Site

State

PM AQI* (ug/m3)

Cody SLAMS

WY

9

Rangely, CO

CO

9

Sheridan PD

WY

7

Watertown

SD

7

Lander SLAMS

WY

7

WY/KC

KS

6

KNI-Topeka

KS

6

Gillette SLAMS

WY

6

Homestead NHP

NE

5

Credit Union

SD

5