Site

State

PM AQI* (ug/m3)

Howard

CO

16

Adams

CO

12

Globeville

CO

10

I25 Denver

CO

9

Laramie County Mobile

WY

8

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

CO

8

2912 Coffey

NE

8

WIND CAVE

SD

8

Rangely, CO

CO

7

Watertown

SD

7