ntr4-L_202402881EN.004701-E0004
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
(4) For O3, minimum data coverage requirements are to be met both for the full calendar year, and for the periods of April to September, and October to March, respectively.
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Source: EUR-Lex (Cellar) · retrieved 2026-10-16 · Text as adopted (Official Journal); later amendments are not incorporated in this text.