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

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Created : Dec 10, 2012 Published : Dec 10, 2012 Last modified : Dec 10, 2012 12:06 PM

Topics: Air pollution ,

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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Sep 26, 2012 - Nitrogen dioxide 2010 - Hourly limit value for the protection of human health

http://www.eea.europa.eu/data-and-maps/figures/nitrogen-dioxide-2010-hourly-limit-1/eu10no2_hr/image_original

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26 Sep 2012

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2010

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air quality zones 2010 | nitrogen dioxide | air quality | air pollution

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