• Area: Wallonia
  • Pollutant: PM10 (Particulate matter), PM2.5 (Particulate matter), O3 (Ozone), NO2 (Nitrogen dioxide), SO2 (Sulphur dioxide), CO (Carbon monoxide), BC (Black carbon)
  • Year: 2017, 2018, 2019, 2020, 2021, 2022, 2023
  • Subject: Annual review

Below, the  annual activity report of the Air Quality monitoring networks in Wallonia in PDF version (only available in French):