Site

State

PM AQI* (ug/m3)

Watertown

SD

16

WY/KC

KS

16

KNI-Topeka

KS

14

Heritage Park

KS

14

Research Farm

SD

14

NCORE

NE

12

SF-USD

SD

12

Denver - CAMP - 2105 Broadway

CO

12

2912 Coffey

NE

12

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

CO

11