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Sulfur Dioxide Plume from Kilauea
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Published March 29, 2008
Kilauea is one of the world’s most active volcanoes, but it is of the sort that tends to ooze lava more often than it explodes. But starting on March 19, a small explosion rained rock and ash over the summit. The Hawaiian Volcano Observatory warned on March 28 that sulfur dioxide concentrations in the air downwind from the volcano were likely to be hazardous. Even before the March 19 explosion, elevated sulfur dioxide levels prompted the National Park Service to close part of Crater Rim Drive.
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Sulfur Dioxide Plume from Llaima Volcano
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Published January 9, 2008
On January 1, 2008, Chile’s Llaima Volcano erupted, raining ash on the local wilderness park and sending a column of smoke skyward. In addition to volcanic ash, Llaima’s eruption released a plume of sulfur dioxide. The initially intense plume thinned as it moved eastward.
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Fires in Southern California
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Published October 30, 2007
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Smoke Spreading from Greece to Africa
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Published August 31, 2007
Besides laying waste to huge areas of forest, fires burning in Greece in August 2007 released pollutants that traveled across the Mediterranean Sea and into Africa.
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Activity at Manda Hararo
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Published August 29, 2007
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Springtime Aerosols over Eastern Asia
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Published April 5, 2007
March 31, 2007, marked opening ceremonies for the first “Green China Day,” established to increase awareness of the need for environmental protection. As reported by ShanghaiDaily.com, however, the ceremony in Beijing saw an unwelcome guest: Gobi Desert dust. Roughly 2,000 kilometers south of the capital city, air quality also suffered, in this case from fires in Southeast Asia.
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Eruption of Mount Nyamulagira (Nyamuragira)
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Published December 8, 2006
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Sulfur Dioxide Cloud from Rabaul Volcano
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Published October 12, 2006
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Tungurahua Volcano in Ecuador
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Published August 23, 2006
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Dust Storm over Eastern China
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Published March 18, 2006
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Smoke over Southern United States
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Published March 16, 2006
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