Site

State

PM AQI* (ug/m3)

UC1

SD

20

WY/KC

KS

20

LLCHD BAM

NE

20

NCORE

NE

18

Grand Island DOT

NE

18

Heritage Park

KS

18

Chanute

KS

17

Sioux Falls

SD

17

KNI-Topeka

KS

14

Watertown

SD

13