Site

State

PM AQI* (ug/m3)

Salmon PM2.5

ID

12

Roosvelt

UT

11

Idaho Falls / Penford

ID

9

Brigham City

UT

8

Vernal #4

UT

8

Idaho City

ID

7

Jerome Mack

NV

7

Rose Park

UT

6

Ogden #2

UT

6

BV

UT

6