While such low concentrations of ozone are unusual, they are not unprecedented.
Published Apr 16, 2020Image of the Day Atmosphere Heat Drought Fires Remote Sensing Temperature Extremes
Recent observations from satellites and ground stations suggest that atmospheric ozone levels for March in the Arctic were approaching the lowest levels in the modern instrumental era.
Published Mar 30, 2011
An unusually long period of cold temperatures and strong winds allowed an Arctic ozone hole to form in March 2011.
Published Oct 6, 2011
The growth of the ozone hole appears to have stopped thanks to the banning of most ozone-depleting chemicals.
Published Sep 17, 2014
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
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
The hole in the ozone layer over Antarctica was slightly above average size in 2018, but smaller than expected for the weather conditions.
Published Nov 14, 2018
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
The smaller ozone hole was strongly influenced by an unstable and warmer-than-usual Antarctic vortex.
Published Nov 3, 2017
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
Blues and purples in this image of Antarctic ozone concentrations reveal the developing ozone hole of 2009.
Published Sep 17, 2009
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
These images show computer predictions of what would have happened to the ozone layer over the mid-latitudes of the Western Hemisphere if CFCs had not been banned by the Montreal Protocol.
Published May 21, 2009
