Monday, 7 September 2026
Promotes action to improve air quality and protect human health and the environment.
Frequently asked questions
- When is International Day of Clean Air for Blue Skies 2026?
- International Day of Clean Air for Blue Skies 2026 is on Monday, 7 September 2026.
- What day of the week is International Day of Clean Air for Blue Skies 2026?
- It falls on Monday.
- How is International Day of Clean Air for Blue Skies calculated?
- This event is observed every year on 7 September.