Site

State

AQI*

Lake George-Lake George RS ...

CO

12

Globeville

CO

11

KNI-Topeka

KS

10

Greeley Hospital

CO

9

Longmont

CO

9

Credit Union

SD

8

Grand Junction - Powell Bui...

CO

8

Ft. Collins - CSU Facilities

CO

8

Heritage Park

KS

7

2912 Coffey

NE

7