Site	State	PM AQI* (ug/m3)
Maple Falls-Azure Way	WA	23
Sunnyside-S 16th	WA	17
Colville-E 1st St	WA	16
Estacada Clackamas River El...	OR	15
Hillsboro - Hare Field	OR	14
Burns - Washington St.	OR	14
Leavenworth-Evans St	WA	13
Yakima-4th Ave	WA	13
Grants Pass - Parkside School	OR	13
Hermiston - Municipal Airport	OR	13