SmogRank / Countries / United States / January 2023
Most polluted cities in United States, January 2023
497 cities in United States ranked by their average PM2.5 over the 31 days. Worst: Badger at 27.1 µg/m³, #39 of 849 cities in the world. Cleanest: Casper at 2.2. A city needs measurements on 70% of the days to be ranked.
- 1BadgerAlaska 27.1
- 2CalexicoCalifornia 16.2
- 3FairbanksAlaska 15.5
- 4West FargoNorth Dakota 14.9
- 5Saint PaulMinnesota 14.6
- 6YakimaWashington 14.4
- 7BismarckNorth Dakota 14.2
- 8SunnysideWashington 14.1
- 9MinneapolisMinnesota 13.9
- 10ShakopeeMinnesota 13.8
- 11PhoenixArizona 13.7
- 12BakersfieldCalifornia 13.4
- 12HanfordCalifornia 13.4
- 14ThorntonColorado 13.2
- 15Fort LauderdaleFlorida 13.1
- 15Apple ValleyMinnesota 13.1
- 15FresnoCalifornia 13.1
- 18PennsaukenNew Jersey 13.0
- 18DearbornMichigan 13.0
- 18KalamazooMichigan 13.0
- 21ButteMontana 12.7
- 22IndianapolisIndiana 12.6
- 22NogalesArizona 12.6
- 24Granite CityIllinois 12.5
- 25Calumet CityIllinois 12.4
- 26DetroitMichigan 12.3
- 27ClintonIowa 12.2
- 28RochesterMinnesota 12.0
- 28ClevelandOhio 12.0
- 28LancasterPennsylvania 12.0
- 28VisaliaCalifornia 12.0
- 32Grand RapidsMichigan 11.9
- 32Eau ClaireWisconsin 11.9
- 34Franklin ParkIllinois 11.8
- 34Saint CloudMinnesota 11.8
- 34South MilwaukeeWisconsin 11.8
- 37East RidgeTennessee 11.7
- 37East ChicagoIndiana 11.7
- 39MolineIllinois 11.6
- 40DavenportIowa 11.5
- 41South BendIndiana 11.4
- 42HammondIndiana 11.3
- 42HarrisburgPennsylvania 11.3
- 44HoustonTexas 11.2
- 44GreeleyColorado 11.2
- 46WichitaKansas 11.1
- 46EdinburgTexas 11.1
- 46WaukeshaWisconsin 11.1
- 49AlbanyGeorgia 11.0
- 49NapervilleIllinois 11.0
- 49TaylorMichigan 11.0
- 49YpsilantiMichigan 11.0
- 49CorcoranCalifornia 11.0
- 49LewistonIdaho 11.0
- 55WaterlooIowa 10.9
- 55Des PlainesIllinois 10.9
- 57NorwoodOhio 10.8
- 57FlintMichigan 10.8
- 57JenisonMichigan 10.8
- 57LebanonPennsylvania 10.8
- 57ModestoCalifornia 10.8
- 62Coconut CreekFlorida 10.6
- 62AnkenyIowa 10.6
- 62Port HuronMichigan 10.6
- 62ReadingPennsylvania 10.6
- 66MadisonWisconsin 10.5
- 66RoseburgOregon 10.5
- 68East Saint LouisIllinois 10.4
- 68AustinTexas 10.4
- 68JolietIllinois 10.4
- 68CarlislePennsylvania 10.4
- 68PittsburghPennsylvania 10.4
- 73Missouri CityTexas 10.3
- 73PasadenaTexas 10.3
- 73Bay CityMichigan 10.3
- 76JacksonvilleFlorida 10.2
- 76BloomingtonIllinois 10.2
- 76CantonOhio 10.2
- 76DenverColorado 10.2
- 80NorthbrookIllinois 10.1
- 80Oak LawnIllinois 10.1
- 80RockfordIllinois 10.1
- 80ZionIllinois 10.1
- 84BrownsvilleTexas 10.0
- 84JohnstownPennsylvania 10.0
- 84AppletonWisconsin 10.0
- 87LexingtonNorth Carolina 9.9
- 87DaytonOhio 9.9
- 87YorkPennsylvania 9.9
- 87CaryIllinois 9.9
- 87BellevueNebraska 9.9
- 87SheridanWyoming 9.9
- 93Saint JosephMissouri 9.8
