Site

State

PM AQI* (ug/m3)

St. Lukes Meridian

ID

10

Garden Valley

ID

9

Sparks

NV

9

Smithfield

UT

9

BV

UT

9

Spanish Springs

NV

9

Idaho City

ID

9

Paul E-Sampler

ID

9

Reno3

NV

8

Weiser PM25

OR

8