ការព្យាករណ៍គុណភាពខ្យល់
ទិន្នន័យគុណភាពខ្យល់ផ្តល់ដោយ៖ Atmo en Hauts-de-France - Pas-de-Calais (atmo-hdf.fr)
Note that the measurement for PM10 (respirable particulate matter) are taken from the station: Lens Varsovie, Nord-Pas-de-Calais and the measurement for SO2 (sulfur dioxide) are taken from the station: Salome, Nord-Pas-de-Calais