Site

State

PM AQI* (ug/m3)

Doyle

CA

353

Herlong-Arlington Rd

CA

307

Susanville-520 South St

CA

262

Quincy BAM

CA

184

Winthrop-17958 State Route 20

WA

180

Winthrop-Chewuch Rd

WA

176

Chilcoot-Renfro Ln

CA

137

Spanish Springs

NV

133

Portola

CA

99

Toll

NV

94