Site	State	PM NowCast (ug/m3)
Shady Cove - Shady Cove School	OR	25
Yakima-4th Ave	WA	22
Hermiston - Municipal Airport	OR	20
Omak-Colville Tribe	WA	20
Sunnyside-S 16th	WA	18
Maple Falls-Azure Way	WA	15
Colville-E 1st St	WA	15
Ontario May Roberts Element...	OR	14
Colbert-Greenbluff	WA	13
Walla Walla-12th St	WA	12