Site

State

PM AQI* (ug/m3)

Yellow Brick Building

CO

32

Paonia

CO

31

Watertown

SD

28

SF-USD

SD

26

Rifle Particulate

CO

24

Rangely, CO

CO

22

Research Farm

SD

22

Rock Springs SLAMS

WY

22

Longmont

CO

21

Pinedale Gaseous

WY

21