EPA AQS · PM2.5 by metro

Air Quality by City

Annual average PM2.5 across the largest U.S. metros. West Coast and industrial-valley metros often run highest; breezy coastal and northern metros the cleanest.

Air Quality by City — PublicChartsAnnual fine-particle (PM2.5) air pollution across major U.S. metro areas. Source: EPA AQS.Air Quality by CityAnnual average PM2.5 across the largest U.S. metros. West Coast and industrial-valley metros often run highest; breezy coastal and northern metros the cleanest.