMaryland
    2
  64. 63HattiesburgMississippi
    2
  65. 63BaytownTexas
    2
  66. 63Port HuronMichigan
    2
  67. 67JeffersonvilleIndiana
    2
  68. 67WaterlooIowa
    2
  69. 67EastpointeMichigan
    2
  70. 67SteubenvilleOhio
    2
  71. 67MercedCalifornia
    2
  72. 72IndianapolisIndiana
    2
  73. 72AshlandKentucky
    2
  74. 74West MemphisArkansas
    2
  75. 74LouisvilleKentucky
    2
  76. 74MonroeLouisiana
    2
  77. 74Hunt ValleyMaryland
    2
  78. 74ConroeTexas
    2
  79. 74Corpus ChristiTexas
    2
  80. 80AugustaGeorgia
    2
  81. 80DoltonIllinois
    2
  82. 82CincinnatiOhio
    2
  83. 82ColumbusOhio
    2
  84. 82Elmwood ParkIllinois
    2
  85. 82TaylorMichigan
    2
  86. 82AllentownPennsylvania
    2
  87. 87GainesvilleGeorgia
    2
  88. 87HoustonTexas
    2
  89. 87Des PlainesIllinois
    2
  90. 87Grand RapidsMichigan
    2
  91. 87KalamazooMichigan
    2
  92. 87Grants PassOregon
    2
  93. 93DaytonOhio
    2
  94. 93SpartanburgSouth Carolina
    2
  95. 93Bay CityMichigan
    2
  96. 93NogalesArizona
    2
  97. 97NewarkDelaware
    2
  98. 97RutlandVermont
    2
  99. 99YpsilantiMichigan
    1
  100. 99WhittierCalifornia
    1
  101. 101DecaturAlabama
    1
  102. 101SpringdaleArkansas
    1
  103. 101ElginIllinois
    1
  104. 101CantonOhio
    1
  105. 105ElkhartIndiana
    1
  106. 105AkronOhio
    1
  107. 105DublinOhio
    1
  108. 105MedinaOhio
    1
  109. 105State CollegePennsylvania
    1
  110. 105Oconomowoclow-cost sensorsWisconsin
    1
  111. 105ComptonCalifornia
    1
  112. 105Florinlow-cost sensorsCalifornia
    1
  113. 105SocorroTexas
    1
  114. 114Valley StationKentucky
    1
  115. 114NashvilleTennessee
    1
  116. 114BridgeviewIllinois
    1
  117. 114ChicagoIllinois
    1
  118. 118BearDelaware
    1
  119. 118BloomingtonIndiana
    1
  120. 118EvansvilleIndiana
    1
  121. 118JacksonMississippi
    1
  122. 118South MilwaukeeWisconsin
    1
  123. 118ClovisCalifornia
    1
  124. 118RiversideCalifornia
    1
  125. 125TallahasseeFlorida
    1
  126. 125Warner RobinsGeorgia
    1
  127. 125ChattanoogaTennessee
    1
  128. 125PasadenaTexas
    1
  129. 125San AntonioTexas
    1
  130. 125SpringfieldVirginia
    1
  131. 125HartfordConnecticut
    1
  132. 125New York CityNew York
    1
  133. 125WarrenOhio
    1
  134. 125JohnstownPennsylvania
    1
  135. 125PortervilleCalifornia
    1
  136. 136BuffaloNew York
    1
  137. 136StocktonCalifornia
    1
  138. 138HuntsvilleAlabama
    1
  139. 138DoverDelaware
    1
  140. 138DerbyKansas
    1
  141. 138Live OakTexas
    1
  142. 138MuscatineIowa
    1
  143. 138Calumet CityIllinois
    1
  144. 138RochesterNew York
    1
  145. 138PittsburghPennsylvania
    1
  146. 138ScrantonPennsylvania
    1
  147. 147ShreveportLouisiana
    1
  148. 147PortlandMaine
    1
  149. 147Shaker HeightsOhio
    1
  150. 147WilkinsburgPennsylvania
    1
  151. 147Eagle PassTexas
    1
  152. 147NampaIdaho
    1
  153. 153BessemerAlabama
    1
  154. 153Little RockArkansas
    1
  155. 153WashingtonDistrict of Columbia
