Chisago County, Minnesota, Air Pollution Sources B

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Abstract: The Environmental Protection Agency (EPA) compiles data on emission tonnages of air pollutants for US counties.  US Air Quality Gradebook ("AirGrades") source sheets such as this one for Chisago County, Minnesota, and

Clay County, Minnesota, give the percentage contributions from specific air pollution sources.  The Chisago County Seat is Center City, Minnesota, and the Clay County Seat is Moorhead, Minnesota.