Site

State

PM AQI* (ug/m3)

Grangeville

ID

27

Kamiah

ID

25

Rossiter Pump House

MT

12

Seeley Elementary School

MT

12

Butte Greely School

MT

11

French Town - Beckwith

MT

9

Libby Courthouse

MT

9

Cut Bank

MT

9

Plummer CDA Tribe

ID

8

Columbia Falls

MT

8