smog

(redirected from smoggiest)
Also found in: Dictionary, Thesaurus, Encyclopedia.

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 ?
Burke's initiative is in response to new research that found that children who grew up in the smoggiest areas of Southern California were more likely to have weaker lungs, a chronic problem that could make them more susceptible to health problems in their 40s and 50s.
The early June announcement comes at the beginning of Minnesota's smoggiest season -- summer -- when heat and sunlight combine with pollutants to create ground-level ozone, or smog.
The Department of Water and Power's environmental program was ostensibly set up to show how the nation's smoggiest city was responding to the growing public demand for more efficient and environmentally friendly energy sources.
For the fourth consecutive year, four California metropolitan areas -- Los Angeles, Fresno, Bakersfield, and Visalia-Tulare-Porterville -- top the list of America's smoggiest cities, followed by Houston-Galveston-Brazoria, Texas.
The Los Angeles region has long held the title of smoggiest region, but only over the past decade have the health community, researchers and regulators begun to see particulate matter as a potentially more dangerous pollutant.
Four of the top five smoggiest metropolitan areas are in California, with Los Angeles-Riverside-Orange County leading the list, followed by Fresno, Bakersfield, Visalia-Tulare-Porterville and the Texas region of Houston-Galveston-Brazoria.
South Coast Air Quality Management District officials said they need the 2010 deadline - and the penalties it carried for violating it - to spur dramatic pollution cuts from vehicles, trucks, ports and other industrial polluters in the nation's smoggiest region.
Los Angeles - the nation's smoggiest city - likely will have until 2021 to meet a strict new standard for ozone emissions under a plan Environmental Protection Agency officials will announce today.
During a series of soaring temperatures last summer, Houston took the title of the nation's smoggiest city, an honor long bestowed to the city of Los Angeles.
California air regulators raised the stakes Monday in their power struggle with federal lawmakers and the Bush administration over the right to set tough new rules to cut air pollution in the nation's smoggiest cities.
MTBE has been hailed as the workhorse of California's cleaner burning gasoline program and its use has contributed to a demonstrated reduction in air pollution in the state's smoggiest cities.
This summer was Southern California's smoggiest in five years, adding to the need to seek innovative ways to reduce air pollution, Vander Borght said.