Site

State

PM AQI* (ug/m3)

Lake George-Lake George RS ...

CO

15

Aberdeen

SD

13

WY/KC

KS

12

Watertown

SD

9

Sioux Falls

SD

9

Research Farm

SD

8

Rangely, CO

CO

8

Globeville

CO

8

Adams

CO

8

Greeley Hospital

CO

7