International Day for the Preservation of the Ozone Layer 2017

Saturday, 16 September 2017

Marks the signing of the Montreal Protocol and promotes protection of the ozone layer.

Also known as

  • World Ozone Day

Frequently asked questions

When is International Day for the Preservation of the Ozone Layer 2017?
International Day for the Preservation of the Ozone Layer 2017 is on Saturday, 16 September 2017.
What day of the week is International Day for the Preservation of the Ozone Layer 2017?
It falls on Saturday.
How is International Day for the Preservation of the Ozone Layer calculated?
This event is observed every year on 16 September.