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What pollutes the indoor air?

time:2016-01-26 16:04from:Airbus Author:sea hits:

The outdoor air – through the ventilation system enters exhaust fumes, pollution from industries, mould, allergens, pollen, radon, pesticides, micro/nano particles, etc into the house or premises. 
Construction material – can secrete poisonous gas (radon), raw material, asbestos-containing insulation, wet or damp carpet, and furniture etc. It can also collect particles, bacteria, virus, mould, etc. These are a few of the effects that go under the name “Sick Building Syndrome” (SBS). Other pollutants are products for; central heating and cooling systems and humidification devices. 
The human being – leaves remains from skin, hair, fibre & dust from clothes, dirt from shoes, etc. Furthermore we pollute more by smoking, cooking, lighting fires, keeping pets, household cleaning and maintenance, personal care and hobbies. 
Oxygen ions – human activities and pollution generates positive charged ions, which result in an unnatural imbalance of ions, which has been proven to cause health problems.