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NASA, NOAA 2025 Ozone Hole Update

Earth Science Division Editorial Team

Nov 25, 2025
Article

This year, the ozone hole over Antarctica reached its annual maximum extent on Sept. 9th, 2025, with an area of 8.83 million square miles (22.86 million square kilometers.) The average size of the ozone hole between Sept. 7 and Oct. 13 this year was the 5th-smallest since 1992— when the Montreal Protocol began to take effect.

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Last Updated
Dec 01, 2025

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