ການພະຍາກອນຄຸນນະພາບອາກາດ
ຂໍ້ມູນຄຸນນະພາບອາກາດສະໜອງໃຫ້ໂດຍ: the Hamburger air monitoring network - (Hamburger Luftmessnetz – FHH) (luft.hamburg.de)
Note that the measurements for O3 (ozone) and CO (carbon monoxide) are taken from the station: Altona-Elbhang, Hamburg