What is the largest hole in the ozone layer?



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    The largest ozone layer hole ever recorded is the one directly above the Arctic. This hole is a depletion of ozone gas layer in the upper atmosphere that protects the Earth from the sun’s rays. According to the BBC article, “From 21-30 September, its average area was 27.4 million sq km (10.6 million sq miles) – bigger than North America.”

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