Vog Hazards Links
New! IVHHN Vog Dashboard has all the information you need about vog.
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:
- Have a supply of materials readyfor future events (baking soda, dust masks, respirators, and an emergency evacuation kit)
- Plan where you would go (friends, relatives) in case the plume was so thick that your health was threatened
- Keep apprised of current conditions at Halemaʻumaʻu by visiting the USGS-HVO update page .
- NIOSH provides specific details about sulfur dioxide.
- ATSDR answers questions about sulfur dioxide and its effect on human health.
- ALAH American Lung Association of Hawaiʻi has helpful suggestions for asthmatics.
- Hawaiʻi Volcanoes National Park provides current SO2 conditions.
- Hawaiʻi State Department of Health (PDF) has a Vog FAQ.
- UH Mānoa’s School of Ocean and Earth Science and Technology offers a Vog Measurement And Prediction (VMAP) Project .
Hawaiʻi County Civil Defense Active Alerts
Visit the Civil Defense website for up-to-date information.