Information update for visitors to Hawaii. Links to the Interagency and USGS fact sheets. Description of potential health effects of vog exposure. How to protect yourself from vog exposure including air purifier information. School action plans for SO 2, PM 2.5 and ash. Effects of vog on plants and agriculture.

Hawaii Department of Health (HDOH) Clean Air Branch Maps, current, and historical data of air quality conditions (SO 2 and PM 2.5 , plus other pollutants at some locations) in the Hawaiian islands. https://air.doh.hawaii.gov/home/map

The Hawaii Department of Health reports that vog conditions may increase and fluctuate in various areas of the state as volcanic activity on Hawaii Island continues. Vog is a hazy mixture of sulfur dioxide gas (SO2) and fine particles (PM2.5) emitted from an erupting volcano.

Vog and wind forecasts. The links below take you to forecasts of vog and wind distribution. 1. UH Manoa Vog Measurement and Prediction project (VMAP) Volcanic gas and particulate data and forecast. Uses volcanic gas emission rates and wind field data to model and predict the concentration and dispersion pattern of volcanic SO 2 and sulfate ...

Dense vog as seen from Hilo Bay, Hawaiʻi. Vog is a form of air pollution that results when sulfur dioxide and other gases and particles emitted by an erupting volcano react with oxygen and moisture in the presence of sunlight. The word is a portmanteau of the …

Vog Measurement and Prediction Project (VMAP) The University of Hawaii uses volcanic gas emission rates and wind field data to model and predict the concentration and dispersion pattern of volcanic SO2 and sulfate particles. Provided by the University of Hawaii at Manoa’s School of Ocean and Earth Science Technology. Hawaii SO2 Short Term ...

To help you make an informed decision, information about vog and air quality in Hawaii is provided in the Frequently Asked Questions above, as well as on the IVHHN vog dashboard at ivhhn.org/vog. You can also monitor the volcanic gas plumes and real-time air quality conditions for yourself on local Webcams and air quality advisory websites.

Dec 4, 2024 · Volcanoes spew ash, a type of particulate matter air pollution, into the air for miles downwind of the eruption. They also produce and release gases mixed with water and tiny particles that form this pollution that we see and call vog. Vog can be harmful, so learn more to take steps to protect yourself and your family. What Is in Vog?

Oct 3, 2017 · What is vog in Hawaii? Vog is the term that refers to the hazy air pollution caused by volcanic emissions from Kilauea Volcano on Hawaii (Big) Island. Think of it as volcanic smog, composed of carbon dioxide, sulfur dioxide, water vapor and fine acid particles.

To view the Halema`uma`u webcam, click . The observed conditions at the stations listed in the table below are actual conditions measured by Hawaii State Department of Health and National Park Service. These values are not modeled predictions.