International Day of Clean Air for Blue Skies
Observances · UN international days · Sun, September 7, 2025
A United Nations international day.
Every year
| Date | Event | When |
|---|---|---|
| Thu, Sep 7, 2023 | International Day of Clean Air for Blue Skies | 3 yr ago |
| Sat, Sep 7, 2024 | International Day of Clean Air for Blue Skies | 2 yr ago |
| Sun, Sep 7, 2025 | International Day of Clean Air for Blue Skies | 13 mo ago |
| Mon, Sep 7, 2026 | International Day of Clean Air for Blue Skies | 17 days ago |
| Tue, Sep 7, 2027 | International Day of Clean Air for Blue Skies | in 11 mo |
| Thu, Sep 7, 2028 | International Day of Clean Air for Blue Skies | in 2 yr |
Also on Sep 7, 2025
| Date | Event | When |
|---|---|---|
| Sun, Sep 7, 2025 | Full moon: Corn Moon | 13 mo ago |
| Sun, Sep 7, 2025 | Total lunar eclipse | 13 mo ago |
Source, method and history
- Source
- United Nations
- How we know
- Fixed date from the United Nations list of international days.
- Recurs
- annual
- Feed
- Subscribe to UN international days
- Changes
- None recorded.
Sources: official schedules and published calendars, linked on every event; computed dates name their rule. Refreshed nightly.