Air Pollution Facts and Figures
- Indoor levels of pollutants may be 2 to 5 times - and occasionally more than 100 times - higher than outdoor pollutant levels.
- People spend 90% of time indoors
- Energy-efficient homes trap pollutants
Sources of Indoor Air Pollution
- Mold and mildew
- Ragweed and pollen
- Tobacco smoke
- Pets and dander
- House dust
- Outside air
- Chemicals in products