Connexion
Below are the annual reports in PDF version concerning the monitoring of the ambient air quality in the Liège Airport activity zone (Liège Airport).
You can find the 2019 report here.
For 2018, it's here.
For 2017, it's here.
Let's get to the point...The ambient air quality index in Walloon cities
In detail...All pollutants measured by ambient air quality monitoring networks