Antarctic ozone hole reaches fifth smallest size in over three decades

Nov 24, 2025, 11:45 PM10

(Update: Nov 24, 2025, 11:45 PM)

Antarctic

polar region around Earth's South Pole

National Aeronautics and Space Administration

American space and aeronautics agency

National Oceanic and Atmospheric Administration

agency in the United States Federal Government

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Antarctic ozone hole reaches fifth smallest size in over three decades

In 2025, the Antarctic ozone hole measured 8.83 million square miles at its peak in early September.
This year's ozone hole is notable for being 30% smaller than the largest record observed in 2006.
Efforts to reduce ozone-depleting chemicals are helping the ozone layer recover, with expectations for full recovery later this century.

Antarctic

polar region around Earth's South Pole

National Aeronautics and Space Administration

American space and aeronautics agency

National Oceanic and Atmospheric Administration

agency in the United States Federal Government

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