Site

State

PM AQI* (ug/m3)

Research Farm

SD

17

Watertown

SD

17

Credit Union

SD

14

Pierre

SD

14

Sioux Falls

SD

14

KNI-Topeka

KS

13

UC1

SD

11

WHlthDpt

KS

10

Rangely, CO

CO

9

LLCHD BAM

NE

8