Site

State

PM AQI* (ug/m3)

WY/KC

KS

10

Heritage Park

KS

9

Chanute

KS

9

KNI-Topeka

KS

8

2912 Coffey

NE

7

Rangely, CO

CO

7

NCORE

NE

6

Lander SLAMS

WY

5

Adams-Birch

CO

5

Cheyenne NCore

WY

5