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

Steele County, Minnesota; Stevens County, Minnesota; and Swift County, Minnesota.  The Steele County Seat is Owatonna, Minnesota; the Stevens County Seat is Morris, Minnesota; and the Swift County Seat is Benson, Minnesota.