Percentage of urban population resident in areas for days per year with SO2 concentration exceeding daily limit value, EEA member countries, 1997-2008

Figure Created 12 Nov 2009 Published 11 Oct 2010 Last modified 26 Aug 2017
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The limit value is 125 µg SO2/m³ as a daily mean, not to be exceeded more than three days in a year. Over the years 1997-2008 the total population for which exposure estimates are made, increases from 57 to 97 million people due to an increasing number of monitoring stations reporting under the Exchange of Information Decision. Year-to-year variations in exposure classes are partly caused by the changes in spatial coverage. Only urban and sub-urban background monitoring stations have been included in the calculations. Data for Bosnia and Herzegovina, Iceland, Liechtenstein, Luxembourg, Malta, the former Yugoslav Republic of Macedonia, Serbia, and Turkey are not included due to the geographical coverage of the Urban Audit and/or lack of air quality data.


European data



Geographic coverage

Temporal coverage


Filed under: csi, air pollution, so2, air quality
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