SmogRank / Countries / United States / April 2023
Most polluted cities in United States, April 2023
529 cities in United States ranked by their average PM2.5 over the 30 days. Worst: Los Angeles at 15.5 µg/m³, #85 of 1,251 cities in the world. Cleanest: Marysville at 0.4. A city needs measurements on 70% of the days to be ranked.
- 1Los AngelesCalifornia 15.5
- 2CalexicoCalifornia 14.9
- 3IndianapolisIndiana 14.3
- 4RedfordMichigan 13.8
- 5Jurupa ValleyCalifornia 13.2
- 6ComptonCalifornia 13.0
- 7BurbankCalifornia 12.6
- 8San DiegoCalifornia 12.5
- 9EdinburgTexas 11.7
- 10BrawleyCalifornia 11.6
- 11BirminghamAlabama 11.5
- 11HueytownAlabama 11.5
- 13DetroitMichigan 11.3
- 14TopekaKansas 11.2
- 14DearbornMichigan 11.2
- 16LawrencevilleGeorgia 11.1
- 17Coconut CreekFlorida 11.0
- 17Valley StationKentucky 11.0
- 17Ponca CityOklahoma 11.0
- 17TulsaOklahoma 11.0
- 17East RidgeTennessee 11.0
- 17El CajonCalifornia 11.0
- 23JeffersonvilleIndiana 10.9
- 23GlendoraCalifornia 10.9
- 23Long BeachCalifornia 10.9
- 26GreenvilleSouth Carolina 10.7
- 26ClevelandOhio 10.7
- 28Carsonlow-cost sensorsCalifornia 10.6
- 29HoustonTexas 10.5
- 30Hawthornelow-cost sensorsCalifornia 10.4
- 30Santa ClaritaCalifornia 10.4
- 32SpringfieldMassachusetts 10.3
- 33NorwoodOhio 10.2
- 33LaredoTexas 10.2
- 33ElizabethNew Jersey 10.2
- 33VisaliaCalifornia 10.2
- 37LouisvilleKentucky 10.1
- 37BaytownTexas 10.1
- 37West MifflinPennsylvania 10.1
- 37BanningCalifornia 10.1
- 41GainesvilleGeorgia 10.0
- 41Oak LawnIllinois 10.0
- 41La Crescenta-Montroselow-cost sensorsCalifornia 10.0
- 44HarrisburgPennsylvania 9.9
- 44LancasterPennsylvania 9.9
- 46OceansideCalifornia 9.8
- 47CantonOhio 9.7
- 47Lomitalow-cost sensorsCalifornia 9.7
- 47Torrancelow-cost sensorsCalifornia 9.7
- 50East LakeFlorida 9.6
- 50AthensGeorgia 9.6
- 50HattiesburgMississippi 9.6
- 50MorrisvilleNorth Carolina 9.6
- 50JenksOklahoma 9.6
- 50WaterlooIowa 9.6
- 50LebanonPennsylvania 9.6
- 57MaconGeorgia 9.5
- 57OwensboroKentucky 9.5
- 57St. LouisMissouri 9.5
- 57TexarkanaTexas 9.5
- 57Calumet CityIllinois 9.5
- 57HammondIndiana 9.5
- 57Grand RapidsMichigan 9.5
- 57TaylorMichigan 9.5
- 65Little RockArkansas 9.4
- 65CincinnatiOhio 9.4
- 65KnoxvilleTennessee 9.4
- 65DublinOhio 9.4
- 65BakersfieldCalifornia 9.4
- 65Inglewoodlow-cost sensorsCalifornia 9.4
- 71Fort SmithArkansas 9.3
- 71Bonita SpringsFlorida 9.3
- 71WichitaKansas 9.3
- 71ChattanoogaTennessee 9.3
- 71AustinTexas 9.3
- 71San AntonioTexas 9.3
- 71ClintonIowa 9.3
