Site

State

PM AQI* (ug/m3)

Seeley Elementary School

MT

30

Libby Courthouse

MT

21

Pinehurst

ID

15

French Town - Beckwith

MT

13

Fargo NW

ND

12

Thompson Falls HS

MT

10

Rossiter Pump House

MT

10

Sandpoint U of I

ID

10

Miles City

MT

9

Lostwood NWR

ND

9