Site	State	PM AQI* (ug/m3)
Laredo C313	TX	36
Mission C43	TX	34
Brownsville C80	TM	30
Eagle Pass C319	TX	25
San Antonio Old Hwy90 C677	TX	19
Isla Blanca C323/C667	TX	19
Copan	OK	18
Mesa 2 /Nipomo	CA	17
Austin Webberville Road C171	TX	17
Corpus Christi - National S...	TX	17