About 20km above the ground 80% of the ozone was lost.
This is the report in ScienceDaily.
A blog associated with EStarFuture, a New Zealand company that agonises about the woeful state of the Earth, and is trying to help fix the terrible mess that we have made of it through our chronic addiction to Black Stuff--coal and oil.
'We do not see things as they are. We see things as we are.' --Anais Nin.
'Now everything is changed, except man's thinking.' --Einstein
(said after the atomic bomb but it applies far more to the Climate Bomb).