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Vog Hazards Links

Please note, the Department of Health Clean Air Branch has been designated as the official source of information about vog. Be sure to visit their periodically updated website for the latest recommendations concerning vog mitigation.

Halemaʻumaʻu’s plume changes from day to day, and wind direction changes periodically. You can deduce where the plume will be by noting the wind direction; the National Weather Service provides a week-long forecast of wind conditions .

The best course of action is:

  1. Have a supply of materials readyfor future events (baking soda, dust masks, respirators, and an emergency evacuation kit)
  2. Plan where you would go (friends, relatives) in case the plume was so thick that your  health was threatened
  3. Keep apprised of current conditions at Halemaʻumaʻu by visiting the USGS-HVO update page .

Additional Information


Hawaiʻi County Civil Defense Active Alerts