ການພະຍາກອນຄຸນນະພາບອາກາດ
ຂໍ້ມູນຄຸນນະພາບອາກາດສະໜອງໃຫ້ໂດຍ: the Texas Commission on Environmental Quality (TCEQ) (tceq.texas.gov) and Air Now - US EPA (airnow.gov)
Note that the measurement for O3 (ozone) are taken from the station: Old Hwy 90, San Antonio, Texas