Indoor Pollutants and Sources
Indoor pollution sources that release gases or particles into the air are the primary cause of indoor air quality problems. There are many sources of indoor air pollution – everything from building materials and household cleaner to biological pollutants such as dust mites and pet dander. Below are some of the most common indoor air pollutants with links to additional information for each.
Pollutants
- Biological Contaminants
- Carbon Monoxide (CO) (available in several languages)
- Indoor Particulate Matter (PM)
- Indoor Microbiome
- Mold and Moisture
- Nitrogen Dioxide (NO2)
- Pesticides
- Radon
- Secondhand Smoke and Aerosols
- Volatile Organic Compounds (VOCs)
Sources
Other EPA Resources
- Asbestos
- Formaldehyde
- Lead
- Wood Smoke - Burn Wise Program
Tour the Interactive IAQ House
Learn how to improve the air in your home. Room-by-room, you'll learn about the most common pollutants and how to address them.