Site

State

PM AQI* (ug/m3)

WY/KC

KS

12

KNI-Topeka

KS

11

Chanute

KS

10

Rangely, CO

CO

9

Heritage Park

KS

9

NCORE

NE

7

PECK

KS

7

Research Farm

SD

7

SF-USD

SD

6

UC1

SD

6