- 71NapervilleIllinois 9.3
- 71West FargoNorth Dakota 9.3
- 71BuffaloNew York 9.3
- 71Santa Monicalow-cost sensorsCalifornia 9.3
- 82TallahasseeFlorida 9.2
- 82OlatheKansas 9.2
- 82JeffersontownKentucky 9.2
- 82LexingtonNorth Carolina 9.2
- 82Missouri CityTexas 9.2
- 82PasadenaTexas 9.2
- 82East ChicagoIndiana 9.2
- 82YpsilantiMichigan 9.2
- 82YumaArizona 9.2
- 82Arroyo GrandeCalifornia 9.2
- 82ParadiseCalifornia 9.2
- 93TrussvilleAlabama 9.1
- 93Terre HauteIndiana 9.1
- 93Kansas CityKansas 9.1
- 93DaytonOhio 9.1
- 93MooreOklahoma 9.1
- 93Mission BendTexas 9.1
- 93JenisonMichigan 9.1
- 93Port HuronMichigan 9.1
- 93CarlislePennsylvania 9.1
- 93EriePennsylvania 9.1
- 103Ferry PassFlorida 9.0
- 103East Saint LouisIllinois 9.0
- 103JacksonMississippi 9.0
- 103SpringfieldOhio 9.0
- 103Oklahoma CityOklahoma 9.0
- 103SpartanburgSouth Carolina 9.0
- 103Corpus ChristiTexas 9.0
- 103WarrenOhio 9.0
- 103Agouralow-cost sensorsCalifornia 9.0
- 112GadsdenAlabama 8.9
- 112NewarkDelaware 8.9
- 112Fort LauderdaleFlorida 8.9
- 112TampaFlorida 8.9
- 112AshlandKentucky 8.9
- 112AnkenyIowa 8.9
- 112South BendIndiana 8.9
- 112YoungstownOhio 8.9
- 112WaukeshaWisconsin 8.9
- 112PortervilleCalifornia 8.9
- 122Warner RobinsGeorgia 8.8
- 122HernandoMississippi 8.8
- 122GreensboroNorth Carolina 8.8
- 122FlorenceSouth Carolina 8.8
- 126ValdostaGeorgia 8.7
- 126Saint MatthewsKentucky 8.7
- 126ShreveportLouisiana 8.7
- 126SulphurLouisiana 8.7
- 126PhiladelphiaPennsylvania 8.7
- 126Fort WorthTexas 8.7
- 126PittsburghPennsylvania 8.7
- 133West MemphisArkansas 8.6
- 133Winston-SalemNorth Carolina 8.6
- 133YorkPennsylvania 8.6
- 133SaginawTexas 8.6
- 133SocorroTexas 8.6
- 133Candler-McAfeeGeorgia 8.6
- 139PaducahKentucky 8.5
- 139Daytona BeachFlorida 8.5
- 139SavannahGeorgia 8.5
- 139GulfportMississippi 8.5
- 139North CharlestonSouth Carolina 8.5
- 139Port ArthurTexas 8.5
- 139JolietIllinois 8.5
- 139AndersonIndiana 8.5
- 139New York CityNew York 8.5
- 139State CollegePennsylvania 8.5
- 149HuntsvilleAlabama 8.4
- 149ClemmonsNorth Carolina 8.4
- 149ChesterPennsylvania 8.4
- 149FlintMichigan 8.4
- 149EwingNew Jersey 8.4
- 149ReadingPennsylvania 8.4
- 149South MilwaukeeWisconsin 8.4
- 149RichmondCalifornia 8.4
- 157WilmingtonDelaware 8.3
- 157Ponte Vedra BeachFlorida 8.3
- 157ElizabethtownKentucky 8.3
- 157PascagoulaMississippi 8.3
- 157RockfordIllinois 8.3
- 157AltoonaPennsylvania 8.3
- 157ScrantonPennsylvania 8.3
- 157Eagle PassTexas 8.3
- 165VeniceFlorida 8.2
