smog

IPA: smˈɑg

A noxious mixture of particulates and gases that is the result of urban air pollution.

(informal) To get a smog check; to check a vehicle or have it checked for emissions.

Examples of "smog" in Sentences

The term smog was first used in 1905 to describe the conditions of fog that had soot or smoke in it.
True, the smog is not quite so thick and unhealthy as in Monterrey itself, but over time will prove intolerable. jerezano
In general the term smog has become connected to a situation where visibility is significantly impaired as a result of local air pollution.
The term smog, a contraction of smoke and fog, was introduced in 1905 by Dr. H.A. des Vœux to describe the mixture of soot, sulfuric acid, and other pollutants in emissions from coal furnaces in London.
I remember when there was real pollution, on most days Los Angeles was so covered in smog you could not see the mountains or the city skyline; trash everywhere, the smell of leaded gas filled our noses.
Estimating the economic cost of our addiction is difficult; direct subsidies to oil and oil using systems are often complex and artfully concealed but estimates calculate the subsidy at around $20 per barrel of oil; but what "cost" should we add for a child who develops asthma from breathing in smog?