air pollution

Cultural  

1. 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.

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Example Sentences

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

The organization works to combat air pollution across Southern California and the Inland Empire.

From Los Angeles Times • May 30, 2026

A shortage of trees has turned some towns and cities into "tree deserts", leaving residents more exposed to the risk of poor health, air pollution and rising temperatures, a conservation charity has warned.

From BBC • May 24, 2026

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

From The Wall Street Journal • May 21, 2026

Ironically, the real source turned out to be air pollution from cars and factories.

From "A Thousand Sisters" by Elizabeth Wein