- 165Lexington-FayetteKentucky 8.2
- 165Baton RougeLouisiana 8.2
- 165WilkinsburgPennsylvania 8.2
- 165TucsonArizona 8.2
- 170Fruit CoveFlorida 8.1
- 170BrunswickGeorgia 8.1
- 170CharlotteNorth Carolina 8.1
- 170Saint AndrewsSouth Carolina 8.1
- 170ConroeTexas 8.1
- 170MolineIllinois 8.1
- 170GaryIndiana 8.1
- 170HaverhillMassachusetts 8.1
- 170BellevueNebraska 8.1
- 170LincolnNebraska 8.1
- 170BridgeportConnecticut 8.1
- 170PhoenixArizona 8.1
- 182BloomingtonIndiana 8.0
- 182CorsicanaTexas 8.0
- 182East HamptonVirginia 8.0
- 182DavenportIowa 8.0
- 182Franklin ParkIllinois 8.0
- 182LansingMichigan 8.0
- 182BethlehemPennsylvania 8.0
- 182JohnstownPennsylvania 8.0
- 190RaleighNorth Carolina 7.9
- 190Roanoke RapidsNorth Carolina 7.9
- 190PennsaukenNew Jersey 7.9
- 190BartlettTennessee 7.9
- 190Rose HillVirginia 7.9
- 190BloomingtonIllinois 7.9
- 190ElkhartIndiana 7.9
- 190AppletonWisconsin 7.9
- 190MadisonWisconsin 7.9
- 190SheridanWyoming 7.9
- 200Deerfield BeachFlorida 7.8
- 200SpringfieldIllinois 7.8
- 200RichmondVirginia 7.8
- 200Des PlainesIllinois 7.8
- 200BostonMassachusetts 7.8
- 200NorristownPennsylvania 7.8
- 200MidwayFlorida 7.8
- 207MiamiFlorida 7.7
- 207OcalaFlorida 7.7
- 207Palm CityFlorida 7.7
- 207ScaggsvilleMaryland 7.7
- 207LebanonOhio 7.7
- 207EdmondOklahoma 7.7
- 207CharlestonWest Virginia 7.7
- 207ChicagoIllinois 7.7
- 207ZionIllinois 7.7
- 207AkronOhio 7.7
- 207AllentownPennsylvania 7.7
- 207HanfordCalifornia 7.7
- 207Las VegasNevada 7.7
- 207Great FallsMontana 7.7
- 221WashingtonDistrict of Columbia 7.6
- 221Delray BeachFlorida 7.6
- 221JacksonvilleFlorida 7.6
- 221Palm BayFlorida 7.6
- 221SarasotaFlorida 7.6
- 221ClaytonNorth Carolina 7.6
- 221FayettevilleNorth Carolina 7.6
- 221McAlesterOklahoma 7.6
- 221ColumbiaTennessee 7.6
- 221BeltonTexas 7.6
- 221HopewellVirginia 7.6
- 221SpringfieldVirginia 7.6
- 221LafayetteIndiana 7.6
- 221PortageIndiana 7.6
- 221PatersonNew Jersey 7.6
- 221McKeesportPennsylvania 7.6
- 221Green BayWisconsin 7.6
- 221La CrosseWisconsin 7.6
- 221Casas AdobesArizona 7.6
- 221FresnoCalifornia 7.6
- 241BearDelaware 7.5
- 241AtlantaGeorgia 7.5
- 241New AlbanyIndiana 7.5
- 241ElktonMaryland 7.5
- 241ConwaySouth Carolina 7.5
- 241New HavenConnecticut 7.5
- 241NorthbrookIllinois 7.5
- 241RochesterMinnesota 7.5
- 241New BrunswickNew Jersey 7.5
- 241ToledoOhio 7.5
- 251Belle GladeFlorida 7.4
- 251Safety HarborFlorida 7.4
- 251WellingtonFlorida 7.4
- 251McDonoughGeorgia 7.4
- 251Saint JosephMissouri 7.4
