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UCAR Center for Science Education
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What is Air Quality?
Good air quality is critical for maintaining life on Earth. But what is air quality and why does it change?
What's In the Air?
Air is a mixture of naturally occurring gases and human-made air pollutants. Learn more about these gases and the role they play in our atmosphere.
Air Pollution: How We're Changing the Air
Learn about the six main types of human-made air pollutants and their sources.
Effects of Air Pollution
Air pollution affects all things. It is harmful to our health, and it impacts the environment. Greenhouse gas pollution affects the entire planet.
How Weather Affects Air Quality
How is air pollution affected by weather? Some types of pollution are worse in the summer heat, while others are worse in cold winter weather.
Earth Science Helped Make Frankenstein Frightening
It all started in 1815 with a huge volcanic eruption in Indonesia. Find out how Earth inspired a monster!
Air Quality Games and Simulations
Test your knowledge with one of our games or gain a deeper understanding of air quality through a simulation.
Air Quality Activities
Explore air pollution with activities aimed at helping students understand how ground-level ozone and other pollutants form and how they impact our health.