Site

State

PM AQI* (ug/m3)

Badlands

SD

10

Credit Union

SD

9

Rangely, CO

CO

8

2912 Coffey

NE

7

Rock Springs SLAMS

WY

6

Cedar Bluff

KS

6

PECK

KS

6

Lander SLAMS

WY

5

Adams-Birch

CO

5

Paonia

CO

5