Site	State	PM AQI* (ug/m3)
Maple Falls-Azure Way	WA	37
Pendleton - McKay Creek	OR	33
Yakima-4th Ave	WA	31
Omak-Colville Tribe	WA	31
Sunnyside-S 16th	WA	30
Toppenish-Yakama Tribe	WA	28
John Day Dayton St	OR	27
Hermiston - Municipal Airport	OR	25
Brewster Mobile	WA	23
La Pine Rural Fire Dept	OR	23