Ozone hole is about average size, despite undersea volcano eruption that was expected to worsen it

This NASA image shows the hole in Earth’s protective ozone layer over Antarctica on Oct. 30, 2023. This year’s ozone hole was about average size for the last 20 years. (NASA /via AP)

With last year’s undersea volcano injecting massive amounts of water high into the atmosphere, scientists were bracing for a big Antarctica ozone hole this fall. But it didn’t happen.