18/06/2026
Air pollution is associated with between 29,000 and 43,000 deaths a year in the UK. The World Health Organization and the UK Government both recognise that air pollution is the largest environmental threat to our health, and this is a day to do something about it.
Find out how air pollution is harming our health, and download resources to use and share on the Global Action Plan website:
Clean Air Day is the UK's largest air pollution campaign. Clean Air Day has helped increase levels of air pollution busting behaviours.