Site	State	PM AQI* (ug/m3)
Corpus Christi Dona Park C635	TX	22
Near Road OKC	OK	21
Karnack C85	TX	19
Laredo C313	TX	18
Mission C43	TX	18
Shreveport Airport	LA	18
Corpus Christi - National S...	TX	18
Houston North Loop C1052	TX	17
San Antonio Old Hwy90 C677	TX	17
Lafayette	LA	17