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
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Recent Examples of smogBurning coal also creates lung-damaging smog and emits brain-damaging mercury and soot pollution that triggers respiratory ailments and shaves years off lives.—Michael Hawthorne, Chicago Tribune, 13 Apr. 2025 According to Citizens’ Climate Lobby, burning fossil fuels releases a mix of harmful pollutants including carbon dioxide, sulfur dioxide, nitrogen oxides, and particulate matter that contribute to global warming, smog, acid rain, and severe respiratory illnesses.—Dianne Plummer, Forbes.com, 22 May 2025 However, the season, time of day, cloud coverage, smog, and sunscreen can affect how much vitamin D3 your body makes from the sun.—Health, 20 May 2025 The turbines give off nitrogen oxides, a key contributor to smog, and formaldehyde, among other pollutants, according to their manufacturer.—Stephanie Gosk, NBC news, 15 May 2025 See All Example Sentences for smog
With the haze of inexplicable death clouding every sequence, The Virgin Suicides reset the barometric pressure of teen movies.
—
Hillary Kelly,
The Atlantic,
6 June 2025
In June 2023, a surreal glowing orange haze descended on New York City and across other East Coast locations as winds concentrated and redirected smoke from Canada wildfires.
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