Data Kualitas Udara disediakan oleh: Atmo en Hauts-de-France - Pas-de-Calais (atmo-hdf.fr)
Perhatikan bahwa pengukuran PM 2.5 (partikel halus) diambil dari stasiun: Douai Theuriet, Nord-Pas-de-Calais and the measurements for PM10 (respirable particulate matter), O3 (ozone), NO2 (nitrogen dioxide) and SO2 (sulfur dioxide) are taken from the station: Denain, Nord-Pas-de-Calais