When: 7 September 2025
Where: Worldwide
Visit the official campaign page for more information.
See also the UN observance page.
On November 26, 2019, the Second Committee of the 74th session of the United Nations (UN) General Assembly adopted a resolution designating 7 September as the “International Day of Clean Air for blue skies”. The resolution stresses the importance of, and urgent need to, raise public awareness at all levels and to promote and facilitate actions to improve air quality.
More information will be added to this page.
