SmogRank / Countries / United States / November 2024
Most polluted cities in United States, November 2024
641 cities in United States ranked by their average PM2.5 over the 30 days. Worst: Lynn at 21.0 µg/m³, #147 of 2,083 cities in the world. Cleanest: Marysville at 1.4. A city needs measurements on 70% of the days to be ranked.
- 1LynnMassachusetts 21.0
- 2VisaliaCalifornia 17.1
- 3NogalesArizona 16.1
- 4HanfordCalifornia 15.2
- 5El PasoTexas 14.8
- 6PhoenixArizona 14.6
- 7ComptonCalifornia 14.4
- 8Jurupa ValleyCalifornia 14.1
- 9BakersfieldCalifornia 14.0
- 10FresnoCalifornia 13.9
- 10StocktonCalifornia 13.9
- 12BirminghamAlabama 13.4
- 13CorcoranCalifornia 13.2
- 13Hawthornelow-cost sensorsCalifornia 13.2
- 15CalexicoCalifornia 12.9
- 16Carsonlow-cost sensorsCalifornia 12.3
- 16BadgerAlaska 12.3
- 18UkiahCalifornia 12.2
- 19AugustaGeorgia 12.0
- 20ClovisCalifornia 11.8
- 20Los AngelesCalifornia 11.8
- 22AnaheimCalifornia 11.7
- 23Santa BarbaraCalifornia 11.6
- 23WoodlandCalifornia 11.6
- 25BartlettTennessee 11.5
- 25PortervilleCalifornia 11.5
- 27Long BeachCalifornia 11.3
- 28HoustonTexas 11.1
- 29Oconomowoclow-cost sensorsWisconsin 11.0
- 29Torrancelow-cost sensorsCalifornia 11.0
- 31Inglewoodlow-cost sensorsCalifornia 10.9
- 31TurlockCalifornia 10.9
- 31YakimaWashington 10.9
- 34Florinlow-cost sensorsCalifornia 10.6
- 35ConroeTexas 10.5
- 35Casa GrandeArizona 10.5
- 35BurbankCalifornia 10.5
- 35ModestoCalifornia 10.5
- 35RiversideCalifornia 10.5
- 35Coeur d'AleneIdaho 10.5
- 35Great FallsMontana 10.5
- 42Little RockArkansas 10.3
- 42FairbanksAlaska 10.3
- 44GreenvilleSouth Carolina 10.2
- 44LewistonIdaho 10.2
- 46HattiesburgMississippi 10.1
- 46RedfordMichigan 10.1
- 48MantecaCalifornia 10.0
- 48Arden-ArcadeCalifornia 10.0
- 50Port ArthurTexas 9.9
- 50SpokaneWashington 9.9
- 50Spokane ValleyWashington 9.9
- 53LawrencevilleGeorgia 9.8
- 53East RidgeTennessee 9.8
- 53GlendaleArizona 9.8
- 53AnchorageAlaska 9.8
- 57MaderaCalifornia 9.7
- 57SalemOregon 9.7
- 59Columbialow-cost sensorsMissouri 9.6
- 59PasadenaTexas 9.6
- 61OxnardCalifornia 9.5
- 61WoodburnOregon 9.5
- 63Missouri CityTexas 9.4
- 63FontanaCalifornia 9.4
- 63MedfordOregon 9.4
- 63TigardOregon 9.4
- 67ChicoCalifornia 9.3
- 68MaconGeorgia 9.2
- 68MercedCalifornia 9.2
- 68SacramentoCalifornia 9.2
- 71LexingtonNorth Carolina 9.1
- 71SpartanburgSouth Carolina 9.1
- 73GadsdenAlabama 9.0
- 73FlorenceSouth Carolina 9.0
- 73MaranaArizona 9.0
- 73RosevilleCalifornia 9.0
- 73Rio RanchoNew Mexico 9.0
- 73Grants PassOregon 9.0
- 73Port AngelesWashington 9.0
- 73WenatcheeWashington 9.0
- 81MissionTexas 8.9
- 81Oak LawnIllinois 8.9
