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Figure Trend in NO2 and NOX annual mean concentrations (2001–2010) per station type (top); percentage frequency distribution of estimated annual change of NO2 annual mean concentrations at urban stations and at traffic stations (bottom)
All stations in EU Member States, with at least 75 % data coverage for at least eight years were included in the analysis. Concentrations per station type are given in μg/m3. In the top two diagrams a geographical bias exists towards central Europe where there is a higher density of stations. In the percentage frequency distribution graphs, closed bars denote stations showing a statistically significant trend, open bars denote stations with a non-significant trend. Statistically significant trends (level of significance 0.1) are calculated by applying the Mann-Kendall test. The applied method is described in de Leeuw, 2012.
Located in Data and maps Maps and graphs
Daviz Visualization Trend in NO2 annual mean per station type
Located in Data and maps Data visualisation
Figure C source code header Trend in PM10 (left graph, 2001–2010) and PM2.5 (right graph, 2005–2010) concentrations per station type
All stations in EU Member States, with at least 75 % data coverage for at least eight years (PM10) or six years (PM2.5), were included in the analysis. Concentrations per station type are given in μg/m3. In the diagrams a geographical bias exists towards central Europe where there is a higher density of stations.
Located in Data and maps Maps and graphs
Figure Trends in NO2 annual mean (top) and NO2 hourly concentrations (bottom) in μg/m3, 2002–2011, per station type
The graphs are based on annual mean concentration trends (top) and the trends in percentile 99.78 of NO2 hourly values (bottom); they present the range of concentration changes per year (in μg/m3) per station type (urban, traffic, rural, and other — mostly industrial). The trends are calculated based on the officially reported data by the EU Member States with a minimum data coverage of 75 % of valid data per year for at least 8 years out of the 10-year period. The diagram indicates the lowest and highest trends, the means and the lower and upper quartiles, per station type. The lower quartile splits the lowest 25 % of the data and the upper quartile splits the highest 25 % of the data.
Located in Data and maps Maps and graphs
Daviz Visualization Trends in O3 concentrations per station type
Located in Data and maps Data visualisation
Daviz Visualization D source code Trends in PM10 and PM2.5 annual concentrations per station type
Located in Data and maps Data visualisation
Publication Understanding pollutant emissions from Europe's cities
Highlights from the EU Air Implementation Pilot project: This brochure, produced by the EEA, summarises findings on local scale emission inventories from the EU Air Implementation Pilot project. It also highlights sources of information and guidance for those compiling city inventories.
Located in Publications
Data Octet Stream Up-to-date provisional air quality data in Europe (near real-time data)
Real-time data from around several thousand air quality measurement stations across Europe are transmitted to the EEA in Copenhagen on an hourly basis. Since the data must be as 'real-time' as possible, the data are displayed as soon as practical after the end of each hour.
Located in Data and maps Datasets
SOER Key fact (Deprecated) Urban - key fact 5
Air pollutants, including fine particles and ozone precursors, can travel thousands of kilometres across the continent by air. In many cities, only a part of local air pollution is generated by the city itself.
Located in The European environment — state and outlook 2015 Urban environment - SOER 2010 thematic assessment Key facts
SOER Message (Deprecated) Urban environment — key message 2
Despite substantial reductions in some urban air pollutants, data for the period 1997 to 2008 show that for any given year up to 40 to 60 % of urban citizens can be exposed to concentrations of either particulate matter or ozone above the EU limits. Environmental noise, mainly from transport, continues to affect large numbers of people. Urban wastewater collection and treatment improved markedly, but discharges of some harmful chemicals remain a concern.
Located in The European environment — state and outlook 2015 Urban environment - SOER 2010 thematic assessment Key messages
European Environment Agency (EEA)
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