The hole in the stratospheric ozone layer over the Antarctic expected to not recover until sometime between the years 2060 to 2075.

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The recovery of the ozone layer over the Antarctic is a slow process, and according to scientific assessments, it is expected to heal back to its 1980 levels sometime between 2060 and 2075, due to the long atmospheric lifetimes of ozone-depleting substances previously emitted.

The Hole in the Stratospheric Ozone Layer Over the Antarctic