California Air Quality Map - San Francisco Chronicle

This map shows ratings for the Bay Area and California, updated every 10 minutes. KeyGoodModerateUnhealthyforsomeUnhealthyforallVeryunhealthyHazardousAdvertisementAirQualityFromSpaceBayAreaSatelliteTimelapse8-hourtimelapsefromCollegeofDuPageMeteorologyRecentAirQualityNewsAboutthisdataAirQualityMostmappedairqualitysensorsarefromPurpleAir,updatedevery10minutes.Wealsopublishdatafrom19Clarityairqualitysensors,concentratedintheTenderloinandSouthofMarketneighborhoodsinSanFranciscoandinstalledbyenvironmentaljusticenonprofitBrightlineDefense.Thesensorsdetectreal-timefine-particulatematter(PM2.5-particulatesthatarelessthan2.5micronsindiameter)concentrations.PM2.5isaprimaryconcernforpeople'shealthathighlevels.ThedescriptionsofthepollutantlevelsfollowtheguidancetheEPAprovidesusingitsAirQualityIndexratingforsurfacelevelPM2.5concentrations.Inthelegend,welabelGood(<12μg/m³),Moderate(<35.5μg/m³),Unhealthyforsome(<55.5μg/m³),Unhealthyforall(<150.5μg/m³)andVeryunhealthy(150.5μg/m³orgreater).SmokeForecastThesmokelayerisanexperimentalforecastfromNOAA'sHighResolutionRapidRefreshforecastproduct.Currentlydisplayedimageryisforecastaheadoftime.Whenthislayerandthesensorsdiffer,thesensorsshouldbetrusted,asthatinformationisdeliveredinrealtime.CreditsDesignandDevelopmentPaulaFriedrich •[email protected] •@pauliebeEvanWagstaff •[email protected] •@EvanWagstaffAbhinandaBhattacharyya •[email protected] •@abhinanda_b