Indoor Air Quality
Air Quality
Indoor pollution sources that release gases or particles into the air are the primary cause of indoor air quality problems
in homes. Inadequate ventilation can increase indoor pollutant levels by not bringing in enough outdoor air
to dilute emissions from indoor sources, and by not carrying indoor air pollutants out of your home.
High temperature and humidity levels can also increase concentrations of some pollutants.
Biological Contaminants includes:
- bacteria
- molds
- mildew
- viruses
- animal dander and saliva
- dust mites
- cockroaches
- pollen
There are many sources of these pollutants. Pollen originate from plants, viruses are transmitted by people and animals. Bacteria are carried by people, animals and air flow. Household pets are sources of animal dander and they track in additional elements from the exterior. The protein in urine from rats and mice is a potent allergen. When it dries, it can become airborne. Contaminated central air handling systems can become breeding grounds for mold, mildew
and other sources of biological contaminants and will distribute these contaminants throughout your home.
Source EPA
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