Site

State

PM AQI* (ug/m3)

Sioux Falls

SD

10

2912 Coffey

NE

9

WY/KC

KS

8

Rangely, CO

CO

7

UC1

SD

7

KNI-Topeka

KS

7

Globeville

CO

6

Chanute

KS

6

Watertown

SD

6

PECK

KS

6