- As a result of an eruption that began yesterday from Halema‘uma‘u crater at the summit of Kīlauea Volcano, vog conditions and sulfur dioxide (SO₂) air levels are increasing and fluctuating.
- Eruptive activity is within Hawaiʻi Volcanoes National Park, however, changing wind conditions have created intermittent air quality problems west of the summit.
- Affected areas include Pahala, Nāʻālehu, Ocean View, Hilo, and East Hawai‘i.
Poor air quality and increased levels of SO₂ since the beginning of the eruption may cause problems with respiratory health, especially in sensitive individuals. Conditions are changing rapidly, and poor air quality causing health effects may be very localized.
In the event of vog conditions, the following precautionary measures are advised:
- Reduce outdoor activities that cause heavy breathing. Avoiding outdoor activity and exercise during vog conditions can reduce exposure and minimize health risks. This is especially important for sensitive groups such as children, the elderly, and individuals with pre-existing respiratory conditions including asthma, bronchitis, emphysema, and chronic lung and heart disease.
- Stay indoors and close windows and doors. If an air conditioner is used, set it to recirculate.
- If you need to move out of an impacted area, turn on the car’s air conditioner and set it to recirculate.
- Always keep medications on hand and readily available.
- Daily prescribed medications for respiratory illnesses should be taken on schedule and may provide protection from the effects of sulfur dioxide.
- Remember that face coverings and masks used to prevent the spread of COVID-19 do not provide protection from SO₂ or vog.
- Contact a doctor as soon as possible if any health problems develop.
- Do not smoke and avoid second-hand smoke.
- Drink plenty of fluids to avoid dehydration.
- Have family emergency plans prepared and ready.
- Heed warnings by county and state emergency management officials.
Visitors to the Hawaiʻi Volcanoes National Park should note that rockfalls and explosions can produce ash composed of volcanic glass and rock fragments. These ashfalls currently represent a minor hazard, but dustings of ash at areas around the Kīlauea summit are possible.
The Hawai‘i Department of Health (DOH) is encouraging residents and visitors to utilize the following resources that provide complete, clear and current information on the health effects of vog, how to protect yourself, vog and wind forecasts, air quality, changing conditions, and advice for visitors:
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