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Antarctic Ozone Hole, October 1999

Image of the Day for November 14, 1999

This image shows the latest data from the Total Ozone Mapping Spectrometer (TOMS) Earth Probe, for the month of October 1999.

NASA Earth Observatory

Nov 14, 1999
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Nov 4, 1999
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Antarctic Ozone Hole, October 1999

Historically, the Antarctic ozone hole is largest during the month of October. This image shows the latest data from the Total Ozone Mapping Spectrometer (TOMS) Earth Probe, for the month of October 1999. Values below 150 Dobson Units (bright blue) are considered extremely low.

For more information, please visit:
September Ozone Hole
Ozone Fact Sheet
TOMS Project

References & Resources

Images by Robert Simmon, Research and Professional Services

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