Site

State

PM AQI* (ug/m3)

Greeley Hospital

CO

24

Watertown

SD

18

Longmont

CO

16

Sioux Falls

SD

16

Adams

CO

14

Research Farm

SD

14

WY/KC

KS

14

Globeville

CO

13

KNI-Topeka

KS

11

Ft. Collins - CSU Facilities

CO

10