    1
  156. 153Granite CityIllinois
    1
  157. 153MuncieIndiana
    1
  158. 153EriePennsylvania
    1
  159. 153MilwaukeeWisconsin
    1
  160. 153WaukeshaWisconsin
    1
  161. 153Hawthornelow-cost sensorsCalifornia
    1
  162. 162WichitaKansas
    1
  163. 162GreenvilleSouth Carolina
    1
  164. 162PeoriaIllinois
    1
  165. 162RockfordIllinois
    1
  166. 162LansingMichigan
    1
  167. 162LindenNew Jersey
    1
  168. 162PainesvilleOhio
    1
  169. 169Saint MatthewsKentucky
    1
  170. 169ElktonMaryland
    1
  171. 169BartlettTennessee
    1
  172. 169Cleveland HeightsOhio
    1
  173. 169HollandMichigan
    1
  174. 169PaysonArizona
    1
  175. 175OwensboroKentucky
    1
  176. 175SulphurLouisiana
    1
  177. 175East ChicagoIndiana
    1
  178. 175HolbrookNew York
    1
  179. 175YoungstownOhio
    1
  180. 180AthensGeorgia
    1
  181. 180EdgewoodMaryland
    1
  182. 180East RidgeTennessee
    1
  183. 180TexarkanaTexas
    1
  184. 180HuntingtonWest Virginia
    1
  185. 180AnaheimCalifornia
    1
  186. 186HagerstownMaryland
    1
  187. 186HernandoMississippi
    1
  188. 186South VinelandNew Jersey
    1
  189. 186Saint AndrewsSouth Carolina
    1
  190. 186AndersonIndiana
    1
  191. 186AltoonaPennsylvania
    1
  192. 186Huntington Beachlow-cost sensorsCalifornia
    1
  193. 193HueytownAlabama
    1
  194. 193East Saint LouisIllinois
    1
  195. 193Upper AltonIllinois
    1
  196. 193JeffersontownKentucky
    1
  197. 193St. LouisMissouri
    1
  198. 193GulfportMississippi
    1
  199. 193Toms RiverNew Jersey
    1
  200. 193DanburyConnecticut
    1
  201. 193WaterburyConnecticut
    1
  202. 193AuroraIllinois
    1
  203. 193HammondIndiana
    1
  204. 193EwingNew Jersey
    1
  205. 193McKeesportPennsylvania
    1
  206. 193Green BayWisconsin
    1
  207. 207New AlbanyIndiana
    1
  208. 207Missouri CityTexas
    1
  209. 207Michigan CityIndiana
    1
  210. 207South BendIndiana
    1
  211. 207Jersey CityNew Jersey
    1
  212. 212JenksOklahoma
    1
  213. 212HendersonvilleTennessee
    1
  214. 212HarrisonburgVirginia
    1
  215. 212MantecaCalifornia
    1
  216. 216PaducahKentucky
    1
  217. 216JasperIndiana
    1
  218. 216LemayMissouri
    1
  219. 216SewellNew Jersey
    1
  220. 216KnoxvilleTennessee
    1
  221. 216FairbanksAlaska
    1
  222. 216Candler-McAfeeGeorgia
    1
  223. 223MontgomeryAlabama
    1
  224. 223SpringfieldOhio
    1
  225. 223FlorenceSouth Carolina
    1
  226. 223AshburnVirginia
    1
  227. 223Iowa CityIowa
    1
  228. 223MolineIllinois
    1
  229. 229ElizabethtownKentucky
    1
  230. 229Baton RougeLouisiana
    1
  231. 229Ponca CityOklahoma
    1
  232. 229AustinTexas
    1
  233. 229Rose HillVirginia
    1
  234. 229ClintonIowa
    1
  235. 229Fort LeeNew Jersey
    1
  236. 229HermitagePennsylvania
    1
  237. 229Great FallsMontana
    1
  238. 238BirminghamAlabama
    1
  239. 238TrussvilleAlabama
    1
  240. 238Lexington-FayetteKentucky
    1
  241. 238Columbialow-cost sensorsMissouri
    1
  242. 238ColumbiaTennessee
