Return to Alaska 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 |
Prince of Wales-Outer Ketchikan Census Area, Alaska, give the percentage contributions from specific air pollution sources. Thorne Bay, Alaska, is in the Prince of Wales-Outer Ketchikan Census Area. |