# 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 E: Limit value

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

Stage 2 — indicative limit value to be reviewed by the Commission in 2013 in the light of further information on health and environmental effects, technical feasibility and experience of the target value in Member States.
Averaging period
Limit value
Margin of tolerance
Date by which limit value is to be met
STAGE 1
Calendar year
25 μg/m3
20 % on 11 June 2008, decreasing on the next 1 January and every 12 months thereafter by equal annual percentages to reach 0 % by 1 January 2015
1 January 2015
STAGE 2
Calendar year
20 μg/m3
1 January 2020

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