World Ozone Day

News:World Ozone Day has been celebrated on September 16,2019.


  • The International Day for the Preservation of the Ozone layer is observed every year on September 16th.
  • The theme for the year 2019 is ‘32 Years and Healing’. 
  • The World Ozone Day 2019 celebrates over three decades of international cooperation to protect the ozone layer and the climate under the Montreal Protocol.

Montreal Protocol:

  • On September 16,1987,the United Nations and 45 other countries had signed the Montreal Protocol on substances that deplete the Ozone layer. 
  • The purpose of the Montreal Protocol is to protect the Ozone layer by reducing the production of substances that are supposed to be responsible for Ozone layer depletion.
  • The protocol was further strengthened with the ratification of the Kigali Agreement which phases out the production of hydrofluorocarbons (HFCs) that are potent greenhouse gases by the late 2040s.

Additional information:

  • In 2018,the latest Scientific Assessment of Ozone Depletion was completed.This assessment has shown that the parts of the Ozone Layer have recovered at a rate of 1-3% per decade since 2000.