Site	State	PM AQI* (ug/m3)
Portola	CA	34
Waterloo, Water Tower	IA	27
Iowa City, Hoover School	IA	25
Brainerd	MN	24
Salmon PM2.5	ID	23
HERNANDO	MS	23
Horicon Wildlife Area	WI	23
Red Lake Nation	MN	23
Blaine	MN	22
St. Cloud	MN	22