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Smog: Frequently Asked Questions

Detailed information about the nature, causes and effects of ground-level ozone, also known as smog.
What is Smog?
Smog, also known as ground-level ozone, poses serious risks to public health and the environment. What exactly is smog, and how does it form?
How Did Smog Get Its Name?
Smog, also known as ground-level ozone, poses serious risks to public health and the environment. Find out how smog got its name.
What Causes Smog?
Smog, also known as ground-level ozone, poses serious risks to public health and the environment. Learn what causes smog.
Where Does Smog Occur?
Smog, also known as ground-level ozone, poses serious risks to public health and the environment. Learn more about where smog occurs and why.
What are the Effects of Smog?
Smog, also known as ground-level ozone, poses serious risks to public health and the environment. Learn more about the effects of smog.
Who is Most at Risk from Smog?
Smog, also known as ground-level ozone, poses serious risks to public health and the environment. Learn who is most at risk from smog.
How Can You Recognize or Detect Smog Where You Live?
Smog, also known as ground-level ozone, poses serious risks to public health and the environment. Learn how to recognize and detect smog where you live.

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