International Day for the Preservation of the Ozone Layer in United States of America

In 2026, International Day for the Preservation of the Ozone Layer falls on Wednesday, 16 September 2026.

A picture of the earth as seen from space
Photo by Steve A Johnson on UnsplashUpdated 9 Sep 2026

About International Day for the Preservation of the Ozone Layer

The International Day for the Preservation of the Ozone Layer commemorates the date in 1987 when the Montreal Protocol was signed to protect the earth's atmosphere. Observed globally, it highlights the importance of collective action in phasing out ozone-depleting substances to safeguard the planet for future generations. While not a public holiday involving time off work, it is widely recognized by environmental agencies and educational institutions in the United States.

International Day for the Preservation of the Ozone Layer dates in United States of America

Observance dates for International Day for the Preservation of the Ozone Layer across a 10-year window (2023-2031).

16 Sep 2023

Saturday · International Day for the Preservation of the Ozone Layer

2023

16 Sep 2024

Monday · International Day for the Preservation of the Ozone Layer

2024

16 Sep 2025

Tuesday · International Day for the Preservation of the Ozone Layer

2025

16 Sep 2026

Wednesday · International Day for the Preservation of the Ozone Layer

2026

16 Sep 2027

Thursday · International Day for the Preservation of the Ozone Layer

2027

16 Sep 2028

Saturday · International Day for the Preservation of the Ozone Layer

2028

16 Sep 2029

Sunday · International Day for the Preservation of the Ozone Layer

2029

16 Sep 2030

Monday · International Day for the Preservation of the Ozone Layer

2030

16 Sep 2031

Tuesday · International Day for the Preservation of the Ozone Layer

2031

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