Executive summary -- Introduction -- Air pollution as a prominent environmental issue in Europe -- Recent trends in economic sectors relevant to air pollution in Europe -- Main air pollution issues in Europe -- Air quality limit values and targets -- Selected indicators of air pollution -- Data sources, spatial coverage, representativeness, data quality and background information -- Goals, target audience and contents of this report -- Air quality in Europe -- Air quality relevant to human health -- Air quality and deposition as relevant to ecosystems -- Air quality as relevant to materials -- Impacts of air pollution -- Impact on human health -- Impact on ecosystems -- Impacts on materials -- Economic sectors and sources of air pollution -- Contributions to emissions from economic sectors, an overview -- Emissions of compounds relevant for health -- Emissions of compounds relevant for ecosystems -- Effects of policy responses -- References -- Acronyms and abbreviations -- Appendices. Concentrates on the local and regional ambient air pollution issues in urban and rural areas of Europe. Global air pollution issues are not addressed. Goal of the report is twofold: to inform a broad audience (general public as well as experts) on air quality at the European level, and to provide feedback information to those managing air quality in Europe. Addresses impact of air quality on human health, ecosystems, and materials.