World Ozone Day observed on September 16

World Ozone Day observed on September 16
On December 19, 1994, the UN General Assembly proclaimed September 16 to be the International Day for the Preservation of the Ozone Layer, commemorating the date when the Montreal Protocol on Substances that Deplete the Ozone Layer was signed in 1987.

The theme for World Ozone Day 2018 – Keep Cool and Carry On.

Ozone layer is found particularly in the stratosphere layer of atmosphere ranging between 20 to 40 km.