Site

State

PM AQI* (ug/m3)

Seeley Elementary School

MT

18

Libby Courthouse

MT

10

Grangeville

ID

10

Pinehurst

ID

10

Broadus

MT

9

Billlings Lockwood

MT

9

Hamilton PS 46

MT

9

French Town - Beckwith

MT

7

Sandpoint U of I

ID

6

Bozeman High School

MT

6