What we announced three weeks ago has not been achieved. Although the decline in ozone levels seemed to be normal, researchers have measured data that have not been seen for a long time. The chart below shows the data up to October 2:

As can be seen, until mid-September we can regard the evolution of the hole in the ozone layer as normal, but from then on its extension has spread astonishingly.

We can already ensure that this year will be one of the largest sizes of the hole since measurements are made. This brings upside to the optimism of recent years.

Can new factors explain ozone depletion? Greenhouse gases, pollutants, etc. Can they be responsible for the second phase of ozone depletion?