- 251College StationTexas 7.4
- 251DentonTexas 7.4
- 251ChesapeakeVirginia 7.4
- 251RoanokeVirginia 7.4
- 251WorcesterMassachusetts 7.4
- 251Bay CityMichigan 7.4
- 251TempeArizona 7.4
- 263ColumbusIndiana 7.3
- 263CharlottesvilleVirginia 7.3
- 263MinneapolisMinnesota 7.3
- 263HermitagePennsylvania 7.3
- 263CorcoranCalifornia 7.3
- 268ValricoFlorida 7.2
- 268DallasTexas 7.2
- 268Saint CloudMinnesota 7.2
- 268ShakopeeMinnesota 7.2
- 268AlbanyNew York 7.2
- 268PainesvilleOhio 7.2
- 268WatertownSouth Dakota 7.2
- 268VictorvilleCalifornia 7.2
- 268HobbsNew Mexico 7.2
- 277GainesvilleFlorida 7.1
- 277LakelandFlorida 7.1
- 277BaltimoreMaryland 7.1
- 277ArnoldMissouri 7.1
- 277IndependenceMissouri 7.1
- 277SpringfieldMissouri 7.1
- 277DurhamNorth Carolina 7.1
- 277HendersonvilleTennessee 7.1
- 277Grand IslandNebraska 7.1
- 277MedinaOhio 7.1
- 287Des MoinesIowa 7.0
- 287CaryIllinois 7.0
- 287BrocktonMassachusetts 7.0
- 287LindenNew Jersey 7.0
- 287Eau ClaireWisconsin 7.0
- 287GlendaleArizona 7.0
- 287MaderaCalifornia 7.0
- 287SacramentoCalifornia 7.0
- 287SalinasCalifornia 7.0
- 287RexburgIdaho 7.0
- 297WestonFlorida 6.9
- 297MasonOhio 6.9
- 297Fall RiverMassachusetts 6.9
- 297Saint MichaelMinnesota 6.9
- 297Saint PaulMinnesota 6.9
- 297AlbuquerqueNew Mexico 6.9
- 297OdessaTexas 6.9
- 304Lake MaryFlorida 6.8
- 304LawtonOklahoma 6.8
- 304DanburyConnecticut 6.8
- 304KokomoIndiana 6.8
- 304QuincyMassachusetts 6.8
- 304Apple ValleyMinnesota 6.8
- 304RochesterNew York 6.8
- 304MesaArizona 6.8
- 304NogalesArizona 6.8
- 304ClovisCalifornia 6.8
- 304NipomoCalifornia 6.8
- 315DoverDelaware 6.7
- 315GreenvilleNorth Carolina 6.7
- 315HartfordConnecticut 6.7
- 315GreenfieldMassachusetts 6.7
- 315Lake ElsinoreCalifornia 6.7
- 315Spanish SpringsNevada 6.7
- 315AmarilloTexas 6.7
- 322JacksonTennessee 6.6
- 322New LondonConnecticut 6.6
- 322PittsfieldMassachusetts 6.6
- 322Jersey CityNew Jersey 6.6
- 322CheektowagaNew York 6.6
- 322Casa GrandeArizona 6.6
- 328Kansas CityMissouri 6.5
- 328ClarksvilleTennessee 6.5
- 328Sunland ParkNew Mexico 6.5
- 328LubbockTexas 6.5
- 332South VinelandNew Jersey 6.4
- 332KingsportTennessee 6.4
- 332MuscatineIowa 6.4
- 332KenmoreNew York 6.4
- 332MantecaCalifornia 6.4
- 332Las CrucesNew Mexico 6.4
- 332West JordanUtah 6.4
- 339University CityMissouri 6.3
- 339LimaOhio 6.3
- 339FillmoreCalifornia 6.3
- 339ThorntonColorado 6.3
- 343HomesteadFlorida 6.2
- 343HagerstownMaryland 6.2
- 343LowellMassachusetts 6.2
- 343LynnMassachusetts 6.2
- 343Fort LeeNew Jersey 6.2
