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"description": "NASA scientists report the ozone hole over Antarctica reached an annual maximum size of on September 11, 2017. The Antarctic ozone hole is caused by manmade ozone-depleting chemicals and has been a feature of the atmosphere for more than 3 decades. Ozone protects the Earth's surface from harmful ultraviolet (UV) radiation from the sun. The UV index is a measure of the level of UV radiation. Values below 3 indicate low and safer levels while levels above 5 indicate high and more dangerous levels.
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"description": "See [http://ozonewatch.gsfc.nasa.gov](http://ozonewatch.gsfc.nasa.gov)",
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