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 smogMold spores and rust bloom around the bathroom fixtures, and a mysterious black smog pours from her vents and sticks to her walls.—Ilana Arougheti, Kansas City Star, 18 Sep. 2025 For example, Erin Brockovich-style reporting is finding that in Memphis, Tennessee, Elon Musk’s xAI supercomputer, Colossus, is worsening air quality due to its massive use of methane-gas turbines, emitting a smog of nitrogen oxides and toxic formaldehyde.—Michaela Rychetska, JSTOR Daily, 18 Sep. 2025 In early April, the Southern Environmental Law Center estimated the turbines could produce, in a year, between 1,200 and 2,000 tons of nitrogen oxides, a smog-forming pollution associated with poor respiratory health in nearby areas, as well as the carcinogen formaldehyde.—Taylor Kate Brown, ProPublica, 17 Sep. 2025 Indeed, orbiting Earth-observation satellites routinely use lasers for light-detection and ranging (lidar) on the planet's surface, despite the clouds and smog, while Chinese scientists have recently conducted the first ever daytime laser-ranging experiment from Earth to the moon.—Keith Cooper, Space.com, 15 Sep. 2025 See All Example Sentences for smog
About 15 miles away, a National Geographic cruise ship carrying around 150 passengers and crew started to move backward, pulled by suddenly shifting currents through an eerie fog.
—
Ella Nilsen,
CNN Money,
22 Oct. 2025
Patchy dense fog will result in sudden changes in visibility.
For players, the potential advantages include a much larger accessible library, the combination of local hardware, cloud, and PC options in a single device, and stronger peripheral and mod support typical of Windows.
—
Alex Harrington,
MSNBC Newsweek,
28 Oct. 2025
Chilly air and clouds will be rolling into the Greater Cincinnati area for the last week of October.
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