ການພະຍາກອນຄຸນນະພາບອາກາດ
ຂໍ້ມູນຄຸນນະພາບອາກາດສະໜອງໃຫ້ໂດຍ: Tehran AQCC - (Air Quality Control Company) - سامانه کنترل کیفیت هوای تهران (air.tehran.ir)
Note that the measurements for PM2.5 (fine particulate matter), PM10 (respirable particulate matter), SO2 (sulfur dioxide), NO2 (nitrogen dioxide), O3 (ozone) and CO (carbon monoxide) are taken from the station: Aghdasyeh, Tehran, Iran