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Definitions

smog

[smog, smawg] / smɒg, smɔg /
NOUN
air pollution
Synonyms


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.

The American Lung Assn. annual State of the Air report found that the five U.S. counties with the worst smog pollution are all in California.

From Los Angeles Times • May 14, 2026

Roughly a quarter of U.S. gasoline is a cleaner-burning blend of petroleum-derived chemicals called “reformulated gasoline,” which is required in urban areas across 17 states and the District of Columbia to reduce smog.

From Salon • May 13, 2026

One problem is that ethanol blends greater than 10% can increase smog during warm weather, which is why the EPA restricts its sale during the summer.

From The Wall Street Journal • May 10, 2026

Summer gas is refined in a way that reduces emissions and smog, but it is also costlier to make.

From MarketWatch • Apr. 29, 2026

“You should of seen the smog down south this morning. And the stink.”

From "The Milagro Beanfield War" by John Nichols




Vocabulary lists containing smog


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