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

Kearney County, Nebraska; Keith County, Nebraska; and Keya Paha County, Nebraska.  The Kearney County Seat is Minden, Nebraska; the Keith County Seat is Ogallala, Nebraska; and the Keya Paha County Seat is Springview, Nebraska.