ການພະຍາກອນຄຸນນະພາບອາກາດ
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ຂໍ້ມູນຄຸນນະພາບອາກາດສະໜອງໃຫ້ໂດຍ: Atmo en Hauts-de-France - Pas-de-Calais (atmo-hdf.fr)
Note that the measurements for PM2.5 (fine particulate matter), O3 (ozone) and NO2 (nitrogen dioxide) are taken from the station: Bethune Stade, Nord-Pas-de-Calais and the measurement for SO2 (sulfur dioxide) are taken from the station: Salome, Nord-Pas-de-Calais