Site

State

PM AQI* (ug/m3)

Seeley Elementary School

MT

26

Broadus

MT

14

Libby Courthouse

MT

13

Pinehurst

ID

9

St. Maries

ID

9

Sandpoint U of I

ID

9

Bismarck Residential

ND

9

Billlings Lockwood

MT

9

Fargo NW

ND

9

Dillon

MT

9