Volatile organic compounds (VOCs) are a diverse group of gaseous chemicals emitted from various household and natural sources. They are often responsible for the characteristic smells of perfumes, ...

An air purifier next to a sofa. A display screen on top of it shows various measurements and a horizontal strip of green lights glows on the side. Credit: Shutterstock Air cleaners, or devices ...

Currently, there is no standard set for VOCs, but studies have found that levels of several organics average 2 to 5 times higher indoors than outdoors. If something smells, there's a good chance it's ...