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Annual changes in concentrations of PM10, O3 and NO2 in the period 2001–2010
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Statistically significant trends (level of significance 0.1) are calculated by applying the Mann-Kendall test. The trend slopes are indicated with coloured dots when statistically significant. Red dots indicate increasing concentrations. The applied method is described in de Leeuw, 2012
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Annual mean NO2 concentration observed at (sub)urban background stations, EEA member countries, 1997-2008
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Only urban and sub-urban background monitoring stations have been included in the calculations. Data for Bosnia and Herzegovina, Iceland, Liechtenstein, Luxembourg, Malta, the former Yugoslav Republic of Macedonia, Serbia, and Turkey are not included due to the geographical coverage of the Urban Audit and/or lack of air quality data.
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Annual mean NO2 concentration observed at urban background stations, 1997-2009 (EU-27)
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The figuer shows the annual mean NO2 concentration observed at urban background stations. Only urban and sub-urban background monitoring stations have been included in the calculations. Data for Cyprus, Luxembourg and Malta, are not included due to the geographical coverage of the Urban Audit.
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Annual mean NO2 concentration observed at urban background stations, 2001-2010 (EU-27)
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Only urban and sub-urban background monitoring stations have been included in the calculations. Data for Cyprus and Malta are not included due to missing availability of operational urban and sub-urban background monitoring stations in the Urban Audit cities.
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Annual mean NO2 concentration observed at urban background stations, EEA member countries, 1997-2007
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Only urban and sub-urban background monitoring stations have been included in the calculations.
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Arsenic (As): annual mean concentrations in Europe
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The map shows the annual mean concentrations of Arsenic (As) in Europe for the air quality stations with at least 14% of valid measurements, in ng/m3 (source: EEA, AirBase v.7)
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Arsenic 2009. Annual target value for the protection of human health
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In the directive 2004/107/EC (Fourth Daughter Directive), the EU has set a target value for arsenic (As) for the protection of human health: the As annual mean value may not exceed 6 nanograms per cubic metre (ng/m3). The target value enters into force 31.12.2012.
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Attainment situation for BaP, 2010
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The graphs are based on the annual mean concentration values. They present the range of concentrations at all station types (in ng/m3) officially reported by the EU Member States and how the concentrations relate to the target value set by EU legislation (marked by the red line).
The diagram indicates the lowest and highest observations, the means and the lower and upper quartiles. The lower quartile splits the lowest 25 % of the data and the upper quartile splits the highest 25 % of the data.
Based on a minimum of 15 % data coverage.
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Attainment situation for C6H6, reference years 2010, 2005, 2001
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The graphs are based on the annual mean concentration values; they present the range of concentrations at all station types (in μg/m3) officially reported by the EU Member States and how the concentrations relate to the limit value set by EU legislation (marked by the red line).
The diagram indicates the lowest and highest observations, the means and the lower and upper quartiles. The lower quartile splits the lowest 25 % of the data and the upper quartile splits the highest 25 % of the data.
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Attainment situation for CO, reference years 2010, 2005, 2001
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The graphs are based on the 8-hourly mean concentration values; they present the range of concentrations at all station types (in mg/m3) officially reported by the EU Member States and how the concentrations relate to the limit value set by EU legislation (marked by the red line).
The diagram indicates the lowest and highest observations, the means and the lower and upper quartiles. The lower quartile splits the lowest 25 % of the data and the upper quartile splits the highest 25 % of the data.
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