Site

State

PM AQI* (ug/m3)

Erda

UT

16

Idaho Falls / Penford

ID

11

Paul E-Sampler

ID

8

Weiser PM25

OR

8

Idaho City

ID

8

Rose Park

UT

7

Smithfield

UT

7

Garden Valley

ID

7

MA

UT

7

BV

UT

6