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Antarctic ozone hole

Total Ozone Mapping Spectrometer (TOMS) ozone images

1-15 October 1986

The data are the October 1-15 averages of the total column ozone amount, given in Dobson Units. The area extent of the ozone hole for each year is indicated by the red 220 DU line.

• For more information on the ozone hole go to NASAs Ozone Hole Watch website 

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