Site

State

PM AQI* (ug/m3)

Weiser PM25

OR

7

Cave Camp - Timpanogos Cave

UT

6

Rexburg PM25

ID

6

Sparks

NV

6

Roosvelt

UT

6

Vernal #4

UT

5

Jerome Mack

NV

5

TRPA Office

NV

5

RT

NV

4

Sunrise Acres

NV

4