ការព្យាករណ៍គុណភាពខ្យល់
ទិន្នន័យគុណភាពខ្យល់ផ្តល់ដោយ៖ Atmo en Hauts-de-France - Pas-de-Calais (atmo-hdf.fr)
Note that the measurements for PM2.5 (fine particulate matter) and NO2 (nitrogen dioxide) are taken from the station: Lille Leeds, Nord-Pas-de-Calais and the measurements for O3 (ozone), SO2 (sulfur dioxide) and CO (carbon monoxide) are taken from the station: Lille Fives, Nord-Pas-de-Calais