EPA: Hawaii Island leads nation in sulfur dioxide emissions

Helicopter overflight of KIlauea Volcano's lower East Rift zone on May 19. Note sulfur dioxide plumes rising from the fissures along the rift and accumulating in the cloud deck. (USGS/Special to West Hawaii Today)

HONOLULU — Hawaii Island has the highest rate of sulfur dioxide emission in the nation, according to the United States Environmental Protection Agency, a distinction established before this month’s toxic eruptions began pouring from Kilauea Volcano.