26 November, 2020

Candle Before The Wind

Indoor air pollutants, laden with the posonous PM 2.5 and other chemicals, must be combated with activated carbon and HEPA filters

Candle Before The Wind
outlookindia.com
2020-11-21T11:28:33+05:30

When the outdoor air pollution is extremely poor, one may seek refuge in their home assuming that it will provide shelter from the ill effects of the smog outside. But half or more of what one experiences outside is probably penetrating into their  home. Although outdoor air quality gets most of the attention, we must remember that we also experience outdoor pollution while we are indoors—where many people spend 90 per cent of their time.

To make matters worse, the source of air pollution is not limited to the outdoors. We must also contend with indoor air pollutants that can make the air inside even worse than outside.

One source of indoor air pollution is cooking, which introduces fine particulate matter known as PM2.5 and many gases. Cooking is more hazardous in a rural setting where the fuel is firewood, coal, or other biomass. Unvented kitchens can fill up with smoke that can cause respiratory and cardiovascular disease.  In fact, the World Health Organization estimates that nearly 4 million people die prematurely each year from illnesses...

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