Site

State

NowCast

Smithfield

UT

21

Brigham City

UT

16

Erda

UT

16

Vernal #4

UT

13

Paul Meyer

NV

12

Salmon PM2.5

ID

12

RT

NV

11

Jerome Mack

NV

10

Sunrise Acres

NV

10

Roosvelt

UT

10