Site	State	PM AQI* (ug/m3)
Ponca City	OK	19
Laredo C313	TX	17
Thibodaux	LA	17
Westlake	LA	15
Mission C43	TX	15
Texarkana New Boston	TX	15
Clinton C403	TX	14
Houston North Loop C1052	TX	14
San Antonio Old Hwy90 C677	TX	14
Near Road OKC	OK	14