Site

State

PM AQI* (ug/m3)

Watertown

SD

19

Lake George-Lake George RS ...

CO

16

Globeville

CO

14

Ft. Collins - CSU Facilities

CO

13

Greeley Hospital

CO

12

KNI-Topeka

KS

12

Longmont

CO

11

Grand Junction - Powell Bui...

CO

11

Delta

CO

11

Adams

CO

10