    1
  243. 238PhoenixArizona
    1
  244. 238Los AngelesCalifornia
    1
  245. 238MedfordOregon
    1
  246. 238Arden-ArcadeCalifornia
    1
  247. 238RandolphNew Jersey
    1
  248. 248MasonOhio
    1
  249. 248MooreOklahoma
    1
  250. 248JolietIllinois
    1
  251. 248WoodlandCalifornia
    1
  252. 252KennerLouisiana
    1
  253. 252South LaurelMaryland
    1
  254. 252Fort WorthTexas
    1
  255. 252CharlestonWest Virginia
    1
  256. 252DavenportIowa
    1
  257. 252Oak LawnIllinois
    1
  258. 252PatersonNew Jersey
    1
  259. 252WeirtonWest Virginia
    1
  260. 252Inglewoodlow-cost sensorsCalifornia
    1
  261. 252Long BeachCalifornia
    1
  262. 262ValdostaGeorgia
    1
  263. 262SpringfieldMissouri
    1
  264. 262PascagoulaMississippi
    1
  265. 262DurhamNorth Carolina
    1
  266. 262LebanonOhio
    1
  267. 262White OakOhio
    1
  268. 262GreenfieldMassachusetts
    1
  269. 262SpringfieldMassachusetts
    1
  270. 262ElizabethNew Jersey
    1
  271. 262Carsonlow-cost sensorsCalifornia
    1
  272. 262YakimaWashington
    1
  273. 273SavannahGeorgia
    1
  274. 273CharlotteNorth Carolina
    1
  275. 273RaleighNorth Carolina
    1
  276. 273Oklahoma CityOklahoma
    1
  277. 273Port ArthurTexas
    1
  278. 273ChesapeakeVirginia
    1
  279. 273Fort DodgeIowa
    1
  280. 273SyracuseNew York
    1
  281. 273BadgerAlaska
    1
  282. 282GadsdenAlabama
    1
  283. 282PrichardAlabama
    1
  284. 282Ferry PassFlorida
    1
  285. 282FayettevilleNorth Carolina
    1
  286. 282Mission BendTexas
    1
  287. 282NapervilleIllinois
    1
  288. 282BurnsvilleMinnesota
    1
  289. 282KeeneNew Hampshire
    1
  290. 282AppletonWisconsin
    1
  291. 282RosevilleCalifornia
    1
  292. 282SacramentoCalifornia
    1
  293. 293NicholasvilleKentucky
    1
  294. 293ScaggsvilleMaryland
    1
  295. 293North CharlestonSouth Carolina
    1
  296. 293ClarksvilleTennessee
    1
  297. 293BrookingsSouth Dakota
    1
  298. 293MadisonWisconsin
    1
  299. 299Daytona BeachFlorida
    1
  300. 299Kansas CityKansas
    1
  301. 299New OrleansLouisiana
    1
  302. 299RockvilleMaryland
    1
  303. 299ClemmonsNorth Carolina
    1
  304. 299MorrisvilleNorth Carolina
    1
  305. 299Winston-SalemNorth Carolina
    1
  306. 299CaryIllinois
    1
  307. 299ZionIllinois
    1
  308. 299LaconiaNew Hampshire
    1
  309. 299FontanaCalifornia
    1
  310. 299San DiegoCalifornia
    1
  311. 311Fort ThomasKentucky
    1
  312. 311Cedar RapidsIowa
    1
  313. 311NorthbrookIllinois
    1
  314. 311BangorMaine
    1
  315. 311PawtucketRhode Island
    1
  316. 311MidwayFlorida
    1
  317. 317Fort SmithArkansas
    1
  318. 317Ponte Vedra BeachFlorida
    1
  319. 317AtlantaGeorgia
    1
  320. 317TopekaKansas
    1
  321. 317JacksonTennessee
    1
  322. 317HopewellVirginia
    1
  323. 317RichmondVirginia
    1
  324. 317MinneapolisMinnesota
    1
  325. 317LincolnCalifornia
    1
  326. 317OaklandCalifornia
    1
  327. 317Torrancelow-cost sensorsCalifornia
    1
  328. 317Yuba CityCalifornia
    1
  329. 329JacksonvilleFlorida
    1
  330. 329OcalaFlorida
    1
  331. 329Saint JosephMissouri
    1
  332. 329ClaytonNorth Carolina
    1
  333. 329College StationTexas
    1
  334. 329BayonneNew Jersey
    1
  335. 329TrentonNew Jersey
    1
  336. 329Upper Saint ClairPennsylvania
    1
  337. 329Eau ClaireWisconsin
    1
  338. 329BridgeportConnecticut
    1
  339. 329ChicoCalifornia
    1
  340. 329LewistonIdaho
    1
  341. 341West PensacolaFlorida
    1
  342. 341OlatheKansas
    1
  343. 341HickoryNorth Carolina
    1
  344. 341CharlottesvilleVirginia
    1
  345. 341New HavenConnecticut
    1
  346. 341San JoseCalifornia
    1
  347. 341AltamontOregon
    1
  348. 348FairhopeAlabama
    1
  349. 348University CityMissouri
    1
  350. 348EdmondOklahoma
    1
  351. 348East HamptonVirginia
    1
  352. 348SuperiorWisconsin
    1
  353. 348Las VegasNevada
    1
  354. 348RenoNevada
    1
  355. 348MillcreekUtah
    1
  356. 356La PorteTexas
    1
  357. 356FraminghamMassachusetts
    1
  358. 356Saint PaulMinnesota
    1
  359. 359SpringfieldIllinois
    1
  360. 359ChalmetteLouisiana
    1
  361. 359GreenvilleNorth Carolina
    1
  362. 359MaryvilleTennessee
    1
  363. 359BloomingtonIllinois
    1
  364. 359Newtonlow-cost sensorsMassachusetts
    1
  365. 359GahannaOhio
    1
  366. 366Bonita SpringsFlorida
    1
  367. 366Oak RidgeFlorida
    1
  368. 366St. PetersburgFlorida
    1
  369. 366DecaturIllinois
    1
  370. 366ChampaignIllinois
    1
  371. 366RochesterMinnesota
    1
  372. 366UticaNew York
    1
  373. 366Middletonlow-cost sensorsWisconsin
    1
  374. 366RichmondCalifornia
    1
  375. 366Oxon Hill-GlassmanorMaryland
    1
  376. 376Kendale LakesFlorida
    1
  377. 376TampaFlorida
    1
  378. 376Short PumpVirginia
    1
  379. 376HaverhillMassachusetts
    1
  380. 376ProvidenceRhode Island
    1
  381. 376Chula VistaCalifornia
    1
  382. 376San FranciscoCalifornia
    1
  383. 383Fort LauderdaleFlorida
    1
  384. 383MiamiFlorida
    1
  385. 383ArnoldMissouri
    1
  386. 383GreensboroNorth Carolina
    1
  387. 383DyersburgTennessee
    1
  388. 383DentonTexas
    1
  389. 383LimaOhio
    1
  390. 383Weirton HeightsWest Virginia
    1
  391. 383Mission ViejoCalifornia
    1
  392. 392VeniceFlorida
    1
  393. 392LawtonOklahoma
    1
  394. 392CorsicanaTexas
    1
  395. 392BostonMassachusetts
    1
  396. 392ShakopeeMinnesota
    1
  397. 392HillsboroOregon
    1
  398. 398BrunswickGeorgia
    1
  399. 398Kansas CityMissouri
    1
  400. 398AshevilleNorth Carolina
    1
  401. 398San MarcosTexas
    1
  402. 398NewburghNew York
    1
  403. 398UkiahCalifornia
    1
  404. 404CookevilleTennessee
    1
  405. 404GalvestonTexas
    1
  406. 404Lexingtonlow-cost sensorsMassachusetts
    1
  407. 404LewistonMaine
    1
  408. 404BlaineMinnesota
    1
  409. 404BurbankCalifornia
    1
  410. 404OceansideCalifornia
    1
  411. 404ReddingCalifornia
    1
  412. 412AnkenyIowa
    1
  413. 412Apple ValleyMinnesota
    1
  414. 412GlendaleArizona
    1
  415. 412SunnysideWashington
    1
  416. 416OrlandoFlorida
    1
  417. 416KingsportTennessee
    1
  418. 416RoanokeVirginia
    1
  419. 416New LondonConnecticut
    1
  420. 416PittsfieldMassachusetts
    1
  421. 416WorcesterMassachusetts
    1
  422. 416San LeandroCalifornia
    1
  423. 416San Luis ObispoCalifornia
    1
  424. 416ButteMontana
    1
  425. 425Fruit CoveFlorida
    1
  426. 425Roanoke RapidsNorth Carolina
    1
  427. 425Atlantic CityNew Jersey
    1
  428. 425SaginawTexas
    1
  429. 425LynnMassachusetts
    1
  430. 425AugustaMaine
    1
  431. 425El CajonCalifornia
    1
  432. 425Lomitalow-cost sensorsCalifornia
    1
  433. 425Santa Monicalow-cost sensorsCalifornia
    1
  434. 434ValricoFlorida
    1
  435. 434ConwaySouth Carolina
    1
  436. 434SalemVirginia
    1
  437. 434BrocktonMassachusetts
    1
  438. 434Fall RiverMassachusetts
    1
  439. 434LowellMassachusetts
    1
  440. 434North ChicopeeMassachusetts
    1
  441. 434MankatoMinnesota
    1
  442. 434White PlainsNew York
    1
  443. 434VallejoCalifornia
    1
  444. 434Rio RanchoNew Mexico
    1
  445. 445RaymoreMissouri
    1
  446. 445Sunland ParkNew Mexico
    1
  447. 445RoseburgOregon
    1
  448. 448GainesvilleFlorida
    1
  449. 448Des MoinesIowa
    1
  450. 448Saint CloudMinnesota
    1
  451. 448GaltCalifornia
    1
  452. 448LivermoreCalifornia
    1
  453. 448West JordanUtah
    1
  454. 448Port AngelesWashington
    1
  455. 448TacomaWashington
    1
  456. 456SarasotaFlorida
    1
  457. 456LeawoodKansas
    1
  458. 456PflugervilleTexas
    1
  459. 456TaylorTexas
    1
  460. 456QuincyMassachusetts
    1
  461. 456JenisonMichigan
    1
  462. 456Saint MichaelMinnesota
    1
  463. 456New CityNew York
    1
  464. 456TempeArizona
    1
  465. 456Santa BarbaraCalifornia
    1
  466. 466Palm CityFlorida
    1
  467. 466Safety HarborFlorida
    1
  468. 466WellingtonFlorida
    1
  469. 466BeltonTexas
    1
  470. 466MilfordMassachusetts
    1
  471. 466Palo Altolow-cost sensorsCalifornia
    1
  472. 466WenatcheeWashington
    1
  473. 473Belle GladeFlorida
    1
  474. 473Fort MyersFlorida
    1
  475. 473Pompano BeachFlorida
    1
  476. 473PleasantvilleNew Jersey
    1
  477. 473DuluthMinnesota
    1
  478. 473BerkeleyCalifornia
    1
  479. 473PowayCalifornia
    1
  480. 473South San Franciscolow-cost sensorsCalifornia
    1
  481. 473OdessaTexas
    1
  482. 473West Valley CityUtah
    1
  483. 473Columbia CityWashington
    1
  484. 484Lake MaryFlorida
    1
  485. 484LibertyMissouri
    1
  486. 484TucsonArizona
    1
  487. 484DavisCalifornia
    1
  488. 484HelenaMontana
    1
  489. 484Four CornersFlorida
    1
  490. 484Picnic Point-North LynnwoodWashington
    1
  491. 491MesaArizona
    1
  492. 491YumaArizona
    1
  493. 491Grand JunctionColorado
    1
  494. 491AlbuquerqueNew Mexico
    1
  495. 491HermistonOregon
    1
  496. 491Salt Lake CityUtah
    1
  497. 491AuburnWashington
    1
  498. 498DavieFlorida
    1
  499. 498Casa GrandeArizona
    1
  500. 498BillingsMontana
    1
  501. 498RentonWashington
    1
