Site

State

PM AQI* (ug/m3)

Credit Union

SD

10

Heritage Park

KS

9

Lander SLAMS

WY

8

Rangely, CO

CO

7

WY/KC

KS

7

Adams-Birch

CO

6

Globeville

CO

6

Laramie I-80 Mobile

WY

5

KNI-Topeka

KS

5

Yellow Brick Building

CO

5