smog

Definitions

Fog that has become heavily polluted and darkened by smoke and chemical emissions.

A form of air pollution characterized by a mixture of smoke and fog, often occurring in urban areas.

Examples

The city skyline was barely visible through the thick layer of smog.

Prolonged exposure to heavy smog can lead to serious respiratory problems.

Synonyms

haze fog pollution smoggy air mist fume smoke

Antonyms

clarity purity freshness clearness transparency clean air lucidity