Site

State

PM AQI* (ug/m3)

PECK

KS

13

Scottsbluff HS

NE

12

Chanute

KS

11

Rangely, CO

CO

10

Grand Island DOT

NE

9

Watertown

SD

9

Globeville

CO

8

Longmont

CO

8

LLCHD BAM

NE

8

Cedar Bluff

KS

8