World Ozone Day is observed on _______?

اوزون کا عالمی دن _______ کو منایا جاتا ہے؟

April 4

October 24

December 10

June 5

September 16

World Ozone Day also known as International Day for preservation of Ozone Layer is observed on 16 September

Proclaimed by United Nations General Assembly (in 1994)

Theme 2023:

Montreal Protocol: Fixing the Ozone Layer and Reducing Climate Change.