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Ambient air pollution and health
1Department of Hygiene and Epidemiology, University of Athens Medical School, Athens, Greece. kkatsouy@med.uoa.gr
British Medical Bulletin
|February 6, 2004
Summary
Air pollution, even at current levels, causes adverse health effects and increases mortality. Epidemiological studies show significant public health burdens from both particle and gaseous pollutants.
Area of Science:
- Environmental Health
- Epidemiology
- Public Health
Background:
- Severe air pollution episodes in Europe and North America before the 1960s led to widespread acknowledgment of adverse health effects.
- Despite decreased pollutant levels in some regions, current air pollution remains a significant health concern.
Purpose of the Study:
- To summarize evidence linking current air pollutant levels to adverse health outcomes.
- To highlight the public health burden associated with widespread air pollution exposure.
Main Methods:
- Primarily based on epidemiological studies conducted over the last 15 years.
- Analysis of health effects associated with ambient particle concentrations and gaseous pollutants like ozone, NO2, and CO.
Main Results:
- Consistent evidence links current air pollutant levels to both long-term and short-term adverse health effects, including increased mortality.
- Substantial evidence exists for health impacts from both particulate matter and gaseous pollutants (ozone, NO2, CO).
Conclusions:
- Air pollution exposure, despite potentially weak relative risks, imposes a considerable public health burden due to its ubiquitous nature.
- Continued research and public health interventions are necessary to mitigate the health impacts of air pollution.