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Sulphur dioxide - Daily 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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This page was archived on 04 Sep 2014 with reason: Other (New version data-and-maps/figures/sulphur-dioxide-daily-limit-value-for-the-protection-of-human-health-6 was published)
In the air quality directive (2008/EC/50) the EU has set two limit values for sulphur dioxide (SO2) for the protection of human health: the SO2 hourly mean value may not exceed 350 micrograms per cubic metre (µg/m3) more than 24 times in a year and the SO2 daily mean value may not exceed 125 micrograms per cubic metre (µg/m3) more than 3 times in a year.

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