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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
Averaging period | Critical level Sulphur dioxide (SO2) Calendar year and winter (1 October to 31 March) | 20 μg/m3 Oxides of nitrogen (NOx) Calendar year | 30 μg/m3
← Section 3 – Critical levels for the protection of vegetation and natural ecosystems · All articles · Section 4 – Alert thresholds and information thresholds →
Source: EUR-Lex (Cellar) · retrieved 2026-10-16 · Text as adopted (Official Journal); later amendments are not incorporated in this text.