Site

State

PM AQI* (ug/m3)

Estes Park-Chiefs Head Rd

CO

27

Greeley Hospital

CO

16

Longmont

CO

13

Scottsbluff HS

NE

13

Laramie Mobile BAM

WY

13

Heritage Park

KS

12

Chanute

KS

11

WY/KC

KS

11

Grand Island DOT

NE

10

Globeville

CO

10