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Ozone 2010 - 8 hour mean target value for the protection of human health

Figure Created 16 Oct 2012 Published 16 Oct 2012 Last modified 10 Dec 2012
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In the air quality directive (2008/EC/50), the EU has set a target value and a long term objective value for ozone (O3) for the protection of human health. Target value: the maximum daily eight-hour mean may not exceed 120 micrograms per cubic metre (µg/m3) on more than 25 days per calendar year averaged over three years. Long term objective value: the maximum daily eight-hour mean may not exceed 120 micrograms per cubic metre (µg/m3) within a calendar year.
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