Site	State	PM AQI* (ug/m3)
Ponca City	OK	18
Laredo C313	TX	17
SPRNGDLE	AR	17
Von Ormy Highway 16	TX	17
San Antonio Old Hwy90 C677	TX	16
Houston North Loop C1052	TX	16
Clinton C403	TX	15
Westlake	LA	15
Near Road OKC	OK	15
Greenville-ESC	SC	15