Site

State

PM AQI* (ug/m3)

Copper View

UT

10

Paul E-Sampler

ID

9

BV

UT

9

Garden Valley

ID

9

Rose Park

UT

9

St. Lukes Meridian

ID

9

Erda

UT

9

Weiser PM25

OR

9

Spanish Springs

NV

8

Sparks

NV

8