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

Clinton County, Kentucky; Crittenden County, Kentucky; and Cumberland County, Kentucky.  The Clinton County Seat is Albany, Kentucky; the Crittenden County Seat is Marion, Kentucky; and the Cumberland County Seat is Burkesville, Kentucky.