Trend in NO2 and NOX annual mean concentrations (2001– 2010) per station type (top); percentage frequency distribution of estimated annual change of NO2 annual mean concentrations at urban stations and at traffic stations (bottom) - eps file
For references, please go to www.eea.europa.eu/soer or scan the QR code.
This briefing is part of the EEA's report The European Environment - State and Outlook 2015. The EEA is an official agency of the EU, tasked with providing information on Europe's environment.
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