Air pollution still causing health problems in Europe
GreenFacts releases World Health Organization findings that show improvements and continued cause for concern.
(PRWEB) September 9, 2005
Air quality has improved in most European countries over the last few decades. Yet, even at current levels, air pollution may aggravate respiratory diseases, shorten life expectancy by up to several months, and possibly increase infant mortality in highly polluted areas.
In October 2005 the World Health Organization (WHO) will reconsider current air quality guidelines. Does the latest research warrant new standards to better protect our health? To answer this key question, WHO experts closely examined three air pollutants that are known to be harmful: particulate matter, nitrogen dioxide, and ozone.
GreenFacts now provides non specialists with easy access to these recent scientific findings at www. greenfacts. org/air-pollution/ (http://www. greenfacts. org/air-pollution/), in a reader-friendly structure.
Particulate matter: small is harmful
Air can be contaminated by a range of very different particles such as dust, pollen, soot, smoke, and liquid droplets. Many of them can harm our health, especially smaller particles that may enter deeper into the lungs. Particularly vulnerable people, such as children or asthmatics, may be affected even at very low levels. MoreÂ
Nitrogen dioxide: mainly traffic related
In Europe, nitrogen dioxide (NO2) pollutes the air mainly as a result of road traffic and energy production. People living near busy roads are thus particularly affected. Apart from giving rise to acid rain and other air pollutants, current levels of NO2 can increase respiratory problems, particularly in children. MoreÂ
Ground level ozone: the effect of the sun
Unlike the ozone layer which shields us from UV rays, ground level ozone is considered an air pollutant. It becomes particularly prevalent on sunny summer days when other pollutants react under the action of sunlight. Exposure to ozone mainly affects the lungs, but it can also affect the eyes, and worsen respiratory allergies. MoreÂ
The combined effects of different urban air pollutants remain uncertain. However, recent research regarding human health impacts of particulates, ozone and nitrogen oxide suggests a need to further reduce pollution levels in EuropeÂ’s atmosphere.
Access GreenFacts, the one-stop source for scientific information on air pollutants and other health and environment issues.
GreenFacts Air Pollution Study
Source documents of this study by the WHO Regional Office for Europe
“Health Aspects of Air Pollution” (2003) & “Answers to follow-up questions from CAFE” (2004)
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