Where does the ozone hole occur?

South pole

The correct answer is option 2. South pole.

The South Pole experienced ozone hole, known as ozone layer depletion in the 1980s. Chlorine sinks are created in the summer when NO₂ and CH₄ interact with chlorine atoms and chlorine monoxide, avoiding significant ozone depletion. Polar stratospheric clouds, a unique type of cloud, develop above Antarctica throughout the winter.