Site

State

PM NowCast (ug/m3)

Libby Courthouse

MT

14

St. Maries

ID

13

Sandpoint U of I

ID

10

Columbia Falls

MT

8

Seeley Elementary School

MT

8

Lostwood NWR

ND

7

Fargo NW

ND

7

Sidney 201

MT

6

Havre

MT

6

Rossiter Pump House

MT

5