Site

State

PM AQI* (ug/m3)

Paul E-Sampler

ID

9

Weiser PM25

OR

9

Sparks

NV

9

Spanish Fork

UT

8

Copper View

UT

8

Spanish Springs

NV

7

Rexburg PM25

ID

7

Toll

NV

7

St. Lukes Meridian

ID

7

Lindon

UT

7