- 81San DiegoCalifornia 8.9
- 81Santa ClaritaCalifornia 8.9
- 85DallasTexas 8.8
- 85TempeArizona 8.8
- 85Lomitalow-cost sensorsCalifornia 8.8
- 88ColumbusGeorgia 8.7
- 88FayettevilleNorth Carolina 8.7
- 88Northglennlow-cost sensorsColorado 8.7
- 88AlbuquerqueNew Mexico 8.7
- 88RentonWashington 8.7
- 93ValricoFlorida 8.6
- 93ShreveportLouisiana 8.6
- 93ToledoOhio 8.6
- 93SunnysideWashington 8.6
- 97East LakeFlorida 8.5
- 97DublinOhio 8.5
- 99BessemerAlabama 8.4
- 99IndianapolisIndiana 8.4
- 99BaytownTexas 8.4
- 99OregonOhio 8.4
- 99TucsonArizona 8.4
- 99Chula VistaCalifornia 8.4
- 99San JoseCalifornia 8.4
- 99Spanish SpringsNevada 8.4
- 99Columbia CityWashington 8.4
- 99TacomaWashington 8.4
- 99Candler-McAfeeGeorgia 8.4
- 110CharlotteNorth Carolina 8.3
- 110ColumbusOhio 8.3
- 110VictorvilleCalifornia 8.3
- 110MoscowIdaho 8.3
- 114West MemphisArkansas 8.2
- 114KennesawGeorgia 8.2
- 114YumaArizona 8.2
- 114AtascaderoCalifornia 8.2
- 114Yuba CityCalifornia 8.2
- 114HermistonOregon 8.2
- 120HueytownAlabama 8.1
- 120AtlantaGeorgia 8.1
- 120Terre HauteIndiana 8.1
- 120ClaytonNorth Carolina 8.1
- 120ChicagoIllinois 8.1
- 120MesaArizona 8.1
- 120HelenaMontana 8.1
- 120MilwaukieOregon 8.1
- 128Las VegasNevada 8.0
- 128CanbyOregon 8.0
- 128EugeneOregon 8.0
- 131TrussvilleAlabama 7.9
- 131ValdostaGeorgia 7.9
- 131ChattanoogaTennessee 7.9
- 131KnoxvilleTennessee 7.9
- 131RochesterMinnesota 7.9
- 131RichmondCalifornia 7.9
- 131Coos BayOregon 7.9
- 138HernandoMississippi 7.8
- 138EdinburgTexas 7.8
- 138TexarkanaTexas 7.8
- 138ElkhartIndiana 7.8
- 138El CajonCalifornia 7.8
- 138HollisterCalifornia 7.8
- 138Santa Monicalow-cost sensorsCalifornia 7.8
- 138GreeleyColorado 7.8
- 146TallahasseeFlorida 7.7
- 146Valley StationKentucky 7.7
- 146LafayetteLouisiana 7.7
- 146BrookfieldIllinois 7.7
- 146ElginIllinois 7.7
- 146OceansideCalifornia 7.7
- 146Brightonlow-cost sensorsColorado 7.7
- 146BozemanMontana 7.7
- 146AlbanyOregon 7.7
- 146HillsboroOregon 7.7
- 156SpringdaleArkansas 7.6
- 156AlbanyGeorgia 7.6
- 156GainesvilleGeorgia 7.6
- 156Warner RobinsGeorgia 7.6
- 156Baton RougeLouisiana 7.6
- 156JacksonMississippi 7.6
- 156DurhamNorth Carolina 7.6
- 156NashvilleTennessee 7.6
- 156CharlestonWest Virginia 7.6
- 156CaryIllinois 7.6
- 156FlintMichigan 7.6
- 156BerkeleyCalifornia 7.6
- 156ThorntonColorado 7.6
- 156LongmontColorado 7.6
- 156AltamontOregon 7.6
- 156MillcreekUtah 7.6
- 172TampaFlorida 7.5
- 172SavannahGeorgia 7.5
- 172GreensboroNorth Carolina 7.5
- 172PhiladelphiaPennsylvania 7.5
- 172North CharlestonSouth Carolina 7.5
- 172ClintonIowa 7.5
- 172GaryIndiana 7.5
- 172WaukeshaWisconsin 7.5
- 172LompocCalifornia 7.5
