Site	State	PM AQI* (ug/m3)
Sunnyside-S 16th	WA	17
Maple Falls-Azure Way	WA	14
Hermiston - Municipal Airport	OR	13
Ontario May Roberts Element...	OR	13
Forest Grove Pacific Univer...	OR	12
Port Angeles-E 5th St	WA	12
Hood River West Side FD	OR	11
Omak-Colville Tribe	WA	11
Yakima-4th Ave	WA	10
Custer-Loomis (SO-AQS)	WA	10