The 2019 ozone hole is the smallest on record since its discovery, but there’s a catch

the NewsWorthy
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CNN

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In a rare event the ozone hole over Antarctica is the smallest it's been since its discovery the whole forms every year when colder temperatures caused the ozone layer to thin out well CNN reports the whole usually rose in September and October but this time it actually shrank to the smallest it's been on record and that's good news but scientists say because of unusually warm temperatures it's not necessarily a sign that the ozone is on a fast track to recovery the ozone layer is the part of our atmosphere that sort of like sunscreen it blocks true violet rays from hitting the planet surface so it stops us from getting things like skin cancer and cataracts scientists think the Antarctic ozone will recover back to levels seen in the nineteen eighties around the year twenty seventy

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