- 172Santa PaulaCalifornia 7.5
- 172RenoNevada 7.5
- 183MiamiFlorida 7.4
- 183OcalaFlorida 7.4
- 183AthensGeorgia 7.4
- 183BrunswickGeorgia 7.4
- 183AshlandKentucky 7.4
- 183MiddletownOhio 7.4
- 183NorwoodOhio 7.4
- 183Mission BendTexas 7.4
- 183CantonOhio 7.4
- 183West MifflinPennsylvania 7.4
- 183NipomoCalifornia 7.4
- 183The DallesOregon 7.4
- 195DecaturIllinois 7.3
- 195RaleighNorth Carolina 7.3
- 195SaginawTexas 7.3
- 195DearbornMichigan 7.3
- 195WyomingMichigan 7.3
- 195PerrysburgOhio 7.3
- 195Casas AdobesArizona 7.3
- 195El CentroCalifornia 7.3
- 195IndioCalifornia 7.3
- 195Carson CityNevada 7.3
- 195AuburnWashington 7.3
- 206Fort LauderdaleFlorida 7.2
- 206Ponte Vedra BeachFlorida 7.2
- 206Kansas CityKansas 7.2
- 206HickoryNorth Carolina 7.2
- 206PortsmouthOhio 7.2
- 206HuntingtonWest Virginia 7.2
- 206Fort WayneIndiana 7.2
- 206DetroitMichigan 7.2
- 206SteubenvilleOhio 7.2
- 206MartinezCalifornia 7.2
- 206SeattleWashington 7.2
- 217JeffersonvilleIndiana 7.1
- 217LouisvilleKentucky 7.1
- 217SulphurLouisiana 7.1
- 217MorrisvilleNorth Carolina 7.1
- 217Saint AndrewsSouth Carolina 7.1
- 217HendersonvilleTennessee 7.1
- 217Fort WorthTexas 7.1
- 217San AntonioTexas 7.1
- 217JolietIllinois 7.1
- 217WestervilleOhio 7.1
- 217LivermoreCalifornia 7.1
- 217OrcuttCalifornia 7.1
- 217EllensburgWashington 7.1
- 230Bonita SpringsFlorida 7.0
- 230Daytona BeachFlorida 7.0
- 230Oak RidgeFlorida 7.0
- 230EvansvilleIndiana 7.0
- 230EdgewoodMaryland 7.0
- 230Hunt ValleyMaryland 7.0
- 230AustinTexas 7.0
- 230BrownsvilleTexas 7.0
- 230Corpus ChristiTexas 7.0
- 230ChesapeakeVirginia 7.0
- 230NapervilleIllinois 7.0
- 230PeoriaIllinois 7.0
- 230KalamazooMichigan 7.0
- 230BensalemPennsylvania 7.0
- 230LancasterPennsylvania 7.0
- 230BrookingsSouth Dakota 7.0
- 230MilwaukeeWisconsin 7.0
- 230ReddingCalifornia 7.0
- 230McMinnvilleOregon 7.0
- 230Moses LakeWashington 7.0
- 250JacksonvilleFlorida 6.9
- 250DavenportIowa 6.9
- 250WaterlooIowa 6.9
- 250MolineIllinois 6.9
- 250Michigan CityIndiana 6.9
- 250BurnsvilleMinnesota 6.9
- 250Agouralow-cost sensorsCalifornia 6.9
- 250Santa CruzCalifornia 6.9
- 250ShorelineWashington 6.9
- 250La Crescenta-Montroselow-cost sensorsCalifornia 6.9
- 250MidwayFlorida 6.9
- 261PascagoulaMississippi 6.8
- 261La PorteTexas 6.8
- 261Live OakTexas 6.8
- 261Calumet CityIllinois 6.8
- 261RockfordIllinois 6.8
- 261South BendIndiana 6.8
- 261DenverColorado 6.8
- 268FairhopeAlabama 6.7
- 268VeniceFlorida 6.7
- 268ClemmonsNorth Carolina 6.7
- 268GalvestonTexas 6.7
- 268Iowa CityIowa 6.7
- 268HammondIndiana 6.7
- 268New York CityNew York 6.7
- 268HarrisburgPennsylvania 6.7
- 268Fort CollinsColorado 6.7
