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Ozone Production From Lightning
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INDOOR AIR QUALITY FACTS
- People spend 75-90% of their time indoors.
- Exposure to airborne contamination is considerable
- 50% of all major office buildings have contaminated heating, ventilation and air conditioning systems (HVAC). If not properly maintained, they are a hotbed for growth of molds and bacteria.
- Each person inhales over3,500 gallons of air each day. Children inhale more particles for their size then adolescents or adults.
- Polluted air causes 94% of all respiratory problems.
- More than 31 million Americans have been diagnosed with asthma, about 1/3 are children under the age of 18.
- About 40,000 dust mites, a common household allergen, can live in one ounce of dust.
- An estimated 10-15% of the entire population may be allergic to cat or dog dander.
- A person sheds up to 700,000 skin flakes per day.
