International Day of Clean Air

History & origins

International Day of Clean Air is listed in this site's 2026 calendar for September 7. Informal "national days" are often promoted by communities, trade groups, and brands; origins and official proclamations vary by country and year. Breathe easier and take action for clean air on International Day of Clean Air! Air pollution affects billions of people worldwide and contributes to climate change. Because many such observances are cultural or promotional rather than statutory, treat dates as a planning guide and confirm local events separately.

Why it matters

Observing International Day of Clean Air gives people a shared anchor to explore international themes—clean-air, environment, September, pollution, health—and to coordinate learning, gatherings, or giving around that focus. Breathe easier and take action for clean air on International Day of Clean Air! Air pollution affects billions of people worldwide and contributes to climate change. Learn about air quality, support clean air initiatives, and discover ways to reduce your personal contribution to air pollution.

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