Site

State

PM AQI* (ug/m3)

Watertown

SD

22

Aberdeen

SD

17

Grand Island DOT

NE

16

Badlands

SD

15

PECK

KS

15

Homestead NHP

NE

15

Pierre

SD

14

Chanute

KS

14

WY/KC

KS

14

WHlthDpt

KS

14