Hawaii Volcanoes National Park - Sulfur Dioxide Advisory History Charts

Advisory Levels Good Moderate Unhealthy for Sensitive People Unhealthy

Data Disclaimer

The 15-minute sulfur dioxide and wind data displayed on this web page are preliminary. The standard procedures to guarantee the quality of the data prior to their release for scientific and regulatory purposes have not yet been employed. These data may be revised at a later time.

While all efforts have been made to provide timely updates, technical difficulties may cause delays and periods of missing data. The last update time and date should be noted carefully to confirm the currentness of the posted data.

Click here for more information about National Park Service (NPS) Hawaii Volcanoes National Park Sulfur Dioxide (SO2) Advisory Program

Click here for a copy of the Hawaii County Civil Defense Emissions from Kilauea Volcano brochure