Site	State	PM AQI* (ug/m3)
Hidden Valley	AZ	40
Columbia Falls	MT	35
Portola	CA	34
St. Maries	ID	31
Spokane-Augusta Ave	WA	31
Sandpoint U of I	ID	30
Nursery Rd.	ID	29
Newport-Calispel	WA	29
Colbert-Greenbluff	WA	29
Spokane-E Broadway Ave	WA	28