UPDATE March 9, 2011
After a new vent on Hawaii's Big Island Kilauea Volcano opened (3rd vent), spewing lava and particulates in air, I received this email from a Chasing Clean Air reader in Maui.
"I'm afraid vog is now part of Maui as fog is to London or smog is to L.A. Until last week it was up to 8 times worse than 2008 but with the vent that opened yesterday it is 70 times as bad as 2009. Hawaii may be dying."
And below was my vog experience last March 25, 2010. I was in Hawaii for close to three weeks (Maui and Kauai) during which time I only experienced a negative reaction to vog in Kihei Maui once.
My lungs constricted walking to my favorite Kihei beach yesterday, the sort of tightness I associate with a bad smog day in Los Angeles. But this was Maui, where to date I'd only experienced what felt like very clean air.
So later I returned to my hotel room, went online, and learned from two separate sources that Kihei on Maui had elevated particulates in the air, and it was recommended for sensitive individuals (that's me) to refrain from outdoor activity.
The first source I checked was the United States Geological Survey, (they report on volcano hazards) which stated on their web site:
Today March 25, 2010 there is elevated volcanic eruption activity. Elevated SO2 emissions from two vents; lava visible in summit vent; lava flows from the East rift zone vents. Their warning stated: Volcano is exhibiting heightened or escalating unrest with increased potential of eruption, timeframe uncertain, or eruption is underway but poses limited hazards.
Kilauea on the Big Island of Hawaii is one of the most active volcanoes in the world.
Volcano eruptions may impact air quality on Maui and other Hawaiian islands based on a variety of factors that include and are probably not limited to: degree of eruption, wind velocity, wind direction, and temperatures. (I know toxins and ozone in smog intensify with higher temperatures.)
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