Start Date: End Date: Published Date Data Date
Smog over China
1392 x 1392 2 MB - GeoTIFF
Published October 14, 2010
In early October 2010, a high-pressure system settled in over eastern China, allowing the air to stagnate, pollution to accumulate, and thick smog and heavy fog to build up to hazardous levels.
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9945 x 6224 158 MB - GeoTIFF
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Antarctic Ozone Hole 2010
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Published September 16, 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.
Eruption of Eyjafjallajökull Volcano, Iceland
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Published April 16, 2010
This map shows the amount of volcanic ash and haze over the North Atlantic following the eruption of Iceland&rsquos;s Eyjafjallajökull Volcano on April 15, 2010.
Antarctic Ozone Hole 2009
Published September 17, 2009
Blues and purples in this image of Antarctic ozone concentrations reveal the developing ozone hole of 2009.
Smoke from Fires in Russia and Alaska
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Published August 12, 2009
This false-color image shows where airborne particles absorbed sunlight over the Arctic on August 1-2, 2009. The aerosols resulted from multiple large fires in the region.
Relative Amounts of Bad Ozone Ingredients Across the U.S.
Published August 7, 2009
These maps show how the relative amounts of the key ingredients for ozone (smog) formation in the United States change throughout the summer.
Dust Storm over Iraq and Iran
Published July 17, 2009
On July 5-6, 2009, the Ozone Monitoring Instrument observed how much sunlight could reach the surface of the Earth through the dust particles kicked up by a severe dust storm over Iraq and Iran.
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Sarychev Eruption Generates Large Cloud of Sulfur Dioxide
Published June 18, 2009
A large cloud of sulfur dioxide stretched across the Northern Pacific Ocean following the eruption of Sarychev Peak Volcano in mid-June 2009.
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Antarctic Ozone Hole: 1979 to 2008
Published June 2, 2009
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.
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716 x 716 373 KB - PNG