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

Osborne County, Kansas; Ottawa County, Kansas; and Pawnee County, Kansas.  The Osborne County Seat is Osborne, Kansas; the Ottawa County Seat is Minneapolis, Kansas; and the Pawnee County Seat is Larned, Kansas.