03/28/2008 02:43 am ET | Updated May 25, 2011

Hawaii's Kilauea Volcano a Big Polluter

Kilauea volcano, one of Hawaii's most popular tourist attractions, is also by far the state's worst air polluter. Researchers now are trying to determine if that also makes it one of the state's biggest health risks.

Since it began erupting on Jan. 3, 1983, the volcano has been sending an average of 1,000 metric tons of sulfur dioxide into the atmosphere each day, according to the Hawaii chapter of the American Lung Association

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