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

Montrose County, Colorado; Morgan County, Colorado; and Otero County, Colorado.  The Montrose County Seat is Montrose, Colorado; the Morgan County Seat is Fort Morgan, Colorado; and the Otero County Seat is La Junta, Colorado.