Site	State	PM AQI* (ug/m3)
San Antonio Old Hwy90 C677	TX	25
Texarkana New Boston	TX	24
Mission C43	TX	22
Laredo C313	TX	22
Shreveport Airport	LA	20
Corpus Christi - National S...	TX	20
San Antonio Northwest C23	TX	19
Karnack C85	TX	19
Von Ormy Highway 16	TX	18
Brownsville C80	TM	18