Site

State

PM NowCast (ug/m3)

Rossiter Pump House

MT

13

Pinehurst

ID

10

Seeley Elementary School

MT

9

Butte Greely School

MT

8

Lewiston

ID

8

Great Falls Overlook Park

MT

7

Fargo NW

ND

7

Libby Courthouse

MT

6

St. Maries

ID

6

Columbia Falls

MT

6