Many people spend up to 90% of their time indoors. Exposure to indoor pollutants such as dust mites, pollen, molds, pet dander, chemicals, air borne viruses and insect debris has increased because buildings are constructed more "airtight", while the use of chemicals in household cleaners, construction materials, and pest control products has increased.

Airborne particles include:

• Allergens, such as dust mites, pet dander, pollen, mold and dust. Allergens can cause allergic reactions, respiratory problems and asthma attacks.
• Biological particles, such as bacteria, viruses, and fungi. They can cause infectious and non-infectious diseases, such as colds, influenza, and respiratory infections.
• Toxic particles, such as cigarette smoke, wood smoke, lead dust and asbestos.

Airtight construction, designed to improve energy efficiency, permits less fresh air to enter the home. High efficiency heating and cooling systems constantly recirculate indoor air causing airborne particles and Volatile Organic Compounds (VOC's) to build up over time.

If someone in your family suffers from asthma, allergies or other respiratory problems, then airborne particles in your home can trigger allergic reactions, respiratory problems, and asthma attacks. People with chemical sensitivity such as children, the sick, and the elderly can also experience similar symptoms when exposed to VOC's found in building materials, furniture, paints and solvents, household cleaners, and fragrances.

Humidity Levels:

High levels of humidity can make your home feel sticky and potentially create a breeding ground for mold, mildew, dust mites and bacteria.



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Sources of Indoor Air pollutants: