SmogRank / Countries / United States / July 2023
Most polluted cities in United States, July 2023
573 cities in United States ranked by their average PM2.5 over the 31 days. Worst: Fontana at 19.4 µg/m³, #27 of 1,103 cities in the world. Cleanest: Coos Bay at 2.2. A city needs measurements on 70% of the days to be ranked.
- 1FontanaCalifornia 19.4
- 2HollandMichigan 18.8
- 3Los AngelesCalifornia 17.9
- 4GlendoraCalifornia 17.8
- 5RiversideCalifornia 17.6
- 6IndioCalifornia 17.2
- 7Jurupa ValleyCalifornia 17.1
- 8Franklin ParkIllinois 16.5
- 9LansingMichigan 16.4
- 10HoustonTexas 16.3
- 10ElizabethNew Jersey 16.3
- 10West MifflinPennsylvania 16.3
- 10Great FallsMontana 16.3
- 14NapervilleIllinois 16.2
- 15Calumet CityIllinois 16.0
- 16JolietIllinois 15.8
- 16BensalemPennsylvania 15.8
- 18KalamazooMichigan 15.6
- 19SpringdaleArkansas 15.5
- 20IndianapolisIndiana 15.4
- 20DearbornMichigan 15.4
- 22AnkenyIowa 15.3
- 23BaytownTexas 15.2
- 24Grand RapidsMichigan 15.1
- 24CantonOhio 15.1
- 26BirminghamAlabama 15.0
- 26GalvestonTexas 15.0
- 26Des PlainesIllinois 15.0
- 29Candler-McAfeeGeorgia 14.9
- 30HueytownAlabama 14.8
- 30Warner RobinsGeorgia 14.8
- 30LouisvilleKentucky 14.8
- 30Missouri CityTexas 14.8
- 34MaconGeorgia 14.7
- 34NorthbrookIllinois 14.7
- 34CalexicoCalifornia 14.7
- 34ComptonCalifornia 14.7
- 38Winston-SalemNorth Carolina 14.6
- 38AlbanyNew York 14.6
- 40Little RockArkansas 14.5
- 40SpringfieldOhio 14.5
- 40HammondIndiana 14.5
- 40MilwaukeeWisconsin 14.5
- 40BridgeportConnecticut 14.5
- 45Fort LauderdaleFlorida 14.4
- 45East RidgeTennessee 14.4
- 45ClevelandOhio 14.4
- 45LancasterPennsylvania 14.4
- 49Terre HauteIndiana 14.3
- 49NorwoodOhio 14.3
- 51AustinTexas 14.2
- 51West FargoNorth Dakota 14.2
- 51TrentonNew Jersey 14.2
- 51CheektowagaNew York 14.2
- 51WarrenOhio 14.2
- 51BurbankCalifornia 14.2
- 51El CentroCalifornia 14.2
- 58RaleighNorth Carolina 14.1
- 58ScrantonPennsylvania 14.1
- 58Santa ClaritaCalifornia 14.1
- 61AlbanyGeorgia 14.0
- 61GainesvilleGeorgia 14.0
- 61JeffersonvilleIndiana 14.0
- 61ShreveportLouisiana 14.0
- 61ConroeTexas 14.0
- 61HarrisburgPennsylvania 14.0
- 67DaytonOhio 13.9
- 67MiddletownOhio 13.9
- 67Mission BendTexas 13.9
- 67Port ArthurTexas 13.9
- 67BurlingtonVermont 13.9
- 72GreensboroNorth Carolina 13.8
- 72PhiladelphiaPennsylvania 13.8
- 72MolineIllinois 13.8
- 72East ChicagoIndiana 13.8
- 72BanningCalifornia 13.8
- 77Bonita SpringsFlorida 13.7
- 77TexarkanaTexas 13.7
- 77DavenportIowa 13.7
- 77ChicagoIllinois 13.7
- 77South BendIndiana 13.7
- 77WilkinsburgPennsylvania 13.7
- 83WashingtonDistrict of Columbia 13.6
- 83SpartanburgSouth Carolina 13.6
- 83KnoxvilleTennessee 13.6
- 83Corpus ChristiTexas 13.6
- 83PasadenaTexas 13.6
- 83LindenNew Jersey 13.6
- 89HomesteadFlorida 13.5
- 89Des MoinesIowa 13.5
- 89CaryIllinois 13.5
- 89RockfordIllinois 13.5
- 89AndersonIndiana 13.5
- 89DetroitMichigan 13.5
- 89Jersey CityNew Jersey 13.5
- 89PatersonNew Jersey 13.5
- 89South MilwaukeeWisconsin 13.5
- 89BendOregon 13.5
- 99Ferry PassFlorida 13.4
- 99ValdostaGeorgia 13.4
- 99Iowa CityIowa 13.4
- 99BloomingtonIllinois 13.4
- 103MorrisvilleNorth Carolina 13.3
- 103EdinburgTexas 13.3
- 103BurnsvilleMinnesota 13.3
- 103New York CityNew York 13.3
- 103PittsburghPennsylvania 13.3
- 103MidwayFlorida 13.3
- 109DecaturIllinois 13.2
- 109SpringfieldIllinois 13.2
- 109JeffersontownKentucky 13.2
- 109LebanonOhio 13.2
- 109Lincoln ParkMichigan 13.2
- 109New BrunswickNew Jersey 13.2
- 109WaukeshaWisconsin 13.2
- 109BismarckNorth Dakota 13.2
- 117FishersIndiana 13.1
- 117CincinnatiOhio 13.1
- 117FlorenceSouth Carolina 13.1
- 117La PorteTexas 13.1
- 121GaryIndiana 13.0
- 121LafayetteIndiana 13.0
- 121GreenfieldMassachusetts 13.0
- 121ShakopeeMinnesota 13.0
- 121BakersfieldCalifornia 13.0
- 121RedmondOregon 13.0
- 127NewarkDelaware 12.9
- 127East Saint LouisIllinois 12.9
- 127CharlotteNorth Carolina 12.9
- 127PennsaukenNew Jersey 12.9
- 127Live OakTexas 12.9
- 127Rose HillVirginia 12.9
- 127ElkhartIndiana 12.9
- 127Saint PaulMinnesota 12.9
- 127AnaheimCalifornia 12.9
- 127BrawleyCalifornia 12.9
- 127VisaliaCalifornia 12.9
- 138Phenix CityAlabama 12.8
- 138EwingNew Jersey 12.8
- 138YoungstownOhio 12.8
- 138RutlandVermont 12.8
- 142McDonoughGeorgia 12.7
- 142Saint MatthewsKentucky 12.7
- 142ClemmonsNorth Carolina 12.7
- 142DallasTexas 12.7
- 142San AntonioTexas 12.7
- 142Port HuronMichigan 12.7
- 142Saint CloudMinnesota 12.7
- 149Baton RougeLouisiana 12.6
- 149Saint AndrewsSouth Carolina 12.6
- 149ChattanoogaTennessee 12.6
- 149CorsicanaTexas 12.6
- 149Fort WorthTexas 12.6
- 149PortageIndiana 12.6
- 149MinneapolisMinnesota 12.6
- 149LebanonPennsylvania 12.6
- 149HanfordCalifornia 12.6
- 158TrussvilleAlabama 12.5
- 158LawrencevilleGeorgia 12.5
- 158SpringfieldVirginia 12.5
- 158HartfordConnecticut 12.5
- 158Oak LawnIllinois 12.5
- 158PittsfieldMassachusetts 12.5
- 158AppletonWisconsin 12.5
- 165AtlantaGeorgia 12.4
- 165WaterburyConnecticut 12.4
- 165KokomoIndiana 12.4
- 165WorcesterMassachusetts 12.4
- 165YpsilantiMichigan 12.4
- 165DuluthMinnesota 12.4
- 165RochesterNew York 12.4
- 165AkronOhio 12.4
- 165DublinOhio 12.4
- 165MadisonWisconsin 12.4
- 175Granite CityIllinois 12.3
- 175Valley StationKentucky 12.3
- 175WatertownSouth Dakota 12.3
- 175Eau ClaireWisconsin 12.3
- 175Long BeachCalifornia 12.3
- 180GreenvilleNorth Carolina 12.2
- 180HickoryNorth Carolina 12.2
- 180Roanoke RapidsNorth Carolina 12.2
- 180College StationTexas 12.2
- 180WaterlooIowa 12.2
- 180PortlandMaine 12.2
- 180TaylorMichigan 12.2
- 180SyracuseNew York 12.2
- 180McKeesportPennsylvania 12.2
- 189PrichardAlabama 12.1
- 189SulphurLouisiana 12.1
- 189GreenvilleSouth Carolina 12.1
- 189MuscatineIowa 12.1
- 189BayonneNew Jersey 12.1
- 189MedinaOhio 12.1
- 189BethlehemPennsylvania 12.1
- 189ParadiseCalifornia 12.1
- 197AthensGeorgia 12.0
- 197Toms RiverNew Jersey 12.0
- 197KeeneNew Hampshire 12.0
- 197BuffaloNew York 12.0
- 201HuntsvilleAlabama 11.9
- 201WilmingtonDelaware 11.9
- 201SavannahGeorgia 11.9
- 201BaltimoreMaryland 11.9
- 201RedfordMichigan 11.9
- 201Apple ValleyMinnesota 11.9
- 201Saint MichaelMinnesota 11.9
- 201Shaker HeightsOhio 11.9
- 201SuperiorWisconsin 11.9
- 201VictorvilleCalifornia 11.9
- 211VeniceFlorida 11.8
- 211MasonOhio 11.8
- 211MaryvilleTennessee 11.8
- 211BeltonTexas 11.8
- 211RichmondVirginia 11.8
- 211SteubenvilleOhio 11.8
- 211AllentownPennsylvania 11.8
- 211AltoonaPennsylvania 11.8
- 211CarlislePennsylvania 11.8
- 211Green BayWisconsin 11.8
- 211La Crescenta-Montroselow-cost sensorsCalifornia 11.8
- 222MiamiFlorida 11.7
- 222Saint JosephMissouri 11.7
- 222DanburyConnecticut 11.7
- 222BostonMassachusetts 11.7
- 222SpringfieldMassachusetts 11.7
- 222UkiahCalifornia 11.7
- 228ElizabethtownKentucky 11.6
- 228HattiesburgMississippi 11.6
- 228TulsaOklahoma 11.6
- 228East HamptonVirginia 11.6
- 228NewburghNew York 11.6
- 228EriePennsylvania 11.6
- 228Carsonlow-cost sensorsCalifornia 11.6
- 228Hawthornelow-cost sensorsCalifornia 11.6
- 236East LakeFlorida 11.5
- 236ElktonMaryland 11.5
- 236St. LouisMissouri 11.5
- 236JacksonMississippi 11.5
- 236RoanokeVirginia 11.5
- 236New LondonConnecticut 11.5
- 236LowellMassachusetts 11.5
- 243Kansas CityKansas 11.4
- 243OwensboroKentucky 11.4
- 243ClaytonNorth Carolina 11.4
- 243PleasantvilleNew Jersey 11.4
- 243MooreOklahoma 11.4
- 243CharlottesvilleVirginia 11.4
- 243HaverhillMassachusetts 11.4
- 243State CollegePennsylvania 11.4
- 243Chula VistaCalifornia 11.4
- 243El CajonCalifornia 11.4
- 243FresnoCalifornia 11.4
- 243PortervilleCalifornia 11.4
- 243Yuba CityCalifornia 11.4
- 256DavieFlorida 11.3
- 256Fort ThomasKentucky 11.3
- 256GulfportMississippi 11.3
- 256JacksonTennessee 11.3
- 256RochesterMinnesota 11.3
- 256Fort LeeNew Jersey 11.3
- 256NorristownPennsylvania 11.3
- 256Torrancelow-cost sensorsCalifornia 11.3
- 256TurlockCalifornia 11.3
- 265Coconut CreekFlorida 11.2
- 265BrunswickGeorgia 11.2
- 265OlatheKansas 11.2
- 265YorkPennsylvania 11.2
- 265North CharlestonSouth Carolina 11.2
- 265ChesapeakeVirginia 11.2
- 265New HavenConnecticut 11.2
- 265ClintonIowa 11.2
- 265North ChicopeeMassachusetts 11.2
- 265KenmoreNew York 11.2
- 265JohnstownPennsylvania 11.2
- 265YumaArizona 11.2
- 277EdgewoodMaryland 11.1
- 277BartlettTennessee 11.1
- 277BrocktonMassachusetts 11.1
- 277Inglewoodlow-cost sensorsCalifornia 11.1
- 277MaderaCalifornia 11.1
- 277Santa Monicalow-cost sensorsCalifornia 11.1
- 277GilletteWyoming 11.1
- 284GadsdenAlabama 11.0
- 284BearDelaware 11.0
- 284LexingtonNorth Carolina 11.0
- 284Lake ElsinoreCalifornia 11.0
- 288FairhopeAlabama 10.9
- 288BloomingtonIndiana 10.9
- 288UticaNew York 10.9
- 288ReadingPennsylvania 10.9
- 292New OrleansLouisiana 10.8
- 292ChesterPennsylvania 10.8
- 292Weirton HeightsWest Virginia 10.8
- 292Lomitalow-cost sensorsCalifornia 10.8
- 296PaducahKentucky 10.7
- 296Delray BeachFlorida 10.7
- 296ScaggsvilleMaryland 10.7
- 296HernandoMississippi 10.7
- 296South VinelandNew Jersey 10.7
- 296ClarksvilleTennessee 10.7
- 296DentonTexas 10.7
- 296QuincyMassachusetts 10.7
- 296HelenaMontana 10.7
- 305DoverDelaware 10.6
- 305Deerfield BeachFlorida 10.6
- 305AshlandKentucky 10.6
- 305Lexington-FayetteKentucky 10.6
- 305PascagoulaMississippi 10.6
- 305KingsportTennessee 10.6
- 305Bay CityMichigan 10.6
- 305HolbrookNew York 10.6
- 313AugustaGeorgia 10.5
- 313TopekaKansas 10.5
- 313ColumbiaTennessee 10.5
- 313DerryNew Hampshire 10.5
- 313New CityNew York 10.5
- 313GahannaOhio 10.5
- 313HermitagePennsylvania 10.5
- 313BrookingsSouth Dakota 10.5
- 313San DiegoCalifornia 10.5
- 313Simi ValleyCalifornia 10.5
- 313ParklandWashington 10.5
- 324Palm CityFlorida 10.4
- 324EvansvilleIndiana 10.4
- 324CookevilleTennessee 10.4
- 324BellevueNebraska 10.4
- 324Agouralow-cost sensorsCalifornia 10.4
- 329WellingtonFlorida 10.3
- 329EdmondOklahoma 10.3
- 329JenksOklahoma 10.3
- 329McAlesterOklahoma 10.3
- 329Ponca CityOklahoma 10.3
- 329ZionIllinois 10.3
- 329LimaOhio 10.3
- 329FillmoreCalifornia 10.3
- 329Thousand OaksCalifornia 10.3
- 338LaconiaNew Hampshire 10.2
- 338WheelingWest Virginia 10.2
- 338Santa BarbaraCalifornia 10.2
- 341Kansas CityMissouri 10.1
- 341La CrosseWisconsin 10.1
- 343WestonFlorida 10.0
- 343DyersburgTennessee 10.0
- 343LynnMassachusetts 10.0
- 343White PlainsNew York 10.0
- 343PowayCalifornia 10.0
- 348SarasotaFlorida 9.9
- 348HendersonvilleTennessee 9.9
- 348Fall RiverMassachusetts 9.9
- 348OmahaNebraska 9.9
- 348PortsmouthNew Hampshire 9.9
- 348PainesvilleOhio 9.9
- 348ModestoCalifornia 9.9
- 348Redwood CityCalifornia 9.9
- 348Spanish ForkUtah 9.9
- 357Ponte Vedra BeachFlorida 9.8
- 357ClovisCalifornia 9.8
- 357BillingsMontana 9.8
- 360ArnoldMissouri 9.7
- 360HopewellVirginia 9.7
- 362OcalaFlorida 9.6
- 362TampaFlorida 9.6
- 362ColumbusIndiana 9.6
- 362HempsteadNew York 9.6
- 362OdessaTexas 9.6
- 362MillcreekUtah 9.6
- 368LincolnNebraska 9.5
- 368PawtucketRhode Island 9.5
- 370Fort SmithArkansas 9.4
- 370University CityMissouri 9.4
- 370AshevilleNorth Carolina 9.4
- 370DurhamNorth Carolina 9.4
- 370AdaOklahoma 9.4
- 370LewistonMaine 9.4
- 370West JordanUtah 9.4
- 377ProvidenceRhode Island 9.3
- 377San JoseCalifornia 9.3
- 379Belle GladeFlorida 9.2
- 379Fruit CoveFlorida 9.2
- 379South LaurelMaryland 9.2
- 379LawtonOklahoma 9.2
- 379ChicoCalifornia 9.2
- 379OceansideCalifornia 9.2
- 379StocktonCalifornia 9.2
- 386JacksonvilleFlorida 9.1
- 386SacramentoCalifornia 9.1
- 386MeridianIdaho 9.1
- 389DecaturAlabama 9.0
- 389BlaineMinnesota 9.0
- 389Sioux FallsSouth Dakota 9.0
- 389RichmondCalifornia 9.0
- 389OremUtah 9.0
- 394Palm BayFlorida 8.9
- 394MercedCalifornia 8.9
- 394RosevilleCalifornia 8.9
- 397Daytona BeachFlorida 8.8
- 397ConwaySouth Carolina 8.8
- 397CorcoranCalifornia 8.8
- 397LincolnCalifornia 8.8
- 397SocorroTexas 8.8
- 402LakelandFlorida 8.7
- 402Safety HarborFlorida 8.7
- 402White OakOhio 8.7
- 405FlintMichigan 8.6
- 405HobbsNew Mexico 8.6
- 407BangorMaine 8.5
- 407DavisCalifornia 8.5
- 407SalinasCalifornia 8.5
- 410OaklandCalifornia 8.4
- 410El PasoTexas 8.4
- 412AmarilloTexas 8.3
- 413Hunt ValleyMaryland 8.2
- 413LemayMissouri 8.2
- 415ValricoFlorida 8.1
- 415Winter ParkFlorida 8.1
- 415ConcordCalifornia 8.1
- 415LivermoreCalifornia 8.1
- 415BountifulUtah 8.1
- 415HerrimanUtah 8.1
- 421ReddingCalifornia 8.0
- 421NampaIdaho 8.0
- 423LibertyMissouri 7.9
- 423MantecaCalifornia 7.9
- 423TooeleUtah 7.9
- 423Arden-ArcadeCalifornia 7.9
- 427GainesvilleFlorida 7.8
- 427Lake MaryFlorida 7.8
- 427HagerstownMaryland 7.8
- 427PhoenixArizona 7.8
- 427GaltCalifornia 7.8
- 427Sunland ParkNew Mexico 7.8
- 427Idaho FallsIdaho 7.8
- 427MagnaUtah 7.8
- 435Grand IslandNebraska 7.7
- 435TempeArizona 7.7
- 435ButteMontana 7.7
- 435Salt Lake CityUtah 7.7
- 435Columbia CityWashington 7.7
- 440AberdeenSouth Dakota 7.6
- 441ThorntonColorado 7.5
- 441Las VegasNevada 7.5
- 443San LeandroCalifornia 7.4
- 443TruckeeCalifornia 7.4
- 443DenverColorado 7.4
- 443RentonWashington 7.4
- 447LewistonIdaho 7.3
- 447RexburgIdaho 7.3
- 449RaymoreMissouri 7.2
- 449MesaArizona 7.2
- 449LubbockTexas 7.2
- 449Cedar CityUtah 7.2
- 449AltamontOregon 7.2
- 454West MemphisArkansas 7.1
- 454TucsonArizona 7.1
- 454BoulderColorado 7.1
- 454GreeleyColorado 7.1
- 458Arroyo GrandeCalifornia 7.0
- 458SunnysideWashington 7.0
- 460LongmontColorado 6.9
- 461CoventryRhode Island 6.8
- 461FolsomCalifornia 6.8
- 463RockvilleMaryland 6.7
- 463GlendaleArizona 6.7
- 463HighlandUtah 6.7
- 463North OgdenUtah 6.7
- 463SpokaneWashington 6.7
- 468AshlandOregon 6.6
- 468AuburnWashington 6.6
- 468BadgerAlaska 6.6
- 471San FranciscoCalifornia 6.5
- 471Colorado SpringsColorado 6.5
- 471Las CrucesNew Mexico 6.5
- 471HendersonNevada 6.5
- 471SeattleWashington 6.5
- 471Spokane ValleyWashington 6.5
- 471TacomaWashington 6.5
- 478Rio RanchoNew Mexico 6.4
- 479LafayetteLouisiana 6.3
- 479TracyCalifornia 6.3
- 479Boulder CityNevada 6.3
- 479Apache JunctionArizona 6.3
- 479BozemanMontana 6.3
- 484AlbuquerqueNew Mexico 6.2
- 484AnacortesWashington 6.2
- 484CheyenneWyoming 6.2
- 484FairbanksAlaska 6.2
- 488Spring ValleyNevada 6.1
- 488MissoulaMontana 6.1
- 490Ken CarylColorado 6.0
- 490PullmanWashington 6.0
- 492NogalesArizona 5.9
- 492San RafaelCalifornia 5.9
- 492RenoNevada 5.9
- 492Coeur d'AleneIdaho 5.9
- 492Twin FallsIdaho 5.9
- 497VacavilleCalifornia 5.8
- 497HurricaneUtah 5.8
- 497HermistonOregon 5.8
- 497Moses LakeWashington 5.8
- 497Summerlin SouthNevada 5.8
- 502Fort CollinsColorado 5.7
- 502TigardOregon 5.7
- 502Walla WallaWashington 5.7
- 505HollisterCalifornia 5.5
- 505LancasterCalifornia 5.5
- 505Santa CruzCalifornia 5.5
- 505BremertonWashington 5.5
- 509LompocCalifornia 5.4
- 509EnterpriseNevada 5.4
- 509BoiseIdaho 5.4
- 509YakimaWashington 5.4
- 513Casas AdobesArizona 5.3
- 513CondaIdaho 5.3
- 513Grants PassOregon 5.3
- 513ShorelineWashington 5.3
- 517GilroyCalifornia 5.2
- 517PendletonOregon 5.2
- 517Rock SpringsWyoming 5.2
- 520San Luis ObispoCalifornia 5.1
- 520MesquiteNevada 5.1
- 520PocatelloIdaho 5.1
- 523Spanish SpringsNevada 5.0
- 524Green ValleyArizona 4.9
- 524Santa RosaCalifornia 4.9
- 524MoscowIdaho 4.9
- 524CentraliaWashington 4.9
- 528CanbyOregon 4.8
- 528The DallesOregon 4.8
- 528EllensburgWashington 4.8
- 528WenatcheeWashington 4.8
- 532Salmon CreekWashington 4.7
- 533Tri-CitiesWashington 4.6
- 534NipomoCalifornia 4.5
- 535GreshamOregon 4.4
- 535PortlandOregon 4.4
- 535BellinghamWashington 4.4
- 535Mount VernonWashington 4.4
- 535VancouverWashington 4.4
- 540BellevueWashington 4.3
- 540OrchardsWashington 4.3
- 540Port AngelesWashington 4.3
- 540HonoluluHawaii 4.3
- 544HillsboroOregon 4.2
- 544Makakilo / Kapolei / Honokai HaleHawaii 4.2
- 546AberdeenWashington 4.1
- 547RoseburgOregon 4.0
- 547SalemOregon 4.0
- 547LongviewWashington 4.0
- 547CasperWyoming 4.0
- 551LaceyWashington 3.9
- 551LaramieWyoming 3.9
- 553AlbanyOregon 3.8
- 553BeavertonOregon 3.8
- 555OrcuttCalifornia 3.7
- 556Grand JunctionColorado 3.5
- 556EugeneOregon 3.5
- 558AtascaderoCalifornia 3.4
- 558Carson CityNevada 3.4
- 558CorvallisOregon 3.4
- 558MilwaukieOregon 3.4
- 558WoodburnOregon 3.4
- 558KahuluiHawaii 3.4
- 564IssaquahWashington 3.3
- 565AnchorageAlaska 3.2
- 566Forest GroveOregon 3.1
- 566MarysvilleWashington 3.1
- 568PascoWashington 3.0
- 568HiloHawaii 3.0
- 570McMinnvilleOregon 2.9
- 571DallasOregon 2.6
- 572Oak HarborWashington 2.5
- 573Coos BayOregon 2.2
Good0–9.0
Moderate9.1–35.4
Sensitive groups35.5–55.4
Unhealthy55.5–125.4
Very unhealthy125.5–225.4
Hazardous225.5+