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  2. It's in the air

Latest news

  • Wallonia
  • Pollution

The end of summer… Bye bye, ozone pollution

  • Subject: Wallonia, Pollution

Ozone (O3) is an ambient air pollutant and is therefore found in the troposphere (i.e. in the lower layers of our atmosphere). The tropospheric ozone, therefore, does not...

Details
Published: 09 July 2025
  • Network

Reference station under construction... City of Namur

  • Subject: Network

A reference station for the city of Namur... Soon, the establishment of a permanent reference station for measuring air quality in the city of Namur will take shape,...

Details
Published: 09 July 2025
  • Network

Reference station under construction... Hermalle-Sous-Argenteau, Trilogiport activities

  • Subject: Network

A measuring station located near the Liège Trilogiport... Since the last quarter of 2019, the construction site of a permanent real-time ambient air quality measurement...

Details
Published: 09 July 2025

Mobility week

Every year, Wallonia invites the general public to get involved from 16 to 22 September, during European Mobility Week. The aim? To demonstrate the advantages of...

Details
Published: 09 July 2025
  • Thematic study

Impact of COVID-19 lockdown

  • Subject: Thematic study

Following the COVID-19 pandemic, drastic measures have been taken to limit the spread of the virus. Stopping, slowing down or modifying a series of activities and, in...

Details
Published: 09 July 2025

Air Quality Unit projects

The ISSeP Air Quality Unit is active in the field of research. Below is the list of current projects… (for more information: consult the "Our projects" section and the...

Details
Published: 09 July 2025

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Who are we ?

« The Walloon Air and Climate Agency (AwAC) and the Air Quality Unit of the Scientific Institute of Public Service (ISSeP) manage the ambient air quality monitoring networks in Wallonia but are also active in the realization of innovative projects concerning this environmental theme...»

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