Ozone hole further expansion 1998.10.15

When the meteorological agency analyzed NASA's satellite documents, the largest area of the ozone hole over the Antarctic until September 28 was 2724 million square kilometers, surpassing the maximum of 96 million square kilometers in 1996. The destroyed ozone layer was also 89,080,000 tons, surpassing 85,040,000 tons in 1994. In the observation at Syowa station, it was found that ozone of 17 to 20km above the base was almost completely destroyed.