Site

State

PM NowCast (ug/m3)

Winthrop-Chewuch Rd

WA

357

Twisp-Ewell St

WA

231

Herlong-Arlington Rd

CA

218

Wellpinit-Spokane Tribe

WA

150

Susanville-520 South St

CA

149

Orofino-45419 US-12

ID

119

Lolo-11395 US Highway 93 S

MT

87

Salmon PM2.5

ID

85

Oroville-1117 Main St

WA

76

Doyle

CA

73