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

Erie County, New York; Essex County, New York; and Franklin County, New York.  The Erie County Seat is Buffalo, New York; the Essex County Seat is Elizabethtown, New York; and the Franklin County Seat is Malone, New York.