Site

State

PM AQI* (ug/m3)

Lake George-Lake George RS ...

CO

25

Aberdeen

SD

15

Watertown

SD

12

Rangely, CO

CO

11

Adams

CO

11

Grand Junction - Powell Bui...

CO

10

Globeville

CO

10

Boulder - CU - 2102 Athens St.

CO

10

Research Farm

SD

8

WY/KC

KS

8