- 343RutlandVermont 6.2
- 343Columbia CityWashington 6.2
- 350PleasantvilleNew Jersey 6.1
- 350KeeneNew Hampshire 6.1
- 350BurlingtonVermont 6.1
- 350ModestoCalifornia 6.1
- 350Spring ValleyNevada 6.1
- 350HurricaneUtah 6.1
- 356ProvidenceRhode Island 6.0
- 356MaranaArizona 6.0
- 356TruckeeCalifornia 6.0
- 356Rio RanchoNew Mexico 6.0
- 356HendersonNevada 6.0
- 356KentWashington 6.0
- 362Hunt ValleyMaryland 5.9
- 362South LaurelMaryland 5.9
- 362Toms RiverNew Jersey 5.9
- 362White OakOhio 5.9
- 362DyersburgTennessee 5.9
- 367AshevilleNorth Carolina 5.8
- 367NewburghNew York 5.8
- 367GahannaOhio 5.8
- 367LompocCalifornia 5.8
- 367OaklandCalifornia 5.8
- 367OrcuttCalifornia 5.8
- 367Boulder CityNevada 5.8
- 374PortsmouthNew Hampshire 5.7
- 374Rapid CitySouth Dakota 5.7
- 374Rock SpringsWyoming 5.7
- 374Arden-ArcadeCalifornia 5.7
- 378FishersIndiana 5.6
- 378New OrleansLouisiana 5.6
- 378LemayMissouri 5.6
- 378AdaOklahoma 5.6
- 378North ChicopeeMassachusetts 5.6
- 378OmahaNebraska 5.6
- 378UkiahCalifornia 5.6
- 378Salt Lake CityUtah 5.6
- 386RockvilleMaryland 5.5
- 386LibertyMissouri 5.5
- 386Yuba CityCalifornia 5.5
- 386Colorado SpringsColorado 5.5
- 386El PasoTexas 5.5
- 386Cedar CityUtah 5.5
- 392HollandMichigan 5.4
- 392FolsomCalifornia 5.4
- 392PleasantonCalifornia 5.4
- 395BlaineMinnesota 5.3
- 395UticaNew York 5.3
- 395MercedCalifornia 5.3
- 395EnterpriseNevada 5.3
- 395Makakilo / Kapolei / Honokai HaleHawaii 5.3
- 400EdgewoodMaryland 5.2
- 400DerryNew Hampshire 5.2
- 400TurlockCalifornia 5.2
- 400OremUtah 5.2
- 404HolbrookNew York 5.1
- 404SuperiorWisconsin 5.1
- 404ConcordCalifornia 5.1
- 404RosevilleCalifornia 5.1
- 404Coeur d'AleneIdaho 5.1
- 404Twin FallsIdaho 5.1
- 404BillingsMontana 5.1
- 404BountifulUtah 5.1
- 404MagnaUtah 5.1
- 413RaymoreMissouri 5.0
- 413BrookingsSouth Dakota 5.0
- 413San FranciscoCalifornia 5.0
- 413DenverColorado 5.0
- 413LewistonIdaho 5.0
- 413MeridianIdaho 5.0
- 413SeattleWashington 5.0
- 420San JoseCalifornia 4.9
- 420GreeleyColorado 4.9
- 420BoiseIdaho 4.9
- 420Spanish ForkUtah 4.9
- 424White PlainsNew York 4.8
- 424MesquiteNevada 4.8
- 424Port AngelesWashington 4.8
- 424RentonWashington 4.8
- 428Green ValleyArizona 4.7
- 428ChicoCalifornia 4.7
- 428BoulderColorado 4.7
- 428BozemanMontana 4.7
- 432BangorMaine 4.6
- 432LaconiaNew Hampshire 4.6
- 432New CityNew York 4.6
- 432San LeandroCalifornia 4.6
- 432ReddingCalifornia 4.6
- 432NampaIdaho 4.6
- 432RoseburgOregon 4.6
- 432HerrimanUtah 4.6
