Long term air quality trends in Europe: Contribution of meteorological variability, natural factors and emissions
This report follows up on earlier ETC work on observed air pollution trends in Europe. It builds upon the Eurodelta-Trends modelling exercise (EMEP/TFMM) to attribute air quality evolution in Europe to anthropogenic emission trends, meteorological variability, and intercontinental air pollution.Modelled ozone and particulate matter (PM) trends are compared to observations. Average maps of the evolution between 1990 and 2010 are presented. The attribution analysis demonstrates that emission reductions are the primary driver of both ozone and PM changes. Boundary conditions are mainly important for ozone trends. Depending on the region and pollutant, it can sometimes have a smaller impact than interannual meteorological variability.
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Colette, A., Solberg, S., Beauchamp, M., Bessagnet, B., Malherbe, L., Guerreiro, C., Andersson, A., Cuvelier, C., Manders, A., Mar, K. A., Mircea, M., Pay, M., Raffort, V., Tsyro, S., Adani, M., Bergström, R., Bessagnet, B., Briganti, G., Cappelletti, A., Couvidat, F., D'Isidoro, M., Fagerli, H., Ojha, N., Otero Felipe, N., & Wind, P.(2017). Long term air quality trends in Europe: Contribution of meteorological variability, natural factors and emissions. Bilthoven: The European Topic Centre on Air Pollution and Climate Change Mitigation (ETC/ACM).