Site

State

PM AQI* (ug/m3)

WY/KC

KS

10

Grand Junction - Powell Bui...

CO

9

LLCHD BAM

NE

7

WHlthDpt

KS

6

Watertown

SD

6

KNI-Topeka

KS

6

Rangely, CO

CO

6

Heritage Park

KS

6

2912 Coffey

NE

5

Sioux Falls

SD

5