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Report

CAMS Assessment Report on European Air Quality 2025

Hamer, Paul David; Soares, Joana; Tarrasón, Leonor; Colette, Augustin; Rouil, Laurence (eds.) Kuenen, Jeroen; Ung, Anthony; Salles-Loustau, Jean; Mortier, Augustin

Publication details

Publisher: Copernicus Atmosphere Monitoring Service

Year: 2026

Doi: doi.org/10.24380/QJL6-KW4G
Arkiv: hdl.handle.net/11250/5534222
Archive: nva.sikt.no/registration/019f2279b026-33e40acc-fd8d-4d3d-8618-afdba25e5aae

Summary:
The full report provides reference information on air quality in Europe in 2025. The purpose of the report is to present a consistent and accurate estimate of European air quality focusing on key indicators and on the origin of selected pollution episodes. It is intended to support air quality experts in their reporting under air quality legislation by providing an overview over the status of European transboundary air pollution. It contains updated information on key indicators for background air quality for the main regulatory pollutants: ozone (O3), nitrogen dioxide (NO2), particulate matter of 10 micrometres or less in diameter (PM10) and particulate matter of 2.5 micrometres or less in diameter (PM2.5).