Maricopa County, Arizona, Air Pollution Sources A

Return to Arizona Air Pollution Sources Homepage

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

Maricopa County, Arizona, give the percentage contributions from specific air pollution sources.  The Maricopa County Seat is Phoenix, Arizona.