noun
- a mixture of smoke and fog that pollutes the air, especially in cities
Examples
- The smog was so thick that we could barely see the buildings across the street.
- Los Angeles is famous for its smog problems during the summer months.
- The factory emissions contributed to the heavy smog hanging over the city.
- On clear days, you can see the mountains, but smog often blocks the view.
- The government issued a smog alert warning people to stay indoors.
- Car exhaust and industrial pollution create dangerous smog in urban areas.