Site

State

PM AQI* (ug/m3)

Unit153

MT

31

Missoula-5743 Fire Cache Way

MT

25

Birney

MT

11

Lewiston

ID

11

TRNP-NU

ND

10

Lancaster

ID

10

Sandpoint U of I

ID

10

Bozeman High School

MT

9

Fargo NW

ND

9

Libby Courthouse

MT

9