Start Date: End Date: Published Date Data Date
Dust Storm over Iraq and Iran
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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
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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
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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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Sulfur Dioxide Plume from Isla Fernandina
Published April 16, 2009
A combination of two satellite overpasses tracks the movement of sulfur dioxide westward from Isla Fernandina on April 14, 2009.
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Sulfur Dioxide Emissions, Bulgaria
Published January 27, 2009
This image shows measurements of sulfur dioxide in the air over one of the largest power plants in eastern Europe, the Maritsa Iztok Complex in Bulgaria, on January 12, 2009.
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Beijing Restrictions Reduce Pollution
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Published December 17, 2008
Measures taken by Chinese officials to improve Beijing’s air quality during the 2008 summer Olympic games dramatically cut concentrations of two major pollutants, say NASA researchers.
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Sulfur Dioxide from Noril’sk, Russia
Published December 5, 2008
Much of the world’s nickel, palladium, and copper comes from a single location in Siberia, the Noril’sk mining facility. Because the metals must be extracted from sulfide ore, however, the same facility also produces much of the world’s sulfur dioxide pollution.
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Fires in California
Published November 18, 2008
Smoke from the recent outbreak of fires in Southern California can clearly be seen from NASA satellites.