- 432TacomaWashington 4.6
- 432YakimaWashington 4.6
- 442LivermoreCalifornia 4.5
- 442Ken CarylColorado 4.5
- 442GilletteWyoming 4.5
- 445BayonneNew Jersey 4.4
- 445LancasterCalifornia 4.4
- 445San Luis ObispoCalifornia 4.4
- 445Santa CruzCalifornia 4.4
- 445Idaho FallsIdaho 4.4
- 445ButteMontana 4.4
- 445Summerlin SouthNevada 4.4
- 452HollisterCalifornia 4.3
- 452Grand JunctionColorado 4.3
- 452RenoNevada 4.3
- 452MedfordOregon 4.3
- 452TigardOregon 4.3
- 452TooeleUtah 4.3
- 452AuburnWashington 4.3
- 459GilroyCalifornia 4.2
- 460GaltCalifornia 4.1
- 460KahuluiHawaii 4.1
- 462AberdeenSouth Dakota 4.0
- 462DavisCalifornia 4.0
- 462Fort CollinsColorado 4.0
- 462North OgdenUtah 4.0
- 462BellinghamWashington 4.0
- 462WenatcheeWashington 4.0
- 462FairbanksAlaska 4.0
- 469BadgerAlaska 3.9
- 470PortlandMaine 3.8
- 470WoodlandCalifornia 3.8
- 470AshlandOregon 3.8
- 470Moses LakeWashington 3.8
- 474KalamazooMichigan 3.7
- 474San RafaelCalifornia 3.7
- 474GreshamOregon 3.7
- 474RedmondOregon 3.7
- 478MoscowIdaho 3.6
- 478EllensburgWashington 3.6
- 480ShorelineWashington 3.5
- 480VancouverWashington 3.5
- 480HonoluluHawaii 3.5
- 483PortlandOregon 3.4
- 483AnchorageAlaska 3.4
- 485LincolnCalifornia 3.3
- 485Santa RosaCalifornia 3.3
- 485MissoulaMontana 3.3
- 485AltamontOregon 3.3
- 485Grants PassOregon 3.3
- 485MilwaukieOregon 3.3
- 485BremertonWashington 3.3
- 485Salmon CreekWashington 3.3
- 485LaramieWyoming 3.3
- 494CentraliaWashington 3.2
- 494Mount VernonWashington 3.2
- 496AtascaderoCalifornia 3.1
- 497PocatelloIdaho 3.0
- 497HermistonOregon 3.0
- 497AberdeenWashington 3.0
- 500VacavilleCalifornia 2.9
- 500Carson CityNevada 2.9
- 500CanbyOregon 2.9
- 500McMinnvilleOregon 2.9
- 500SalemOregon 2.9
- 500WoodburnOregon 2.9
- 500Spokane ValleyWashington 2.9
- 507AlbanyOregon 2.8
- 507BendOregon 2.8
- 507Coos BayOregon 2.8
- 507CorvallisOregon 2.8
- 507PendletonOregon 2.8
- 512Forest GroveOregon 2.7
- 512AnacortesWashington 2.7
- 514TracyCalifornia 2.6
- 514BeavertonOregon 2.6
- 514CasperWyoming 2.6
- 517PullmanWashington 2.5
- 517Walla WallaWashington 2.5
- 519LewistonMaine 2.4
- 519OrchardsWashington 2.4
- 521DallasOregon 2.3
- 522LongviewWashington 2.2
- 523LaceyWashington 2.1
- 524EugeneOregon 2.0
- 525BellevueWashington 1.7
- 526Tri-CitiesWashington 1.6
- 527PascoWashington 1.3
- 528Oak HarborWashington 1.2
- 529MarysvilleWashington 0.4
Good0–9.0
Moderate9.1–35.4
Sensitive groups35.5–55.4
Unhealthy55.5–125.4
Very unhealthy125.5–225.4
Hazardous225.5+