Indoor air pollution
Usually we think that air pollution is outdoors, but the air in the home or office may also be contaminated. Indoor pollution sources include:
- Mold and pollen
- Tobacco smoke
- Household products and pesticides
- Gases such as helium and carbon monoxide
- Building materials such as asbestos, formaldehyde and lead
Usually indoor air quality problems can only cause discomfort. Most people will feel much better once they have eliminated the source of pollution. However, some pollutants can cause diseases such as respiratory diseases or cancer after a long time.
Three basic strategies for controlling indoor air pollution
Control pollution source
In general, the most effective way to improve indoor air quality is to eliminate individual sources or reduce their emissions. Some sources of pollution, such as sealing or sealing products containing asbestos sources; others are adjusting gas stoves to reduce emissions.
Open windows and doors, adjust windows or attic fans if weather permits. A fan in the bathroom or kitchen directly vents indoor air to the outside to remove contaminants and also increases outdoor air ventilation.
The effectiveness of an air purifier depends on the extent to which it collects contaminants in the indoor air and the amount of air that is drawn through the cleaning or filter elements. Another important factor in determining the effectiveness of an air purifier is the intensity of the source.
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