- 93Des MoinesIowa 9.8
- 93AndersonIndiana 9.8
- 93DublinOhio 9.8
- 93GlendaleArizona 9.8
- 93Fort CollinsColorado 9.8
- 99WilmingtonDelaware 9.7
- 99TulsaOklahoma 9.7
- 101JeffersonvilleIndiana 9.6
- 101LouisvilleKentucky 9.6
- 101McAlesterOklahoma 9.6
- 101ChesterPennsylvania 9.6
- 101YoungstownOhio 9.6
- 101AltamontOregon 9.6
- 107Ferry PassFlorida 9.5
- 107IndependenceMissouri 9.5
- 107CincinnatiOhio 9.5
- 107Green BayWisconsin 9.5
- 107MercedCalifornia 9.5
- 112SavannahGeorgia 9.4
- 112ElizabethNew Jersey 9.4
- 112BethlehemPennsylvania 9.4
- 115East LakeFlorida 9.3
- 115LawrencevilleGeorgia 9.3
- 115ValdostaGeorgia 9.3
- 115Valley StationKentucky 9.3
- 115SpringfieldOhio 9.3
- 115BaytownTexas 9.3
- 115Mission BendTexas 9.3
- 115HaverhillMassachusetts 9.3
- 115OmahaNebraska 9.3
- 115Fort LeeNew Jersey 9.3
- 115WilkinsburgPennsylvania 9.3
- 115Jurupa ValleyCalifornia 9.3
- 127TallahasseeFlorida 9.2
- 127AthensGeorgia 9.2
- 127PhiladelphiaPennsylvania 9.2
- 127GreenvilleSouth Carolina 9.2
- 127ChicagoIllinois 9.2
- 132ChattanoogaTennessee 9.1
- 132GreenfieldMassachusetts 9.1
- 132MaderaCalifornia 9.1
- 132SacramentoCalifornia 9.1
- 132Port AngelesWashington 9.1
- 137BirminghamAlabama 9.0
- 137JeffersontownKentucky 9.0
- 137TexarkanaTexas 9.0
- 137NorristownPennsylvania 9.0
- 137WatertownSouth Dakota 9.0
- 137Hawthornelow-cost sensorsCalifornia 9.0
- 137Arden-ArcadeCalifornia 9.0
- 144SpringfieldIllinois 8.9
- 144ConroeTexas 8.9
- 144PortageIndiana 8.9
- 144HolbrookNew York 8.9
- 144AllentownPennsylvania 8.9
- 144San DiegoCalifornia 8.9
- 150Baton RougeLouisiana 8.8
- 150ClemmonsNorth Carolina 8.8
- 150Oklahoma CityOklahoma 8.8
- 150North CharlestonSouth Carolina 8.8
- 150New York CityNew York 8.8
- 150NewburghNew York 8.8
- 150TempeArizona 8.8
- 150MedfordOregon 8.8
- 158Little RockArkansas 8.7
- 158Fruit CoveFlorida 8.7
- 158Warner RobinsGeorgia 8.7
- 158SpartanburgSouth Carolina 8.7
- 158KnoxvilleTennessee 8.7
- 158McKeesportPennsylvania 8.7
- 164AtlantaGeorgia 8.6
- 164Saint MatthewsKentucky 8.6
- 164MooreOklahoma 8.6
- 164Corpus ChristiTexas 8.6
- 164EriePennsylvania 8.6
- 164Rio RanchoNew Mexico 8.6
- 164Columbia CityWashington 8.6
- 164KentWashington 8.6
- 172WestonFlorida 8.5
- 172Winston-SalemNorth Carolina 8.5
- 172Los AngelesCalifornia 8.5
- 172TruckeeCalifornia 8.5
- 172Grants PassOregon 8.5
- 172SalemOregon 8.5
- 178LakelandFlorida 8.4
- 178Ponte Vedra BeachFlorida 8.4
- 178GainesvilleGeorgia 8.4
- 178AshlandKentucky 8.4
- 178OwensboroKentucky 8.4
- 178DallasTexas 8.4
- 178EwingNew Jersey 8.4
- 178HermitagePennsylvania 8.4
- 178Carsonlow-cost sensorsCalifornia 8.4
- 178Spanish SpringsNevada 8.4
- 178El PasoTexas 8.4
- 178EllensburgWashington 8.4
- 178ParklandWashington 8.4
- 191Phenix CityAlabama 8.3
- 191ValricoFlorida 8.3
- 191BrunswickGeorgia 8.3
