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Nitrogen dioxide - Hourly limit value for the protection of human health

Figure Created 05 Feb 2014 Published 28 Mar 2014 Last modified 04 Sep 2014

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In the air quality directive (2008/EC/50), the EU has set two limit values for nitrogen dioxide (NO2) for the protection of human health: the NO2 hourly mean value may not exceed 200 micrograms per cubic metre (µg/m3) more than 18 times in a year and the NO2 annual mean value may not exceed 40 micrograms per cubic metre (µg/m3). These limit values come into force for concentrations measured from 1.1.2010 so during 2009 a margin of tolerance equal to an annual mean value of 42 micrograms per cubic metre (μg/m3) is still in place

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Rights:: EEA standard re-use policy: unless otherwise indicated, re-use of content on the EEA website for commercial or non-commercial purposes is permitted free of charge, provided that the source is acknowledged (https://www.eea.europa.eu/legal/copyright). Copyright holder: European Environment Agency (EEA).
Owners:: European Environment Agency (EEA)
Figure type:: Map

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Older versions

10 Dec 2012 - Nitrogen dioxide - Hourly limit value for the protection of human health

20 Sep 2011 - Nitrogen dioxide - Hourly limit value for the protection of human health

06 Oct 2010 - Nitrogen dioxide - Hourly limit value for the protection of human health

30 Mar 2010 - Nitrogen dioxide - Hourly limit value for the protection of human health

12 Nov 2009 - Nitrogen dioxide 2007. Hourly limit value for the protection of human health

12 Nov 2009 - Nitrogen dioxide 2006. Hourly limit value for the protection of human health

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