• Overview

2023 World Ozone Day (WOD)  - Theme: MONTREAL PROTOCOL: fixing the ozone layer and reducing climate change

On 19 December 1994, the United Nations General Assembly proclaimed 16 September the International Day for the Preservation of the Ozone Layer, commemorating the date, in 1987, on which the Montreal Protocol on Substances that Deplete the Ozone Layer was signed.

States are invited to devote the Day each year to promote, at the national level, activities in accordance with the objectives of the Montreal Protocol and its amendments.

Below are the link to previous WOD celebrations which provide ideas, information and materials that can be used to celebrate "Ozone Day" in your country, organisation or school.

2022 World Ozone Day
Celebrating World Ozone Day Around the Globe - 2022 - Country activities

2021 World Ozone Day
Celebrating World Ozone Day Around the Globe - 2021 - Country activities

2020 World Ozone Day
2019 World Ozone Day
2018 World Ozone Day
2017 World Ozone Day