Students observe how air quality changes over time, for a selected location, using data from the United States Environmental Protection Agency (EPA).

Students watch videos and review articles related to ozone as a pollutant at ground level, and how ozone impacts environment, then provide their understanding in groups.

In this lesson, students will explore the effect of aerosols on sky color and visibility by using an interactive virtual model. 

Learn about volcanic ash and watch a visualization of the Calbuco volcano to see how ash travels around the world. 

NASA visualizers take data – numbers, codes – and turn them into animations people can see and quickly understand.