- 191Kansas CityMissouri 8.3
- 191LaredoTexas 8.3
- 191SpringfieldMassachusetts 8.3
- 191CheektowagaNew York 8.3
- 191RochesterNew York 8.3
- 191Casas AdobesArizona 8.3
- 191ClovisCalifornia 8.3
- 201BearDelaware 8.2
- 201RaleighNorth Carolina 8.2
- 201FlorenceSouth Carolina 8.2
- 201KeeneNew Hampshire 8.2
- 201White PlainsNew York 8.2
- 201BridgeportConnecticut 8.2
- 201SeattleWashington 8.2
- 208Daytona BeachFlorida 8.1
- 208Winter ParkFlorida 8.1
- 208MaconGeorgia 8.1
- 208ElktonMaryland 8.1
- 208HernandoMississippi 8.1
- 208GreensboroNorth Carolina 8.1
- 208SuperiorWisconsin 8.1
- 208PortervilleCalifornia 8.1
- 216SaginawTexas 8.0
- 216New HavenConnecticut 8.0
- 216LafayetteIndiana 8.0
- 216KenmoreNew York 8.0
- 216New CityNew York 8.0
- 216AltoonaPennsylvania 8.0
- 216El CajonCalifornia 8.0
- 216MidwayFlorida 8.0
- 224OcalaFlorida 7.9
- 224Deer ParkTexas 7.9
- 224AlbanyNew York 7.9
- 224TurlockCalifornia 7.9
- 228Belle GladeFlorida 7.8
- 228VeniceFlorida 7.8
- 228Ponca CityOklahoma 7.8
- 228Rose HillVirginia 7.8
- 228Grand IslandNebraska 7.8
- 228State CollegePennsylvania 7.8
- 234TrussvilleAlabama 7.7
- 234MiamiFlorida 7.7
- 234Lexington-FayetteKentucky 7.7
- 234SulphurLouisiana 7.7
- 234JenksOklahoma 7.7
- 234BlaineMinnesota 7.7
- 234LincolnNebraska 7.7
- 234WoodburnOregon 7.7
- 242HomesteadFlorida 7.6
- 242SarasotaFlorida 7.6
- 242HattiesburgMississippi 7.6
- 242BartlettTennessee 7.6
- 242Fort WorthTexas 7.6
- 242BoulderColorado 7.6
- 242Great FallsMontana 7.6
- 242AuburnWashington 7.6
- 250Safety HarborFlorida 7.5
- 250CharlotteNorth Carolina 7.5
- 250EdmondOklahoma 7.5
- 250MuscatineIowa 7.5
- 250GaryIndiana 7.5
- 250LindenNew Jersey 7.5
- 250RutlandVermont 7.5
- 250RichmondCalifornia 7.5
- 250RosevilleCalifornia 7.5
- 250Coeur d'AleneIdaho 7.5
- 250CanbyOregon 7.5
- 250TigardOregon 7.5
- 262DecaturAlabama 7.4
- 262Bonita SpringsFlorida 7.4
- 262Lake MaryFlorida 7.4
- 262Palm BayFlorida 7.4
- 262GulfportMississippi 7.4
- 262RichmondVirginia 7.4
- 262KokomoIndiana 7.4
- 262BozemanMontana 7.4
- 262OrchardsWashington 7.4
- 262RentonWashington 7.4
- 272Fort SmithArkansas 7.3
- 272ShreveportLouisiana 7.3
- 272ScaggsvilleMaryland 7.3
- 272University CityMissouri 7.3
- 272ClaytonNorth Carolina 7.3
- 272College StationTexas 7.3
- 272East HamptonVirginia 7.3
- 272LimaOhio 7.3
- 272Long BeachCalifornia 7.3
- 272Ken CarylColorado 7.3
- 272WenatcheeWashington 7.3
- 283HuntsvilleAlabama 7.2
- 283DoverDelaware 7.2
- 283DavieFlorida 7.2
- 283ElizabethtownKentucky 7.2
- 283JacksonMississippi 7.2
- 283PascagoulaMississippi 7.2
- 283MasonOhio 7.2
- 283DanburyConnecticut 7.2
- 283AkronOhio 7.2
- 283MesaArizona 7.2
- 283BurbankCalifornia 7.2
- 283MantecaCalifornia 7.2
- 283OceansideCalifornia 7.2
- 283VancouverWashington 7.2
- 297WashingtonDistrict of Columbia 7.1
