Site

State

PM AQI* (ug/m3)

NCORE

NE

11

2912 Coffey

NE

11

Greeley Hospital

CO

10

Rangely, CO

CO

10

Credit Union

SD

9

KNI-Topeka

KS

9

Cedar Bluff

KS

9

UC1

SD

9

Sioux Falls

SD

8

Heritage Park

KS

8