Site	State	PM AQI* (ug/m3)
Ponca City	OK	47
Laredo C313	TX	33
Mission C43	TX	30
Columbus-Moore Rd	GA	28
San Antonio Old Hwy90 C677	TX	25
Brownsville C80	TM	22
San Antonio Northwest C23	TX	22
Von Ormy Highway 16	TX	22
Calaveras Lake C59	TX	20
Columbus	GA	20