  502. 502Deerfield BeachFlorida
    1
  503. 502East LakeFlorida
    1
  504. 502McDonoughGeorgia
    1
  505. 502PleasantonCalifornia
    1
  506. 502TracyCalifornia
    1
  507. 502WoodburnOregon
    1
  508. 502EllensburgWashington
    1
  509. 502VancouverWashington
    1
  510. 510Delray BeachFlorida
    1
  511. 510Cedar ParkTexas
    1
  512. 510West FargoNorth Dakota
    1
  513. 510LincolnNebraska
    1
  514. 510AberdeenSouth Dakota
    1
  515. 510GreeleyColorado
    1
  516. 516PortsmouthNew Hampshire
    1
  517. 516NipomoCalifornia
    1
  518. 516Santa ClaritaCalifornia
    1
  519. 516HobbsNew Mexico
    1
  520. 516BozemanMontana
    1
  521. 516AlbanyOregon
    1
  522. 516EugeneOregon
    1
  523. 516PendletonOregon
    1
  524. 516SeattleWashington
    1
  525. 525WestonFlorida
    1
  526. 525DerryNew Hampshire
    1
  527. 525Agouralow-cost sensorsCalifornia
    1
  528. 525AtascaderoCalifornia
    1
  529. 525BrawleyCalifornia
    1
  530. 525ThorntonColorado
    1
  531. 525OremUtah
    1
  532. 532Palm BayFlorida
    1
  533. 532El CentroCalifornia
    1
  534. 532Redwood CityCalifornia
    1
  535. 532Spanish SpringsNevada
    1
  536. 532The DallesOregon
    1
  537. 537La VistaNebraska
    1
  538. 537Lake ElsinoreCalifornia
    1
  539. 537Santa RosaCalifornia
    1
  540. 537TigardOregon
    1
  541. 537BountifulUtah
    1
  542. 537Moses LakeWashington
    1
  543. 537KahuluiHawaii
    1
  544. 537HonoluluHawaii
    1
  545. 537Tri-CitiesWashington
    1
  546. 546Coconut CreekFlorida
    1
  547. 546OmahaNebraska
    1
  548. 546ConcordCalifornia
    1
  549. 546GlendoraCalifornia
    1
  550. 546Santa CruzCalifornia
    1
  551. 546Carson CityNevada
    1
  552. 546SalemOregon
    1
  553. 546Rapid CitySouth Dakota
    1
  554. 554BellevueNebraska
    1
  555. 554IndioCalifornia
    1
  556. 554Simi ValleyCalifornia
    1
  557. 554VacavilleCalifornia
    1
  558. 554Fort CollinsColorado
    1
  559. 554Oregon CityOregon
    1
  560. 560GilroyCalifornia
    1
  561. 560Coeur d'AleneIdaho
    1
  562. 560MagnaUtah
    1
  563. 560SpokaneWashington
    1
  564. 564FolsomCalifornia
    1
  565. 564Apache JunctionArizona
    1
  566. 564LongmontColorado
    1
  567. 564BendOregon
    1
  568. 564LaceyWashington
    1
  569. 564La Crescenta-Montroselow-cost sensorsCalifornia
    1
  570. 570CoventryRhode Island
    1
  571. 570Casas AdobesArizona
    1
  572. 570MilwaukieOregon
    1
  573. 570ParklandWashington
    1
  574. 570Spokane ValleyWashington
    1
  575. 575Cedar CityUtah
    1
  576. 575Brigham CityUtah
    1
  577. 575North OgdenUtah
    1
  578. 575BellinghamWashington
    1
  579. 579MaranaArizona
    1
  580. 579PocatelloIdaho
    1
  581. 579HighlandUtah
    1
  582. 579Walla WallaWashington
    1
  583. 579SheridanWyoming
    1
  584. 584Arroyo GrandeCalifornia
    1
  585. 584ParadiseCalifornia
    1
  586. 584Thousand OaksCalifornia
    1
  587. 584Dodge CityKansas
    1
  588. 584Coos BayOregon
    1
  589. 589GreshamOregon
    1
  590. 589ShorelineWashington
    1
