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:

• Ammonia
• Fluorides, Hydrogen Fluoride, and Fluorine
• Sulfur Dioxide
• Vanadium