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Figure Trend in annual mean of daily max 8 h-mean O3 concentrations (left) and trend in 93.2 percentile of daily 8 max h-mean O3 concentrations (right) (in μg/m3) for 2001–2010 per station type
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 diagrams a geographical bias exists towards central Europe where there is a higher density of stations. The 93.2 percentile of daily max 8-h mean values is directly related to the target value for O3, as 25 days per year are allowed to have exceedances of the target value threshold of 120 μg/m3.
Located in Data and maps Maps and graphs
Daviz Visualization Trends in O3 concentrations per station type
Located in Data and maps Data visualisations
Figure Twenty-sixth highest ozone 2010, based on daily running 8h max with percentage of valid measurements 75 % in μg/m3
The map shows the proximity of measured O3 concentrations to the target value set in the European Union's Air Quality Directive. At sites marked with dark orange and red dots, the daily maximum 8-hour mean O3 concentration exceeds the 120 μg/m3 threshold on more than 25 days per year (the policy target is set at max. 25 days of exceedance per year, averaged over 3 years).
Located in Data and maps Maps and graphs
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 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
Figure Urban population exposure: geographical variations
% of population exposed, year 2002 Blank histograms means no exposure
Located in Data and maps Maps and graphs
Figure Zone exceedances of the limit value O3 health, 2005
Zone exceedances of the health target value Ozone, 2005, reported under Annual report (questionnaire) on air quality assessment and management (2004/461/EC).
Located in Data and maps Maps and graphs
European Environment Agency (EEA)
Kongens Nytorv 6
1050 Copenhagen K
Phone: +45 3336 7100