- 268BeavertonOregon 6.7
- 268ParklandWashington 6.7
- 279Belle GladeFlorida 6.6
- 279OrlandoFlorida 6.6
- 279JeffersontownKentucky 6.6
- 279GulfportMississippi 6.6
- 279McAlesterOklahoma 6.6
- 279Franklin ParkIllinois 6.6
- 279MuncieIndiana 6.6
- 279ClevelandOhio 6.6
- 279BillingsMontana 6.6
- 288Granite CityIllinois 6.5
- 288Cedar RapidsIowa 6.5
- 288BrawleyCalifornia 6.5
- 288Goletalow-cost sensorsCalifornia 6.5
- 288PortlandOregon 6.5
- 288LongviewWashington 6.5
- 294HuntsvilleAlabama 6.4
- 294Ferry PassFlorida 6.4
- 294JasperIndiana 6.4
- 294St. LouisMissouri 6.4
- 294Winston-SalemNorth Carolina 6.4
- 294CincinnatiOhio 6.4
- 294SpringfieldOhio 6.4
- 294LaredoTexas 6.4
- 294East HamptonVirginia 6.4
- 294AuroraIllinois 6.4
- 294East ChicagoIndiana 6.4
- 294LebanonPennsylvania 6.4
- 294MadisonWisconsin 6.4
- 294VacavilleCalifornia 6.4
- 294Watsonvillelow-cost sensorsCalifornia 6.4
- 294Sunland ParkNew Mexico 6.4
- 294NampaIdaho 6.4
- 294Walla WallaWashington 6.4
- 312DecaturAlabama 6.3
- 312PrichardAlabama 6.3
- 312West PensacolaFlorida 6.3
- 312BloomingtonIndiana 6.3
- 312WichitaKansas 6.3
- 312BaltimoreMaryland 6.3
- 312Saint JosephMissouri 6.3
- 312DaytonOhio 6.3
- 312ConwaySouth Carolina 6.3
- 312La VistaNebraska 6.3
- 312EwingNew Jersey 6.3
- 312Fort LeeNew Jersey 6.3
- 312PatersonNew Jersey 6.3
- 312KenmoreNew York 6.3
- 312AkronOhio 6.3
- 312BoiseIdaho 6.3
- 312PendletonOregon 6.3
- 312BellinghamWashington 6.3
- 312CentraliaWashington 6.3
- 331SarasotaFlorida 6.2
- 331WellingtonFlorida 6.2
- 331McDonoughGeorgia 6.2
- 331FishersIndiana 6.2
- 331Roanoke RapidsNorth Carolina 6.2
- 331PennsaukenNew Jersey 6.2
- 331RichmondVirginia 6.2
- 331BloomingtonIllinois 6.2
- 331ChampaignIllinois 6.2
- 331GahannaOhio 6.2
- 331OaklandCalifornia 6.2
- 331Grand JunctionColorado 6.2
- 331DallasOregon 6.2
- 344PaducahKentucky 6.1
- 344Delray BeachFlorida 6.1
- 344HomesteadFlorida 6.1
- 344Palm CityFlorida 6.1
- 344Winter ParkFlorida 6.1
- 344ColumbusIndiana 6.1
- 344TopekaKansas 6.1
- 344Saint MatthewsKentucky 6.1
- 344Toms RiverNew Jersey 6.1
- 344Oklahoma CityOklahoma 6.1
- 344YorkPennsylvania 6.1
- 344CorsicanaTexas 6.1
- 344Des PlainesIllinois 6.1
- 344MinneapolisMinnesota 6.1
- 344MedinaOhio 6.1
- 344WarrenOhio 6.1
- 344McKeesportPennsylvania 6.1
- 344South MilwaukeeWisconsin 6.1
- 344WheelingWest Virginia 6.1
- 344Prunedalelow-cost sensorsCalifornia 6.1
- 344ButteMontana 6.1
- 344Salt Lake CityUtah 6.1
- 344West JordanUtah 6.1
- 367Deerfield BeachFlorida 6.0
- 367Upper AltonIllinois 6.0
- 367ChalmetteLouisiana 6.0
- 367KennerLouisiana 6.0
- 367AndersonIndiana 6.0
- 367Grand RapidsMichigan 6.0
