Site

State

PM AQI* (ug/m3)

Pinehurst

ID

9

Seeley Elementary School

MT

8

Thompson Falls HS

MT

8

Fargo NW

ND

7

Orofino-45423 US-12

ID

7

Bismarck Residential

ND

6

Kamiah

ID

6

Cottonwood E-sampler

ID

6

St. Maries

ID

6

Lostwood NWR

ND

5