Site

State

PM NowCast (ug/m3)

Lewiston

ID

38

St. Maries

ID

29

Libby Courthouse

MT

13

Butte Greely School

MT

11

Pinehurst

ID

10

Billlings Lockwood

MT

9

Grangeville

ID

9

NCORE

MT

9

Seeley Elementary School

MT

8

Havre

MT

7