Site

State

PM AQI* (ug/m3)

Grand Junction - Powell Bui...

CO

24

Watertown

SD

13

Aberdeen

SD

12

Rifle Particulate

CO

12

Rangely, CO

CO

10

2912 Coffey

NE

9

Paonia

CO

8

Denver - CAMP - 2105 Broadway

CO

7

Globeville

CO

7

SF-USD

SD

7