Express version
Let's get to the point...
The ambient air quality index in Walloon cities
Fact file Ozone is a very reactive and unstable compound, composed of three oxygen atoms (the oxygen molecule only has two) and with a characteristic odour. It is...
Fact file Nitrogen oxides (NOx) are made up of a mixture of nitric oxide (NO) and nitrogen dioxide (NO2). They are produced during combustion phenomena by the...
Fact file Carbon monoxide (CO) is a colourless, odourless gas. It is produced during the incomplete combustion of materials containing carbon, an intermediate stage...
Fact file Sulphur dioxide (SO2) is a colourless gas that is very soluble in water and has an acidic character. With a pungent odour, it is irritating to the...
Fact file Black carbon (“black carbon” in English, sometimes also called soot carbon) is the carbon part of fine particles resulting from incomplete combustion. It is...
Air Quality monitoring networks in Wallonia - Annual reports
Below, the annual activity report of the Air Quality monitoring networks in Wallonia in PDF...
Report on Air Quality in the area of Liège Airport
Below are the annual reports (only in french) in PDF version concerning the monitoring of the...
Report on Air Quality in the area of Charleroi Airport
Below are the annual and/or half-year reports (only available in french) in PDF version concerning the...
Report on Air Quality in the municipality of Rixensart
Since 23 February 2022, an ambient air quality measurement station has been installed in the...




