Site

State

PM AQI* (ug/m3)

Brigham City

UT

13

St. Lukes Meridian

ID

11

Weiser PM25

OR

10

Idaho Falls / Penford

ID

9

Paul E-Sampler

ID

9

Ogden #2

UT

8

Spanish Springs

NV

8

Sparks

NV

8

Idaho City

ID

7

Shoshone Bannock Tribes

ID

7