# Directive 2008/50/EC of the European Parliament and of the Council of 21 May 2008 on ambient air quality and cleaner air for Europe, Division D: Target value

Extent: E+W+S+N.I.

Averaging period
Target value
Date by which target value should be met
Calendar year
25 μg/m3
1 January 2010

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Source: https://www.legislation.gov.uk/eudr/2008/50/annex/XIV/division/D (the official version)
Page: https://openlegislation.uk/eu-directive-2008-50/annex-XIV/division-D
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.