Ozone Day is celebrated on :

  1. 25th September
  2. 5th June
  3. 21th April
  4. 16th September
Manish Listener Asked on 28th September 2015 in General Knowledge.
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    Answer: (4) 16th September

    Ozone day is celebrated on 16th September. The first Ozone day was celebrated on 16th September 1995. It’s date designated by the United Nations General Assembly. 

    Anurag Mishra Professor Answered on 30th September 2015.
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