Прогноз якості повітря

Дані про якість повітря надано: Atmo en Hauts-de-France - Pas-de-Calais (atmo-hdf.fr)
Note that the measurements for PM2.5 (fine particulate matter), O3 (ozone), NO2 (nitrogen dioxide) and SO2 (sulfur dioxide) are taken from the station: mer-cheminot, St Pol, Nord-Pas-de-Calais and the measurement for CO (carbon monoxide) are taken from the station: Grande-synthe, Nord-Pas-de-Calais