- 367YpsilantiMichigan 6.0
- 367MankatoMinnesota 6.0
- 367BellevueNebraska 6.0
- 367JohnstownPennsylvania 6.0
- 367Arroyo GrandeCalifornia 6.0
- 367San Luis ObispoCalifornia 6.0
- 367PocatelloIdaho 6.0
- 367Rapid CitySouth Dakota 6.0
- 381MontgomeryAlabama 5.9
- 381LebanonOhio 5.9
- 381ChesterPennsylvania 5.9
- 381JacksonTennessee 5.9
- 381College StationTexas 5.9
- 381NorthbrookIllinois 5.9
- 381GreenfieldMassachusetts 5.9
- 381EastpointeMichigan 5.9
- 381TaylorMichigan 5.9
- 381CarlislePennsylvania 5.9
- 381PittsburghPennsylvania 5.9
- 381ScrantonPennsylvania 5.9
- 381FolsomCalifornia 5.9
- 381GaltCalifornia 5.9
- 381Lake ElsinoreCalifornia 5.9
- 381PowayCalifornia 5.9
- 381OremUtah 5.9
- 381LaceyWashington 5.9
- 381VancouverWashington 5.9
- 381Picnic Point-North LynnwoodWashington 5.9
- 401DavieFlorida 5.8
- 401Safety HarborFlorida 5.8
- 401SewellNew Jersey 5.8
- 401White OakOhio 5.8
- 401HarrisonburgVirginia 5.8
- 401AnkenyIowa 5.8
- 401ZionIllinois 5.8
- 401KokomoIndiana 5.8
- 401Saint MichaelMinnesota 5.8
- 401Saint PaulMinnesota 5.8
- 401Shaker HeightsOhio 5.8
- 401ReadingPennsylvania 5.8
- 401MeridianIdaho 5.8
- 414Fort ThomasKentucky 5.7
- 414University CityMissouri 5.7
- 414AshevilleNorth Carolina 5.7
- 414SpringfieldVirginia 5.7
- 414Lincoln ParkMichigan 5.7
- 414ShakopeeMinnesota 5.7
- 414LindenNew Jersey 5.7
- 414WilkinsburgPennsylvania 5.7
- 414Live Oaklow-cost sensorsCalifornia 5.7
- 414South Lake TahoeCalifornia 5.7
- 414TruckeeCalifornia 5.7
- 414BendOregon 5.7
- 426NewarkDelaware 5.6
- 426WilmingtonDelaware 5.6
- 426GainesvilleFlorida 5.6
- 426East Saint LouisIllinois 5.6
- 426ScaggsvilleMaryland 5.6
- 426MooreOklahoma 5.6
- 426MaryvilleTennessee 5.6
- 426San MarcosTexas 5.6
- 426HopewellVirginia 5.6
- 426NorristownPennsylvania 5.6
- 426State CollegePennsylvania 5.6
- 426GreshamOregon 5.6
- 438Fruit CoveFlorida 5.5
- 438SpringfieldIllinois 5.5
- 438South LaurelMaryland 5.5
- 438Bay CityMichigan 5.5
- 438LansingMichigan 5.5
- 438Apple ValleyMinnesota 5.5
- 438Saint CloudMinnesota 5.5
- 438LaconiaNew Hampshire 5.5
- 438WeirtonWest Virginia 5.5
- 438Forest GroveOregon 5.5
- 448TaylorTexas 5.4
- 448Jersey CityNew Jersey 5.4
- 448AlbanyNew York 5.4
- 448YoungstownOhio 5.4
- 448AltoonaPennsylvania 5.4
- 448BethlehemPennsylvania 5.4
- 448Eau ClaireWisconsin 5.4
- 448Weirton HeightsWest Virginia 5.4
- 448SalinasCalifornia 5.4
- 448TracyCalifornia 5.4
- 448MissoulaMontana 5.4
- 448Salmon CreekWashington 5.4
- 460Coconut CreekFlorida 5.3
- 460OlatheKansas 5.3
- 460ElktonMaryland 5.3
- 460GreenvilleNorth Carolina 5.3
- 460ColumbiaTennessee 5.3
- 460Rose HillVirginia 5.3
- 460PortageIndiana 5.3
