Observed changes in winter oxidised nitrogen (NO2 and NO3) concentrations, 1985–2010

Figure Created 10 Sep 2012 Published 26 Mar 2013 Last modified 26 Mar 2013
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The map shows stations with a statistically significant decrease (green), increase (red) or no trend (yellow) in winter oxidised nitrogen concentrations within the period 1985-2010. Selected stations must have at least data in the period from 2007 to present and at least 5 years data in all.

European data


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