Site

State

PM AQI* (ug/m3)

Paul E-Sampler

ID

10

Weiser PM25

OR

9

Garden Valley

ID

8

Idaho Falls / Penford

ID

8

Rexburg PM25

ID

7

Shoshone Bannock Tribes

ID

7

St. Lukes Meridian

ID

7

Garden City

ID

6

Vernal #4

UT

6

Spanish Springs

NV

6