Trends in NO2 annual mean (top) and NO2 hourly concentrations (bottom) in μg/m3, 2002–2011, per station type

Figure Created 02 Oct 2013 Published 05 Nov 2013 Last modified 05 Nov 2013
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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.

European data

Microsoft Excel (Office 2010)
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Figure4-3AirQualityReport2013.xlsx

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μg/m3

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AirBase - The European air quality database AirBase is the European air quality database maintained by the EEA through its European topic centre on Air pollution and Climate Change mitigation. It contains air quality monitoring data and information submitted by participating countries throughout Europe. The air quality database consists of a multi-annual time series of air quality measurement data and statistics for a number of air pollutants. It also contains meta-information on those monitoring networks involved, their stations and their measurements. The database covers geographically all EU Member States, the EEA member countries and some EEA collaborating countries. The EU Member States are bound under Decision 97/101/EC to engage in a reciprocal exchange of information (EoI) on ambient air quality. The EEA engages with its member and collaborating countries to collect the information foreseen by the EoI Decision because air pollution is a pan European issue and the EEA is the European body which produces assessments of air quality, covering the whole geographical area of Europe.

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