Ozone hole was the smallest this year that it has ever been

NASA says that the ozone hole in the atmosphere was the smallest in 2018 and 2019 that is has been since it was first observed in 1982. The annual ozone hole reached its peak extent of 6.3 million square miles on September 8 and then shrank to less than 3.9 million square miles for the remainder of September and October, …