Site

State

AQI*

Columbia Falls

MT

29

Libby Courthouse

MT

23

Lewiston

ID

22

Rossiter Pump House

MT

20

Pinehurst

ID

18

French Town - Beckwith

MT

17

Missoula Boyd Park

MT

17

Seeley Elementary School

MT

16

Hamilton PS 46

MT

15

Kamiah-ID

ID

11