In 2023, the environmental administration organised a nationwide air quality measurement campaign in collaboration with 33 participating municipalities and Klima-Agence. More specifically, it is a national measurement campaign of NO2 by passive tubes in the context of the national air quality program and the "Klimapakt Loftqualitéit". The campaign aims to raise awareness and inform municipalities and their inhabitants about the air quality in their respective municipalities, motivate municipalities to contribute to improving their air quality, and demonstrate the efforts undertaken by municipalities for future communications.

Every year, the Environment Administration organises a nationwide ambient air quality measurement campaign in collaboration with the Klima-Agence and participating municipalities. More specifically, this involves a national campaign to measure NO2 using passive tubes as part of the national air quality programme and the "Klimapakt Loftqualitéit". The aim of the campaign is to raise awareness and inform local authorities and their residents about the air quality in their respective communities, to motivate local authorities to help improve their air quality, and to demonstrate the efforts made by local authorities with a view to future communications.

In 2022, the environmental administration organised a nationwide air quality measurement campaign in collaboration with 30 participating municipalities and Klima-Agence. More specifically, it is a national measurement campaign of NO2 by passive tubes in the context of the national air quality program and the "Klimapakt Loftqualitéit". The campaign aims to raise awareness and inform municipalities and their inhabitants about the air quality in their respective municipalities, motivate municipalities to contribute to improving their air quality, and demonstrate the efforts undertaken by municipalities for future communications.

In 2020, the environmental administration organised a nationwide air quality measurement campaign in collaboration with 25 participating municipalities and myenergy. More specifically, it is a national measurement campaign of NO2 by passive tubes in the context of the national air quality program and the "Klimapakt Loftqualitéit". The campaign aims to raise awareness and inform municipalities and their inhabitants about the air quality in their respective municipalities, motivate municipalities to contribute to improving their air quality, and demonstrate the efforts undertaken by municipalities for future communications.

In 2018, the environmental administration organised a nationwide air quality measurement campaign in collaboration with 36 participating municipalities and myenergy. More specifically, it is a national measurement campaign of NO2 by passive tubes in the context of the national air quality program and the "Klimapakt Loftqualitéit". The campaign aims to raise awareness and inform municipalities and their inhabitants about the air quality in their respective municipalities, motivate municipalities to contribute to improving their air quality, and demonstrate the efforts undertaken by municipalities for future communications.