Site

State

PM AQI* (ug/m3)

Rangely, CO

CO

9

2912 Coffey

NE

8

NCORE

NE

8

Paonia

CO

7

UC1

SD

7

Watertown

SD

7

Greeley Hospital

CO

7

Rifle Particulate

CO

7

Denver - NJH - 14th Ave. & ...

CO

6

Chatfield Park - 11500 N. R...

CO

6