air pollution

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air pol·lu·tion

contamination of air by smoke and harmful gases, mainly oxides of carbon, sulfur, and nitrogen, as from automobile exhausts, industrial emissions, or burning rubbish.
See also: smog.

air pollution

The presence in the air of substances suh as carbon monoxide (CO), NO2, ozone, particulate matter, and SO2, which are byproducts of human activities, and which have an adverse effect on health. Fine (diameter ≤2.5 µm) particles are derived primarily from the combustion of fossil fuels in transportation, manufacturing, and power generation, and are mixed with soot, acid condensates, nitrate and sulfate particles, and may pose a greater risk to health as they are generally more toxic and can be inhaled deeply into the lungs; there is a significant association between fine particulate air pollution and deaths from cardiopulmonary disease, lung cancer, and other causes.
Health effects of air pollution Respiratory complaints, restricted activity, chest discomfort, sore throats, eye irritation; CO and ozone are linked to heart malformations and heart valve defects.

air pol·lu·tion

(ār pŏ-lū'shŭn)
Contamination of air by smoke, particulate matter, and harmful gases, mainly oxides of carbon, sulfur, and nitrogen, as from automobile exhausts, industrial emissions, and burning rubbish.
See also: smog

air pollution

the presence of contaminants in the form of dust, fumes, gases or other chemicals in the atmosphere in quantities which adversely affect living organisms. See ACID RAIN.

Patient discussion about air pollution

Q. where would i find list of all the "clean" cities and the rates of air pollution ...?

A. i don't know about a list of "good" cities, but i know a list of the worse cities for Asthmatic people!-
http://www.webmd.com/asthma/news/20050215/americas-worst-asthma-cities

More discussions about air pollution
References in periodicals archive ?
The alternative C:C displacement ratio that compares the reductions in fossil fuel emissions (the output) to the amount of carbon in the wood used (the input) is shown in Figure 2.
and I, for one, believe we can do better." Mr Bradley said major action needed to be taken to stop the world's fossil fuel emissions growing from the present seven gigatonnes a year to 14 gigatonnes a year by 2050.
John Morris, head of corporate and community affairs at BIA, added: "Using these economic aircraft on a domestic hop helps cut down on fuel emissions and saves the car journey from some other Scottish airports to Dundee.
All nonroad diesel engines tested at EPA's National Vehicle and Fuel Emissions Laboratory during the initial round met their expected emissions limits.
In a Fresno, California US District Court last week, Judge Anthony Ishii agreed to delay trail in the auto industry's suit against the state for setting tougher fuel emissions standards than the federal government.
The CityHome program, a national partnership between public and private entities that promotes reducing diesel fuel emissions, is paying for the conversions.
Steel has been secured and construction is finally due to begin in the next few months on the first phase of Destiny USA, a 850,000 s/f mixed use space green mega mall, a project that when complete could attain the seemingly impossible ideal of running on absolutely no oil or fossil fuel emissions.
The savings on fuel and man hours (not to mention fuel emissions) should cover the cost of paying the kids, after all, the recycling lorries would only have to pick up from local centres rather than go to every house in the country.
European firms pay voluntary offsets for fuel emissions. Many European companies pay voluntary offsets, or investments in nonpolluting energy projects, when their employees fly on commercial airlines.
One of the driving forces for Herling's lab is to develop new technology to analyze diesel fuel emissions and develop reduction measures.
They are signing pledges to do whatever their cities can to reduce fossil fuel emissions and more.