smog


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Related to smog: photochemical smog, acid rain

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

a polluting combination of smoke and fog in the atmosphere.

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]

smog

smoke-laden fog, a form of environmental pollution.
References in periodicals archive ?
John said: "I think pubs get plenty of bad press but The Golden Smog, like many other pubs, is a community centre of sorts.
high pressure which created inversion, with warmer air above the cooler air, eectively trapping the smog over the the Tyne Asthma UK said: "When air pollution is high it's vital people with respiratory conditions carry their reliever inhaler with them at all times, and ensure that they are taking their preventer inhaler every day.
In some Nepal-India bordering areas, smog blankets can be seen from early evening," he said.
We often think of smog as an environmental ill--a side effect of higher temperatures brought on by global warming.
Ministry of Health 1954) proposed that an influenza epidemic caused the elevated mortality, although those authors recognized that some deaths in the months after the smog could be related to the air pollution from the episode.
tipped off by another Smog Check shop whose owner complained that S
It is these so-called gross polluters that California and other states are trying to target with their new smog check programs.
As for Ray's second claim, hydrocarbons contribute to increasing the level of ozone in smog by a very indirect route.
Then, in a 1966 study, Miller and his colleagues sought a typical test area where they could observe smog damage over a period of years.
With more than 400 smog check stations currently registered, www.
Because of weather patterns, most bad air happens in June and July, and the smog season is considered to end in October.
Check your local weather reports for air quality, including smog and pollen counts, before spending time out of doors.