On October 2, 2011, a study was published in the journal Nature, which said that between December 2010 and March 2011 up to 80 percent of the ozone in the atmosphere at about 20 kilometres (12 mi) above the surface was destroyed.
Pada tanggal 2 Oktober 2011, sebuah penelitian dipublikasikan di jurnal Nature, mengatakan bahwa antara bulan Desember 2010 dan Maret 2011 sampai 80 persen ozon di atmosfer sekitar 20 kilometer (12 mi) di atas permukaan telah rusak.