as in haze
an atmospheric condition in which suspended particles in the air rob it of its transparency the city's smog was once so bad that darkness often prevailed, even at noon

Synonyms & Similar Words

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Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of smog Lawmakers also voted on Wednesday to stop a state effort to reduce California’s levels of smog. Lisa Friedman, New York Times, 1 May 2025 The state’s efforts to reduce smog in Southern California led to the use of catalytic converters and emissions treatment technology that have worked wonders in making auto exhaust much less dangerous. Alan Ohnsman, Forbes.com, 16 June 2025 The pollution also creates ground-level ozone when nitrogen oxides and volatile organic compounds — emissions from vehicles — bake in the heat and form a brown smog over the Front Range. Noelle Phillips, Denver Post, 13 June 2025 The green house gas rating is a 9, and the smog rating is a 6, both out of 10. Tony Leopardo, Mercury News, 9 June 2025 See All Example Sentences for smog
Recent Examples of Synonyms for smog
Noun
  • The wind that causes the haze is also responsible for the reddish area at the top of the photo.
    Perri Thaler, Space.com, 6 July 2025
  • Smog, haze and pollution sometimes contribute to poor air quality.
    Lorenzino Estrada, AZCentral.com, 3 July 2025
Noun
  • Using a mosquito 'bucket of doom' is much cheaper than getting a pest control service to come fog or spray your yard.
    Elliott Harrell, Southern Living, 4 July 2025
  • Heavy rain pelted the rescuers, who also battled fog and 45 mph wind gusts, according to officials.
    Sara Schilling July 2, Sacbee.com, 2 July 2025
Noun
  • Frequent cloud to ground lightning is occurring with these storms.
    NC Weather Bot, Charlotte Observer, 12 July 2025
  • There are both federal regulations and state regulations for cloud seeding and other forms of weather modification.
    Brandi D. Addison, Austin American Statesman, 12 July 2025
Noun
  • Whenever the surface of the soil feels dry on top, mist or bottom water.
    Heather Bien, Southern Living, 4 July 2025
  • Located just 15 minutes north of Olympic National Park, the resort’s tents are nestled in secluded groves overlooking the Strait of Juan de Fuca, where guests fall asleep to the rhythm of the Pacific and wake to sunlight filtering through towering conifers and coastal mist.
    Brittany Anas, Forbes.com, 3 July 2025

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Cite this Entry

“Smog.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/smog. Accessed 15 Jul. 2025.

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