"Vog" is volcanic gas mixed with fog. It has become a more-or-less constant fixture since the eruptions on Big Island flared up twenty or so years ago. When the trade winds are forced away by various weather systems, the vog drifts our way. Sometimes is it so thick on Big Island that local people with breathing problems are told to stay inside.
Here are samples of vog, photos taken from the same position as other sunset photos earlier in the blog, but we are missing the island of Lanai. It is obscured by a thick layer of vog, courtesy of a storm system northeast of us that has depressed the local trades.
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