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

Shawnee County, Kansas; Sheridan County, Kansas; and Sherman County, Kansas.  The Shawnee County Seat is Topeka, Kansas; the Sheridan County Seat is Hoxie, Kansas; and the Sherman County Seat is Goodland, Kansas.