Site

State

PM AQI* (ug/m3)

Rangely, CO

CO

9

Lander SLAMS

WY

9

Heritage Park

KS

8

Cody SLAMS

WY

7

Credit Union

SD

6

Adams-Birch

CO

6

Globeville

CO

6

Grand Junction - Powell Bui...

CO

5

NCORE

NE

5

I25 Denver

CO

5