Site

State

NowCast

Vernal #4

UT

24

Sparks

NV

21

Herriman #3

UT

18

Salmon PM2.5

ID

16

Preston PM25 BAM

ID

16

Idaho City

ID

16

Copper View

UT

15

Reno3

NV

15

Smithfield

UT

15

Brigham City

UT

15