Smog
Definition
Smog refers to a type of air pollution that is characterized by a mixture of smoke and fog. It occurs when pollutants such as nitrogen oxides and volatile organic compounds react with sunlight, forming harmful ground-level ozone.
Analogy
Imagine smog as a thick blanket covering the city, making it difficult to see clearly. Just like how the blanket obstructs your vision, smog obstructs the quality of air we breathe.
Related terms
Particulate Matter: Tiny particles suspended in the air that can be inhaled into our lungs, causing respiratory problems.
Acid Rain: Precipitation (rain, snow) that has become acidic due to pollutants like sulfur dioxide and nitrogen oxides mixing with water vapor in the atmosphere.
Photochemical Smog: A specific type of smog formed when sunlight reacts with pollutants emitted from vehicles and industrial activities.
"Smog" appears in:
Resources
© 2024 Fiveable Inc. All rights reserved.
AP® and SAT® are trademarks registered by the College Board, which is not affiliated with, and does not endorse this website.