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NASA Reveals Earth's Ozone Hole Has Grown to a Size Not Seen in a Decade
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What Happened?
In 2026, unusual weather patterns over Antarctica caused the ozone hole to expand significantly, reaching one of its largest sizes on record. Despite this, scientists report that the ozone layer is gradually recovering.
Key points
- The 2026 Antarctic ozone hole is the seventh-largest in 48 years of observations.
- It reached a maximum size of approximately 10.5 million square miles on September 18, 2026.
- The polar vortex contributed significantly to the expansion of the ozone hole this year.
- International efforts have prevented the ozone hole from becoming even larger.
- Ozone levels above the South Pole fell to 105 Dobson units on October 17, 2026.
- Chlorine concentrations in the Antarctic stratosphere have declined by about one-third since the 1980s.
Key insights
- The ozone hole's size indicates the effectiveness of international environmental agreements.
- Continued monitoring is essential to ensure the recovery of the ozone layer.
- The polar vortex's strength this year may influence future ozone depletion patterns.
Why it matters
The findings highlight the ongoing recovery of the ozone layer, which is crucial for protecting life on Earth.
Tags
Entities
NASA· OrganizationNOAA· OrganizationMontreal Protocol· EventAntarctica· Location
Source
Science Daily
