Site

State

PM AQI* (ug/m3)

Rangely, CO

CO

10

Badlands

SD

8

SF-USD

SD

7

Credit Union

SD

7

Riverton Mobile

WY

6

WY/KC

KS

6

KNI-Topeka

KS

6

Watertown

SD

6

WHlthDpt

KS

5

Cheyenne NCore

WY

5