Air Quality and Emergencies


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.

Learn more about substances that can be released into the air during a volcanic eruption:


Photo: U.S. Geological Survey


Smoke from wildfires can affect the air that you breathe. Use these resources to protect your family’s health if there’s a wildfire in your area.

Page last reviewed: August 1, 2018