Students will review the sources of the six criteria pollutants for which the EPA has established standards for and describe their impacts on human health and the environment. 

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.

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

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