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Directive (EU) 2024/2881 of the European Parliament and of the Council of 23 October 2024 on ambient air quality and cleaner air for Europe (recast) · European Union
Objective | Averaging period | Long-term objective Protection of human health | Maximum daily 8-hour mean within a calendar year | 100 μg/m3 not to be exceeded on more than 3 days per calendar year (99th percentile) | Protection of vegetation | May to July | AOT40 (calculated from 1 h values) | 6 000 μg/m3 × h
← C. Long-term objectives for ozone (O3) to be attained by 1 January 2050 · All articles · Section 3 – Critical levels for the protection of vegetation and natural ecosystems →
Source: EUR-Lex (Cellar) · retrieved 2026-10-16 · Text as adopted (Official Journal); later amendments are not incorporated in this text.