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World Ozone Day
Special day

World Ozone Day

Montreal Protocol: fixing the ozone layer and reducing climate change.

Today

When is World Ozone Day?

Every year on September 16.

Worldwide

What is World Ozone Day?

World Ozone Day commemorates the date in 1987 when the Montreal Protocol was signed to protect the ozone layer. The ozone layer shields the Earth from harmful ultraviolet radiation from the sun.

How to celebrate

Mark the day with a poster made in Dayfeed — pick your favourite photo as the background, share it to your story or group chat, and set a reminder so you never miss it next year.

Hashtags

  • #WorldOzoneDay
  • #OzoneDay
  • #HealOurPlanet
  • #OzoneLayer

Never miss a special day

Download Dayfeed and get a beautiful reminder for every day that matters — plus countdowns and shareable posters.

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