Return to South Dakota 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 Yankton County, South Dakota, and |
Ziebach County, South Dakota, give the percentage contributions from specific air pollution sources. The Yankton County Seat is Yankton, South Dakota, and the Ziebach County Seat is Dupree, South Dakota. |