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According to a study from the University of Colorado at Boulder, basic housework, such as boiling water, cooking or cleaning, can leave your home as polluted as a big city.
Houses must be well ventilated during cooking and cleaning
According to researchers, making a toast for breakfast could contribute to high levels of indoor air pollution.
According to a study from the University of Colorado at Boulder, basic housework, such as boiling water, cooking or cleaning, can leave your home as polluted as a big city.
"Houses have never been considered a major source of outdoor air pollution and the time has come to start exploring them," said Marina Vance, badistant professor at the university.
"Even just toasting toast has caused much higher particle levels than expected," she added.
For the study, Vance used state-of-the-art sensors and cameras to monitor the indoor air quality of a 1,200 square foot prefabricated home. Over the course of a month, the team carried out various daily household activities, including preparing a Thanksgiving dinner. During the experiment, the measured indoor concentrations were high enough that their sensitive instruments should be recalibrated almost immediately.
Vance said that it was obvious that homes needed to be well ventilated during cooking and cleaning because even basic tasks such as boiling water over a stove flame can contribute to high levels of gaseous air pollutants and suspended particulates, with adverse health effects.
In addition, chemicals suspended in the air from a home do not stay there. Volatile organic compounds (VOCs) from products such as shampoos, perfumes and cleaning solutions eventually escape and contribute to the formation of ozone and fine particles, constituting a source of global air pollution yet more important than cars and trucks, explain the researchers. the paper presented at the annual meeting of the AAA 2019 in Washington.
Although many traditional sources, such as fossil fuel vehicles, have become much cleaner than before, the US Environmental Protection Agency monitors ozone and fine particles, but data on suspended toxins in the air such as formaldehyde and benzene as well as compounds such as alcohol and ketones come from home are very rare.
"We need to refocus research efforts on these sources and give them the same attention we have given to fossil fuels." The picture we have in mind about the atmosphere should now include a home. said the researchers.
(This story has not been changed by NDTV staff and is generated automatically from a syndicated feed.)
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