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Images, data, and information for the Northern Hemisphere

21 May 1991

Arctic ozone map for 21 May 1991
Palette relating map colors to ozone values
False-color view of total ozone over the Arctic pole. The purple and blue colors are where there is the least ozone, and the yellows and reds are where there is more ozone.
May 1991 (All images)
May Climatology (All images)