�y��vlog

Typically the primary hazard during during Kilauea eruptions is volcanic gas, which reacts with the atmosphere to create volcanic smog, or “vog.”

The vog can present health hazards for residents and visitors, damage plants and affect livestock, the observatory said.

Volcanic smog, or vog, consists of fine droplets containing volcanic gases, such as sulfur, that can irritate the eyes, throat and respiratory tract.

Volcanic smog, or vog, consists of fine droplets containing volcanic gas like sulfur that can cause irritation of the eyes, throat and respiratory tract.

Later Monday, state health officials said the eruption brought vog to some parts of the Big Island, causing poor air quality.