Synonyms of smog

smog

noun

ˈsmäg 

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

• haze
• fog
• cloud
• mist
• soup
• gauze
• smoke
• reek
• brume
• miasma
• steam
• murk
• fume
• bank
• smother

Example Sentences

Recent Examples of smog

The summer gasoline blend rules, which have been in effect since 1996, are intended to prevent the release of smog-causing particles into the air, the Michigan Department of Agriculture and Rural Development said. — Paula Wethington, CBS News, 29 June 2026

What was once the season of patios and long days has increasingly turned into one of heat advisories, wildfire smoke, and smog alerts. — Alexandra Emanuelli, Travel + Leisure, 28 June 2026

California has long held special authority under the federal Clean Air Act to set stricter emissions standards than the federal government because of the state’s historic smog problems. — Haley Parsley june 22, Sacbee.com, 23 June 2026

Huxley added heatwaves are usually caused by high air pressure systems, leading to less air movement and increasing the build-up of air pollution, with methane and other pollutants reacting to create ground-level ozone – a component of smog. — Jamie Hailstone, Forbes.com, 19 June 2026