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 ?
Earlier, a poster competition on smog and pollution was also held at the varsity.
The commission would look into the causes of smog and also implement the environmental laws to prevent the effects of smog/air pollution.
So, planting sunflower can reduce the continuous persistence of smog," he claimed.
The Met Office has released a weather warning describing the smog - comprising nitrogen oxide, carbon monoxide, sulphur dioxide and other aerosols - as a result of cold high pressure in the upper atmosphere.
Shehbaz also said in the letter that it is in the interest of people from both Punjabs that a collective effort be made towards identifying technologies and business methods that may eliminate the need to burn rice-stubble and help control smog formation.
Court further observed that if smog and pollution level is increased above 300 then health emergency should be declared immediately besides launching measures within 3 months for improvement in smog action plan.
The team would study the Beijing model of electricity developed for smog to implement the same strategy in the smog-hit areas in Pakistan.
Residents of Lahore experienced a dense blanket of smog that caused low visibility and respiratory and eye ailments in addition to other problems.
By Thursday afternoon the smog seemed to have passed thanks to an inrush of cold air.
In Italy, smog was the result of multiple factors and it usually dissipated when the weather changed.
Floriquita Gayo Dela Pena Dulfo, a high school principal in Bislig, Surigao Del Sur, reported on Monday that the smog became visible in the province, which caused concern among students.
Because of weather patterns, most bad air happens in June and July, and the smog season is considered to end in October.