Site

State

PM AQI* (ug/m3)

Boulder - CU - 2102 Athens St.

CO

26

Watertown

SD

11

PECK

KS

9

Heritage Park

KS

9

Credit Union

SD

9

Cedar Bluff

KS

9

Chanute

KS

8

UC1

SD

8

KNI-Topeka

KS

7

Sioux Falls

SD

7