smog
🇺🇸
/smɑːɡ/
🇬🇧
/smɒɡ/
dirty air that looks like a mix of smoke and fog, often in cities
The city has high smog levels from car exhaust and factory smoke.
この都市は自動車の排気ガスと工場の煙でスモッグのレベルが高い。