Volcanoes and Air Quality
Volcanoes
When volcanoes erupt, they release ash and harmful gases that can make it hard to breathe. Find out how to stay safe during and after a volcanic eruption.
- Key Facts About Protecting Yourself During a Volcanic Eruption
- Key Facts About Protecting Yourself After a Volcanic Eruption
Learn more about substances that can be released into the air during a volcanic eruption:

Photo: U.S. Geological Survey
Page last reviewed: June 12, 2019
Content source: National Center for Environmental Health