Site

State

PM AQI* (ug/m3)

2912 Coffey

NE

18

KNI-Topeka

KS

16

NCORE

NE

13

Credit Union

SD

13

LLCHD BAM

NE

12

Badlands

SD

11

Greeley Hospital

CO

10

Watertown

SD

10

UC1

SD

9

Research Farm

SD

9