noun · neutral

smog

UK/smɒɡ/US/smɔːɡ/SMOG

Band 5-6speakingtask2

a type of air pollution that is a mixture of smoke and fog, often seen in cities

Examples

On cold, windless mornings the city was often covered in smog.

Authorities issued a smog warning and advised people to stay indoors.

Reducing vehicle emissions is key to tackling urban smog.

Band 8 sentence

During prolonged temperature inversions, cities can experience severe smog episodes that endanger public health and strain hospital services.

Collocations

  • smog alert
  • heavy smog
  • smoggy morning

Word family

smog nounsmoggy adjective

Common mistakes

The city had many smokes this winter.The city had heavy smog this winter.

Say it for a higher band

5air pollution6haze7+smog

Synonyms

haze

Easily confused

haze

A light haze hung over the valley in the morning.

Related words

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In Environment & Climate

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