Site

State

PM AQI* (ug/m3)

Seeley Elementary School

MT

15

Pinehurst

ID

13

Lewiston

ID

10

Fargo NW

ND

9

St. Maries

ID

9

Broadus

MT

9

Libby Courthouse

MT

9

Thompson Falls HS

MT

6

Lapwai

ID

6

Bismarck Residential

ND

5