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

Dade County, Missouri; Dallas County, Missouri; and Daviess County, Missouri.  The Dade County Seat is Greenfield, Missouri; the Dallas County Seat is Buffalo, Missouri; and the Daviess County Seat is Gallatin, Missouri.