Below are the annual reports (only in french) in PDF version concerning the monitoring of the ambient air quality in the Liège Airport activity zone (Liège Airport).

For 2025, it's here.

In 2025, ISSeP continued to carry out additional monitoring campaigns on behalf of Liège Airport as part of the implementation of the environmental permit. The report covering the period 2023–2025 is available here.

For 2024, it's here.

For the year 2023, two reports are available: one concerning the measuring station located on the airport site and one concerning the two new monitoring sites installed around the airport.

For 2022, it's here.

For 2021, it's here.

For 2020, it's here.

For 2019, it's here.

For 2018, it's here.

For 2017, it's here.