International Day of Clean Air

History & origins

International Day of Clean Air is the United Nations observance held each year on September 7. It was established by UN General Assembly resolution 74/212 in 2019 and first observed in 2020 as the International Day of Clean Air for Blue Skies. The observance was created to raise awareness and mobilize action against air pollution worldwide.

Why it matters

Clean air is a public health issue, an environmental issue, and an economic issue all at once. Air pollution is linked to millions of premature deaths each year, and reducing it can also support climate action, since many of the same steps lower both harmful emissions and greenhouse gases.

How to celebrate

Learn about air quality in your area and how to protect yourself. Reduce your carbon footprint by walking, biking, or using public transportation. Support clean energy initiatives and policies. Plant trees and support green spaces in your community. Share information about air pollution and solutions. Advocate for clean air policies.

Facts

• Air pollution causes an estimated 7 million premature deaths annually
• Indoor air can be more polluted than outdoor air
• Clean air is essential for human health and well-being
• Air pollution affects climate change and vice versa
• Simple actions like reducing car use can significantly improve air quality

Upcoming dates

• Monday, September 7, 2026
• Tuesday, September 7, 2027
• Thursday, September 7, 2028
• Friday, September 7, 2029
• Saturday, September 7, 2030