- 460BlaineMinnesota 5.3
- 460WatertownSouth Dakota 5.3
- 460RutlandVermont 5.3
- 460LancasterCalifornia 5.3
- 460Seasidelow-cost sensorsCalifornia 5.3
- 460BismarckNorth Dakota 5.3
- 473WashingtonDistrict of Columbia 5.2
- 473Palm BayFlorida 5.2
- 473Kansas CityMissouri 5.2
- 473LemayMissouri 5.2
- 473South VinelandNew Jersey 5.2
- 473TulsaOklahoma 5.2
- 473ClarksvilleTennessee 5.2
- 473DyersburgTennessee 5.2
- 473DentonTexas 5.2
- 473DanburyConnecticut 5.2
- 473Cleveland HeightsOhio 5.2
- 473LafayetteIndiana 5.2
- 473AllentownPennsylvania 5.2
- 473LincolnCalifornia 5.2
- 473Arvadalow-cost sensorsColorado 5.2
- 473Lakewoodlow-cost sensorsColorado 5.2
- 473Eagle PassTexas 5.2
- 473AshlandOregon 5.2
- 473West Valley CityUtah 5.2
- 473AnacortesWashington 5.2
- 493DoverDelaware 5.1
- 493JenksOklahoma 5.1
- 493CookevilleTennessee 5.1
- 493AshburnVirginia 5.1
- 493New HavenConnecticut 5.1
- 493JenisonMichigan 5.1
- 493West FargoNorth Dakota 5.1
- 493KeeneNew Hampshire 5.1
- 493TrentonNew Jersey 5.1
- 493HolbrookNew York 5.1
- 493PainesvilleOhio 5.1
- 493OdessaTexas 5.1
- 493MagnaUtah 5.1
- 506ArnoldMissouri 5.0
- 506BeltonTexas 5.0
- 506BayonneNew Jersey 5.0
- 506LimaOhio 5.0
- 506HermitagePennsylvania 5.0
- 506Apache JunctionArizona 5.0
- 512BearDelaware 4.9
- 512MasonOhio 4.9
- 512KingsportTennessee 4.9
- 512Port HuronMichigan 4.9
- 512GilroyCalifornia 4.9
- 512Simi ValleyCalifornia 4.9
- 512CorvallisOregon 4.9
- 512HighlandUtah 4.9
- 512BremertonWashington 4.9
- 512SheridanWyoming 4.9
- 512Oxon Hill-GlassmanorMaryland 4.9
- 523New OrleansLouisiana 4.8
- 523SpringfieldMissouri 4.8
- 523EdmondOklahoma 4.8
- 523CharlottesvilleVirginia 4.8
- 523EriePennsylvania 4.8
- 523DavisCalifornia 4.8
- 523Palo Altolow-cost sensorsCalifornia 4.8
- 523Santa RosaCalifornia 4.8
- 531Fort SmithArkansas 4.7
- 531WestonFlorida 4.7
- 531RoanokeVirginia 4.7
- 531WaterburyConnecticut 4.7
- 531ElizabethNew Jersey 4.7
- 531BuffaloNew York 4.7
- 531ProvidenceRhode Island 4.7
- 531AppletonWisconsin 4.7
- 531BanningCalifornia 4.7
- 531Thousand OaksCalifornia 4.7
- 531North OgdenUtah 4.7
- 531AberdeenWashington 4.7
- 543Ponca CityOklahoma 4.6
- 543UticaNew York 4.6
- 543AberdeenSouth Dakota 4.6
- 543SuperiorWisconsin 4.6
- 543GlendoraCalifornia 4.6
- 543Colorado SpringsColorado 4.6
- 543PuebloColorado 4.6
- 543HendersonNevada 4.6
- 543BountifulUtah 4.6
- 543PullmanWashington 4.6
- 543Makakilo / Kapolei / Honokai HaleHawaii 4.6
- 554GeorgetownTexas 4.5
- 554Des MoinesIowa 4.5
- 554BridgeportConnecticut 4.5
- 554San LeandroCalifornia 4.5
- 554TemeculaCalifornia 4.5
- 559DerbyKansas 4.4
- 559RockvilleMaryland 4.4
