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Summary
We usually think of air pollution as being outdoors, but the air in your house or office could also be polluted. Sources of indoor pollution include:
- Mold and pollen
- Tobacco smoke
- Household products and pesticides
- Gases such as radon and carbon monoxide
- Materials used in the building such as asbestos, formaldehyde and lead
Sometimes a group of people have symptoms that seem to be linked to time spent in a certain building. There may be a specific cause, such as Legionnaire's disease. Sometimes the cause of the illness cannot be found. This is known as sick building syndrome.
Usually indoor air quality problems only cause discomfort. Most people feel better as soon as they remove the source of the pollution. However, some pollutants can cause diseases that show up much later, such as respiratory diseases or cancer.
Making sure that your building is well-ventilated and getting rid of pollutants can improve the quality of your indoor air.
Environmental Protection Agency
Prevention and Risk Factors
- Air Cleaners and Air Filters in the Home (Environmental Protection Agency) Also in Spanish
- Ozone Generators That Are Sold as Air Cleaners (Environmental Protection Agency)
- Should You Have the Air Ducts in Your Home Cleaned? (Environmental Protection Agency)
Related Issues
- Office Building Occupant's Guide to Indoor Air Quality (Environmental Protection Agency)
Specifics
- Indoor Air in Homes and Coronavirus (COVID-19) (Environmental Protection Agency)
- Volatile Organic Compounds' Impact on Indoor Air Quality (Environmental Protection Agency)
Clinical Trials
- ClinicalTrials.gov: Air Pollution, Indoor (National Institutes of Health)
Journal Articles References and abstracts from MEDLINE/PubMed (National Library of Medicine)
Find an Expert
- American Lung Association
- Centers for Disease Control and Prevention Also in Spanish
- National Center for Environmental Health (Centers for Disease Control and Prevention)
- National Institute of Environmental Health Sciences Also in Spanish
The information on this site should not be used as a substitute for professional medical care or advice. Contact a health care provider if you have questions about your health.