Site	State	PM AQI* (ug/m3)
Maple Falls-Azure Way	WA	21
Houston North Wayside C405	TX	21
Corpus Christi Huisache C98	TX	19
Otay Mesa - Donovan	CA	19
Madisonville	LA	18
Calexico - Ethel Street	CA	18
Los Angeles - N. Main Street	CA	17
Yuma Supersite	AZ	17
Portola	CA	17
Springville	CA	16