Trioxygen lovelies. An ozone update.

 

Know your O3NASA reports that the ozone hole over Antartica is in the midst of its annual size increase. Remember that ‘hole’ is a metaphor here.  There’s still ozone there, just much less than historical values. So far this year, the hole seems to be smaller than the average from 1979-2009, likely due to warmer stratosphere temperatures in the southern hemisphere.

September 16th was the International day for the Preservation of the Ozone Layer.  Better late than never, right?

Image: Ozone concentrations on September 21 2010 from NASA’s Ozone Hole Watch.  The Ozone Hole Watch has all sorts of nifty animations and data, so explore!

 

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