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Attainment situation for NO2, reference years 2010, 2005, 2001

Figure Created 26 Sep 2012 Published 26 Sep 2012 Last modified 29 Nov 2012, 11:35 AM
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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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European Environment Agency (EEA)
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