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

Power County, Idaho; Shoshone County, Idaho; and Teton County, Idaho.  The Power County Seat is American Falls, Idaho; the Shoshone County Seat is Wallace, Idaho; and the Teton County Seat is Driggs, Idaho.