Abstract: The Environmental Protection Agency (EPA) compiles data on emission tonnages of air pollutants for US counties.  US Air Quality Gradebook ("AirGrades") source sheets give the percentage contributions from specific air pollution sources.  This source sheet is for

Clarke County, Alabama; Clay County, Alabama; and Cleburne County, Alabama.  The Clarke County Seat is Grove Hill, Alabama; the Clay County Seat is Ashland, Alabama; and the Cleburne County Seat is Heflin, Alabama.