Images related to Ozone’s Long Path to Recovery

2005 Ozone Hole
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2005 Ozone Hole

Published Dec 8, 2005

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Antarctic Ozone Hole 2009
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Antarctic Ozone Hole 2009

Blues and purples in this image of Antarctic ozone concentrations reveal the developing ozone hole of 2009.

Published Sep 17, 2009

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Antarctic Ozone Hole 2010
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Antarctic Ozone Hole 2010

The Ozone Monitoring Instrument (OMI) on NASA’s Aura satellite acquired data for this map of ozone concentrations over Antarctica on September 12, 2010.

Published Sep 16, 2010

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Ozone Hole is Smallest Since 1988
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Ozone Hole is Smallest Since 1988

The smaller ozone hole was strongly influenced by an unstable and warmer-than-usual Antarctic vortex.

Published Nov 3, 2017

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2003 Ozone Hole
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2003 Ozone Hole

Published Sep 26, 2003

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Ozone Hole through the years
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Ozone Hole through the years

This series of images shows the Antarctic ozone hole on the day of its maximum depletion in 1979, 1987, 2006, and 2010; that is, the days with the thinnest ozone layer.

Published Feb 1, 2011

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Watching the Ozone Hole Before and After the Montreal Protocol
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Watching the Ozone Hole Before and After the Montreal Protocol

NASA satellites have observed the Antarctic ozone hole since the late 1970s—before and after nations agreed to stop producing chemicals that destroy the ozone layer.

Published Sep 18, 2012

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Ozone Hole 2016, and a Historic Climate Agreement
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Ozone Hole 2016, and a Historic Climate Agreement

The same international agreement that successfully put the ozone layer on the road to recovery is now being used to address climate change.

Published Oct 27, 2016

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Antarctic Ozone Hole: 1979 to 2008
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Antarctic Ozone Hole: 1979 to 2008

In 1979, Antarctic ozone levels dropped below 200 Dobson Units for the first time on record. This threshold became the standard for defining the ozone hole. In 2008, minimum ozone levels dropped to 100 Dobson Units on October 4.

Published Jun 2, 2009

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Measurements Show Reduction in Ozone-Eating Chemical
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Measurements Show Reduction in Ozone-Eating Chemical

New research from NASA scientists shows that the amount of chlorine in the stratosphere over the South Pole is declining at the same time that ozone holes are becoming less severe.

Published Feb 13, 2018

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Ozone Hole 2013
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Ozone Hole 2013

Ozone depletion was significant in 2013, but less than the long-term average.

Published Oct 26, 2013

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Ozone Hole 2015
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Ozone Hole 2015

The ozone hole over Antarctica grew relatively large and deep in 2015.

Published Oct 27, 2015

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