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The first ozone hole over Canada

2015-03-10 - On the left, very low ozone concentrations were measured over the North Pole in March 2011. The typical ozone concentration levels measured over Canada in the spring are illustrated in this image from March 2015. (Credits: Canadian Space Agency, University of Saskatchewan)

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File size: 4.75 MB
Image size: 4800 x 3050 pixels
Resolution: 300 dpi

Photo taken on March 10, 2015

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