Largest Arctic Ozone Hole Ever Recorded Is Now Closed

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Just as suddenly as it formed, a record hole in the ozone layer has healed. The largest ozone hole ever opened over the Arctic is now closed, after its first opening earlier this spring.

Scientists monitor “unprecedented” hole in Copernicus Atmospheric Monitoring Service (CAMS) ad closing last week. Despite coronavirus blockages leading to a significant reduction in air pollution, the researchers said the pandemic was probably not the reason for the closure of the ozone hole.

“In fact, COVID19 and the associated locks probably had nothing to do with it,” CAMS tweeted Sunday. “It is driven by an unusually strong, long-lived polar vortex, and is not related to changes in air quality. “



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