- 559New BrunswickNew Jersey 4.4
- 559White PlainsNew York 4.4
- 559Green BayWisconsin 4.4
- 559San FranciscoCalifornia 4.4
- 559Spanish ForkUtah 4.4
- 566LawtonOklahoma 4.3
- 566SpringfieldMassachusetts 4.3
- 568HagerstownMaryland 4.2
- 568HartfordConnecticut 4.2
- 568BostonMassachusetts 4.2
- 568BrocktonMassachusetts 4.2
- 568OmahaNebraska 4.2
- 568New CityNew York 4.2
- 568RochesterNew York 4.2
- 568PleasantonCalifornia 4.2
- 568LittletonColorado 4.2
- 577PleasantvilleNew Jersey 4.1
- 577San RafaelCalifornia 4.1
- 577Idaho FallsIdaho 4.1
- 577RandolphNew Jersey 4.1
- 581RaymoreMissouri 4.0
- 581Atlantic CityNew Jersey 4.0
- 581PittsfieldMassachusetts 4.0
- 581CoventryRhode Island 4.0
- 581FillmoreCalifornia 4.0
- 581BoulderColorado 4.0
- 581RoseburgOregon 4.0
- 588MuscatineIowa 3.9
- 588QuincyMassachusetts 3.9
- 588PortlandMaine 3.9
- 588Las CrucesNew Mexico 3.9
- 588Rock SpringsWyoming 3.9
- 593Lexingtonlow-cost sensorsMassachusetts 3.8
- 593PortsmouthNew Hampshire 3.8
- 593Redwood CityCalifornia 3.8
- 593Spring ValleyNevada 3.8
- 593Twin FallsIdaho 3.8
- 598New LondonConnecticut 3.7
- 598Fall RiverMassachusetts 3.7
- 598DuluthMinnesota 3.7
- 598HerrimanUtah 3.7
- 598TooeleUtah 3.7
- 598BellevueWashington 3.7
- 598HonoluluHawaii 3.7
- 598Tri-CitiesWashington 3.7
- 606LibertyMissouri 3.6
- 606LowellMassachusetts 3.6
- 606AugustaMaine 3.6
- 606LincolnNebraska 3.6
- 610WorcesterMassachusetts 3.5
- 610SyracuseNew York 3.5
- 610Dodge CityKansas 3.5
- 610Cedar CityUtah 3.5
- 610KahuluiHawaii 3.5
- 615HaverhillMassachusetts 3.4
- 615ConcordCalifornia 3.4
- 615LubbockTexas 3.4
- 615Summerlin SouthNevada 3.4
- 619LewistonMaine 3.3
- 619Sioux FallsSouth Dakota 3.3
- 619RidgecrestCalifornia 3.3
- 619Ken CarylColorado 3.3
- 619GilletteWyoming 3.3
- 624North ChicopeeMassachusetts 3.2
- 624KīheiHawaii 3.2
- 626EnterpriseNevada 3.1
- 627BangorMaine 3.0
- 627Green ValleyArizona 3.0
- 627ParadiseCalifornia 3.0
- 627MesquiteNevada 3.0
- 627HurricaneUtah 3.0
- 632DerryNew Hampshire 2.9
- 633CheyenneWyoming 2.6
- 633HiloHawaii 2.6
- 635Boulder CityNevada 2.4
- 635Oak HarborWashington 2.4
- 637MarquetteMichigan 2.2
- 637CasperWyoming 2.2
- 639LaramieWyoming 1.9
- 640Mount VernonWashington 1.8
- 641MarysvilleWashington 1.4
Good0–9.0
Moderate9.1–35.4
Sensitive groups35.5–55.4
Unhealthy55.5–125.4
Very unhealthy125.5–225.4
Hazardous225.5+
All cities in the world, November 2024 · United States now
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SmogRank, most polluted cities in United States, PM2.5, November 2024, smogrank.com/us/history/2024-11 (accessed 2 Oct 2026).
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