Site

State

PM AQI* (ug/m3)

WY/KC

KS

17

KNI-Topeka

KS

12

2912 Coffey

NE

11

Heritage Park

KS

11

Yellow Brick Building

CO

10

Longmont

CO

10

LLCHD BAM

NE

9

NCORE

NE

9

Sioux Falls

SD

8

Research Farm

SD

8