Largest-Ever Hole in Ozone Layer Above North Pole Closes After Being Discovered in 2020

Largest-Ever Hole in Ozone Layer Above North Pole Closes After Being Discovered in 2020
Illustration - Andrey Armyagov/Shutterstock
Updated:

The largest hole in the ozone layer ever recorded, which appeared earlier this year above the North Pole, has recently closed.

Contrary to speculation, scientists are attributing its disappearance to unexpectedly warm spring temperatures, and not to environmental changes owing to the global pandemic.