Site

State

PM AQI* (ug/m3)

Jerome Mack

NV

10

Idaho Falls / Penford

ID

9

Spanish Fork

UT

9

Paul E-Sampler

ID

8

Weiser PM25

OR

8

Garden Valley

ID

8

St. Lukes Meridian

ID

7

Vernal #4

UT

7

Hurricane

UT

7

Copper View

UT

7