Site

State

AQI*

KNI-Topeka

KS

11

2912 Coffey

NE

11

Lake George-Lake George RS ...

CO

10

Longmont

CO

10

Grand Junction - Powell Bui...

CO

9

Delta

CO

9

Boulder - CU - 2102 Athens St.

CO

9

Watertown

SD

8

NCORE

NE

8

Globeville

CO

8