- 297Deerfield BeachFlorida 7.1
- 297OlatheKansas 7.1
- 297St. LouisMissouri 7.1
- 297MorrisvilleNorth Carolina 7.1
- 297ChicoCalifornia 7.1
- 297Santa ClaritaCalifornia 7.1
- 297Santa CruzCalifornia 7.1
- 297Torrancelow-cost sensorsCalifornia 7.1
- 297Rapid CitySouth Dakota 7.1
- 307GainesvilleFlorida 7.0
- 307ColumbusIndiana 7.0
- 307LafayetteLouisiana 7.0
- 307ArnoldMissouri 7.0
- 307Carson CityNevada 7.0
- 307ShorelineWashington 7.0
- 313BaltimoreMaryland 6.9
- 313Port ArthurTexas 6.9
- 313BrocktonMassachusetts 6.9
- 313WarrenOhio 6.9
- 313NampaIdaho 6.9
- 318Hunt ValleyMaryland 6.8
- 318CorsicanaTexas 6.8
- 318New LondonConnecticut 6.8
- 318PatersonNew Jersey 6.8
- 318ScrantonPennsylvania 6.8
- 318West JordanUtah 6.8
- 324South VinelandNew Jersey 6.7
- 324LebanonOhio 6.7
- 324HendersonvilleTennessee 6.7
- 324Jersey CityNew Jersey 6.7
- 324BurlingtonVermont 6.7
- 324AlbuquerqueNew Mexico 6.7
- 324Las VegasNevada 6.7
- 324BillingsMontana 6.7
- 324SpokaneWashington 6.7
- 333SpringfieldMissouri 6.6
- 333HartfordConnecticut 6.6
- 333WorcesterMassachusetts 6.6
- 333Arroyo GrandeCalifornia 6.6
- 333MissoulaMontana 6.6
- 333CentraliaWashington 6.6
- 333Moses LakeWashington 6.6
- 333Spokane ValleyWashington 6.6
- 341BloomingtonIndiana 6.5
- 341LawtonOklahoma 6.5
- 341BostonMassachusetts 6.5
- 341PittsfieldMassachusetts 6.5
- 341AlbanyOregon 6.5
- 346BessemerAlabama 6.4
- 346Delray BeachFlorida 6.4
- 346DurhamNorth Carolina 6.4
- 346OaklandCalifornia 6.4
- 346WoodlandCalifornia 6.4
- 346Yuba CityCalifornia 6.4
- 346BoiseIdaho 6.4
- 346MilwaukieOregon 6.4
- 346OremUtah 6.4
- 355DentonTexas 6.3
- 355HollandMichigan 6.3
- 355Inglewoodlow-cost sensorsCalifornia 6.3
- 355Forest GroveOregon 6.3
- 359HagerstownMaryland 6.2
- 359LibertyMissouri 6.2
- 359Roanoke RapidsNorth Carolina 6.2
- 359BeltonTexas 6.2
- 359ToledoOhio 6.2
- 359San LeandroCalifornia 6.2
- 359San RafaelCalifornia 6.2
- 359Santa RosaCalifornia 6.2
- 359SocorroTexas 6.2
- 359Salt Lake CityUtah 6.2
- 359Spanish ForkUtah 6.2
- 370LemayMissouri 6.1
- 370ColumbiaTennessee 6.1
- 370YumaArizona 6.1
- 370PendletonOregon 6.1
- 370BremertonWashington 6.1
- 375KingsportTennessee 6.0
- 375CharlottesvilleVirginia 6.0
- 375Fall RiverMassachusetts 6.0
- 375LowellMassachusetts 6.0
- 375MeridianIdaho 6.0
- 375BountifulUtah 6.0
- 381Toms RiverNew Jersey 5.9
- 381JacksonTennessee 5.9
- 381RoanokeVirginia 5.9
- 381North ChicopeeMassachusetts 5.9
- 381QuincyMassachusetts 5.9
- 381MedinaOhio 5.9
- 387RaymoreMissouri 5.8
- 387PleasantvilleNew Jersey 5.8
- 387CharlestonWest Virginia 5.8
- 387Lomitalow-cost sensorsCalifornia 5.8
- 387GreshamOregon 5.8
- 387PortlandOregon 5.8
- 393San FranciscoCalifornia 5.7
- 393RenoNevada 5.7
- 393Idaho FallsIdaho 5.7
- 396New OrleansLouisiana 5.6
- 396GahannaOhio 5.6
