Site

State

PM AQI* (ug/m3)

WY/KC

KS

11

Pierre

SD

10

Globeville

CO

8

Heritage Park

KS

8

Longmont

CO

6

Adams

CO

6

Rangely, CO

CO

6

2912 Coffey

NE

6

Sioux Falls

SD

6

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

CO

6