Site

State

PM AQI* (ug/m3)

Libby Courthouse

MT

24

Kamiah

ID

20

Seeley Elementary School

MT

14

Pinehurst

ID

13

Thompson Falls HS

MT

13

St. Maries

ID

13

Lewiston

ID

11

Sandpoint U of I

ID

10

Butte Greely School

MT

10

French Town - Beckwith

MT

9