smog

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smog

(smog),
Air pollution characterized by a hazy and often highly irritating atmosphere resulting from a mixture of fog with smoke and other air pollutants.
[smoke + fog]

smog

Photochemical smog Environment An acronym of smoke and fog caused by combustion of often synthetic materials with production of noxious volatile byproducts; smog mortality ↑ substantially when smoke and SO2 levels exceed 750 µg/m3 Clinical Dyspnea, acute exacerbation of COPD; smog triggers asthmatiform Sx–wheezing and markedly ↑ respiratory effort or, if intense, marked cyanosis–PaO2 < 50 mm Hg; PaCO2 50-100 mm Hg, CHF, cor pulmonale. See Air pollution, Bhopal, Clean Air Act, Particular air pollution, Pollution, Yokohama asthma.

smog

(smog)
A hazy and often highly irritating atmosphere resulting from a mixture of fog with smoke and other air pollutants.
[smoke + fog]
References in periodicals archive ?
In line with the history of smog in the greater Pittsburgh area and Donora locally, concomitant with that piece of geography being referred to as the smoggiest city in the world, my hair mineral readings confirm the probable reasons for my childhood ill health.
With nine counties and six metro areas listed among the worst polluted areas of the nation, California continues to earn its title as the smoggiest state, according to American Lung Association rankings.
THE heavily populated capital of Mexico, whose air is one of the smoggiest in the world, is set to become the first city with its own climate action programme.
The Lonely Planet Guide calls Zaporizhzha 'one of the smoggiest places on earth and a place to be avoided'.
Dry cleaning chemicals, pesticides and factory fumes from glues and oils are also a danger in America's smoggiest state.
Last October, the United Nations' Global Environment Facility gave $60 million to supply 46 fuel-cell buses for six of the world's smoggiest cities.
lawmakers and citizens, the air surrounding the nation's smoggiest city is finally going to clear up.
When you add in that the state is 46th in spending on water quality, so low that it hasn't even tested many of its rivers for pollutants, and that Houston has recently begun surpassing Los Angeles as the nation's smoggiest city, Bush's claims to environmentalism face an uphill battle.