Site

State

PM AQI* (ug/m3)

Seeley Elementary School

MT

24

Libby Courthouse

MT

17

Fargo NW

ND

15

Sandpoint U of I

ID

13

Williston

ND

12

Kamiah

ID

11

Bismarck Residential

ND

10

Lostwood NWR

ND

10

St. Maries

ID

8

Kamiah-ID

ID

8