Site

State

PM AQI* (ug/m3)

Salmon PM2.5

ID

27

Smithfield

UT

18

Preston PM25 BAM

ID

17

Jerome Mack

NV

15

Sunrise Acres

NV

13

Lindon

UT

13

Idaho City

ID

13

Rose Park

UT

12

Roosvelt

UT

12

Vernal #4

UT

11