Site

State

PM AQI* (ug/m3)

Oroville-2081 Washington Ave

CA

741

North Fork-Bass Lake RS Sto...

CA

725

Mobile-White Salmon

WA

673

Gasquet-10020 US-199

CA

664

Madras - Westside School

OR

628

Quincy BAM

CA

609

Cle Elum

WA

583

Eugene - Wilkes Dr.

OR

567

Silverton

OR

536

Bend - Pump Station

OR

510