Site	State	PM AQI* (ug/m3)
Hillsboro - Hare Field	OR	28
Sunnyside-S 16th	WA	20
Yakima-4th Ave	WA	18
Grants Pass - Parkside School	OR	18
Madras - Westside School	OR	18
John Day Dayton St	OR	17
The Dalles - Cherry Heights	OR	17
Burns - Washington St.	OR	15
Pendleton - McKay Creek	OR	14
White Swan-Yakama Tribe	WA	13