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

Even a partial dismantling of the rules would mean more pollutants such as smog, mercury and lead — and especially more tiny airborne particles that can lodge in lungs and cause health problems, the AP analysis found. — ABC News, 14 Sep. 2026

Those pollutants can irritate the lungs, worsen asthma, and form ground-level ozone, the main ingredient in smog, which builds quickly in the heat of a Mid-South summer. — Austyn Gaffney, Scientific American, 9 Sep. 2026

Nobody is saying the health risks from a terpene smog in our kitchen are equivalent to a picnic by a city intersection. — Mike McRae 03, New Atlas, 4 Sep. 2026

Within just hours of being emitted, this mixture reacts to form ground-level ozone, which can irritate the lungs and is a key component of smog. — Michael A. Robinson, The Conversation, 25 Aug. 2026