In many peopleâ€™s mind air pollution is associated with contamination of urban air from automobiles exhaust and industrial influents. But every year the indoor air pollution is responsible for the death of 1.6million people ,that is a death in every 20 second .Exposure is high among women and children who spend most of their time near the domestic hearth .
The severity of indoor air pollution is aggravated by the fact that the more than half worldâ€™s house wife cook their food on unprocessed solid fuels , buildings are built more air tightly to save money spent on heating and cooling .At the same time people are using more and more irritating products such as hair spray , other cleaning detergents pesticides and other which are harmful to health.
Indoor air pollution is the presence of one or more contaminants indoors that carry a certain degree of human health risk. Indoor air issues may be traced to the beginning of civilization. Prehistoric records note the problem of smoke in caves. However, over the last three decades the public has become more aware of indoor air pollution. Various studies show that people spend 65 to 90 percent of their time indoors; 65 percent of that time is spent at home. Field studies of human exposure to air pollutants indicate that indoor air levels of many pollutants may be two to five times, and on occasion more than one hundred times, higher than outdoor levels.
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