1. EEA, Air quality in Europe 2022, (2022) 〈https://www.eea.europa.eu//publications/air-quality-in-europe-2022〉.
2. World's Air Pollution: Real-time Air Quality Index, 〈https://waqi.info〉.
3. DirectivE (EU) 2016/2284 OF the European Parliament and of the Council of 14 December 2016 on the Reduction of National Emissions of Certain Atmospheric Pollutants, Amending Directive 2003/35/EC and repealing Directive 2001/81/EC, Official Journal of the European Union, (2016) L 344/341- L334/331, 〈http://data.europa.eu/eli/dir/2016/2284/oj〉.
4. (2023) 〈https://www.eea.europa.eu/data-and-maps/indicators/eea-32-sulphur-dioxide-so32-emissions-31/assessment-33〉.
5. (2023) 〈https://www.citepa.org/fr/2020-nox/〉.