- 396AtascaderoCalifornia 5.6
- 396PleasantonCalifornia 5.6
- 400TucsonArizona 5.5
- 400AnaheimCalifornia 5.5
- 400ConcordCalifornia 5.5
- 400OrcuttCalifornia 5.5
- 400SalinasCalifornia 5.5
- 400Grand JunctionColorado 5.5
- 400Walla WallaWashington 5.5
- 407EdgewoodMaryland 5.4
- 407AshevilleNorth Carolina 5.4
- 407DyersburgTennessee 5.4
- 407PortsmouthNew Hampshire 5.4
- 407Eagle PassTexas 5.4
- 407LongviewWashington 5.4
- 407Makakilo / Kapolei / Honokai HaleHawaii 5.4
- 414GreenvilleNorth Carolina 5.3
- 414ProvidenceRhode Island 5.3
- 414MaranaArizona 5.3
- 417RockvilleMaryland 5.2
- 417Twin FallsIdaho 5.2
- 417MagnaUtah 5.2
- 417PascoWashington 5.2
- 421CookevilleTennessee 5.1
- 421PainesvilleOhio 5.1
- 421DavisCalifornia 5.1
- 421San JoseCalifornia 5.1
- 421Santa Monicalow-cost sensorsCalifornia 5.1
- 421VictorvilleCalifornia 5.1
- 421Colorado SpringsColorado 5.1
- 421ReddingCalifornia 5.1
- 421HonoluluHawaii 5.1
- 430McDonoughGeorgia 5.0
- 430LynnMassachusetts 5.0
- 430LewistonMaine 5.0
- 430GaltCalifornia 5.0
- 430PocatelloIdaho 5.0
- 430LaceyWashington 5.0
- 436LivermoreCalifornia 4.9
- 436DallasOregon 4.9
- 438DerryNew Hampshire 4.8
- 438Agouralow-cost sensorsCalifornia 4.8
- 438BrawleyCalifornia 4.8
- 441LincolnCalifornia 4.7
- 441Redwood CityCalifornia 4.7
- 441BeavertonOregon 4.7
- 441HermistonOregon 4.7
- 441La Crescenta-Montroselow-cost sensorsCalifornia 4.7
- 446VacavilleCalifornia 4.6
- 447CoventryRhode Island 4.5
- 447OdessaTexas 4.5
- 447BendOregon 4.5
- 447HerrimanUtah 4.5
- 447Rock SpringsWyoming 4.5
- 452San Luis ObispoCalifornia 4.4
- 452Coos BayOregon 4.4
- 452North OgdenUtah 4.4
- 452AberdeenWashington 4.4
- 456BangorMaine 4.3
- 456LaconiaNew Hampshire 4.3
- 456LompocCalifornia 4.3
- 456Salmon CreekWashington 4.3
- 456Tri-CitiesWashington 4.3
- 461Spring ValleyNevada 4.2
- 461AshlandOregon 4.2
- 461KahuluiHawaii 4.2
- 464PortlandMaine 4.0
- 464HendersonNevada 4.0
- 464GilletteWyoming 4.0
- 467HollisterCalifornia 3.9
- 467Lake ElsinoreCalifornia 3.9
- 467NipomoCalifornia 3.9
- 467Cedar CityUtah 3.9
- 467BellinghamWashington 3.9
- 472GlendoraCalifornia 3.8
- 472ParadiseCalifornia 3.8
- 472HobbsNew Mexico 3.8
- 472Sunland ParkNew Mexico 3.8
- 476Las CrucesNew Mexico 3.7
- 476EnterpriseNevada 3.7
- 478AmarilloTexas 3.6
- 478Mount VernonWashington 3.6
- 480FillmoreCalifornia 3.5
- 481TracyCalifornia 3.2
- 481TooeleUtah 3.2
- 483HiloHawaii 3.1
- 483Summerlin SouthNevada 3.1
- 485Green ValleyArizona 3.0
- 485LubbockTexas 3.0
- 487AnacortesWashington 2.9
- 488PullmanWashington 2.8
- 488LaramieWyoming 2.8
- 490EugeneOregon 2.7
- 491MoscowIdaho 2.6
- 491BellevueWashington 2.6
- 493Oak HarborWashington 2.5
- 494Boulder CityNevada 2.2
- 494MesquiteNevada 2.2
- 494HurricaneUtah 2.2
- 494CasperWyoming 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+