18 mini low-cost sensors system, developed by the Haute École de la Province de Liège (HEPL) and ISSeP, are going to be installed in the town of Marche-en-Famenne.

These stations, fixed to public lighting poles at a height of between 3 and 4 m, along the boulevard, the bypass and near schools, will make it possible to measure the main ambient air pollutants even more locally, namely:

• Fine particles (PM_2.5);
• Nitrogen monoxide (NO);
• Nitrogen dioxide (NO₂);
• Ozone (O₃)

4 of these 18 low-cost sensors system are also equipped with an additional sensor measuring CO₂.

This deployment is the first of its kind in Wallonia and other mini-stations will be installed during the month of July...