Site

State

PM AQI* (ug/m3)

WY/KC

KS

11

Heritage Park

KS

11

SF-USD

SD

10

KNI-Topeka

KS

10

PECK

KS

10

Paonia

CO

9

Badlands

SD

9

Rangely, CO

CO

9

Chanute

KS

8

Watertown

SD

8