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air pollution

Cultural

The addition of harmful chemicals to the atmosphere. The most serious air pollution results from the burning of fossil fuels, especially in internal-combustion engines.

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Researchers know that outdoor air pollution, secondhand smoke and cooking oil fumes can contribute to lung cancer risk.

From Los Angeles Times • Jun. 6, 2026

Previous work from Lipton's laboratory has shown that this process can be triggered by factors such as aging, inflammation and environmental exposures including air pollution and wildfire smoke.

From Science Daily • May 31, 2026

It also contributes to air pollution in Houston and haze as far away as Arkansas.

From The Wall Street Journal • May 21, 2026

"There is no threat of air pollution," he added.

From BBC • May 13, 2026

I want to arrest him for air pollution.

From "Finding Junie Kim" by Ellen Oh

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023