International Day of Clean Air for Blue Skies 2025

The United Nations celebrates the International Day of Clean Air for Blue Skies on September 07, 2025, to highlight the risks posed by air pollution. Observed every year, the day has been celebrated since its proclamation in 2019 and first observed in 2020. Air pollution is one of the leading preventable causes of illness and death worldwide, severely impacting both the climate and human health.

International Day of Clean Air for Blue Skies urges governments, industries, and individuals to take action by reducing emissions and improving air quality standards. Clean air is essential not only for our health but also for ensuring sustainable development and combating climate change.