  591. 589HiloHawaii
    1
  592. 592OxnardCalifornia
    1
  593. 592SalinasCalifornia
    1
  594. 592San RafaelCalifornia
    1
  595. 592Windsorlow-cost sensorsCalifornia
    1
  596. 592DenverColorado
    1
  597. 592Lakewoodlow-cost sensorsColorado
    1
  598. 592Spring ValleyNevada
    1
  599. 592BoiseIdaho
    1
  600. 592BeavertonOregon
    1
  601. 592PortlandOregon
    1
  602. 592CentraliaWashington
    1
  603. 592LongviewWashington
    1
  604. 604Seasidelow-cost sensorsCalifornia
    1
  605. 604HendersonNevada
    1
  606. 604AshlandOregon
    1
  607. 604DallasOregon
    1
  608. 604TooeleUtah
    1
  609. 604KentWashington
    1
  610. 610OrcuttCalifornia
    1
  611. 610Pasadenalow-cost sensorsCalifornia
    1
  612. 612Grand IslandNebraska
    1
  613. 612BanningCalifornia
    1
  614. 612CanbyOregon
    1
  615. 612Spanish ForkUtah
    1
  616. 612KīheiHawaii
    1
  617. 617LancasterCalifornia
    1
  618. 617MartinezCalifornia
    1
  619. 617RedmondOregon
    1
  620. 620WindsorColorado
    1
  621. 620MoscowIdaho
    1
  622. 620McMinnvilleOregon
    1
  623. 620BremertonWashington
    1
  624. 620Salmon CreekWashington
    1
  625. 625MarquetteMichigan
    1
  626. 625BurienWashington
    1
  627. 627Colorado SpringsColorado
    1
  628. 627PuebloColorado
    1
  629. 627Idaho FallsIdaho
    1
  630. 630LafayetteLouisiana
    1
  631. 630FillmoreCalifornia
    1
  632. 630Ken CarylColorado
    1
  633. 630EnterpriseNevada
    1
  634. 634HollisterCalifornia
    1
  635. 634TruckeeCalifornia
    1
  636. 634LittletonColorado
    1
  637. 637Las CrucesNew Mexico
    1
  638. 637Twin FallsIdaho
    1
  639. 637MissoulaMontana
    1
  640. 640Arvadalow-cost sensorsColorado
    1
  641. 640HurricaneUtah
    1
  642. 640Summerlin SouthNevada
    1
  643. 643CorvallisOregon
    1
  644. 643HerrimanUtah
    1
  645. 643AberdeenWashington
    1
  646. 646RidgecrestCalifornia
    1
  647. 647MesquiteNevada
    1
  648. 647Forest GroveOregon
    1
  649. 647Rock SpringsWyoming
    1
  650. 650BoulderColorado
    1
  651. 650GilletteWyoming
    1
  652. 652Boulder CityNevada
    1
  653. 653Green ValleyArizona
    1
  654. 653Cañon CityColorado
    1
  655. 655BellevueWashington
    1
  656. 655PullmanWashington
    1
  657. 655LaramieWyoming
    1
  658. 658LompocCalifornia
    1
  659. 659Goletalow-cost sensorsCalifornia
    1
  660. 659Oak HarborWashington
    1
  661. 659CheyenneWyoming
    1
  662. 662Bothelllow-cost sensorsWashington
    1
  663. 663AnacortesWashington
    1
  664. 664Union Hill-Novelty Hilllow-cost sensorsWashington
    1
  665. 665CasperWyoming
    1
Low1–3
Moderate4–6
High7–9
Very high10

The UK's Daily Air Quality Index (1 to 10), PM2.5 bands. 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, February 2026 · United States now

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SmogRank, most polluted cities in United States, PM2.5, February 2026, smogrank.com/us/history/2026-02 (accessed 2 Oct 2026).

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