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15 houseplants for improving indoor air quality

By: Julie Knapp on March 1, 2010, 11:50 a.m.
Snake Plant

Photo: madabandon/Flickr

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Snake plant (Sansevieria trifasciata 'Laurentii')

Also known as mother-in-law’s tongue, this plant is one of the best for filtering out formaldehyde, which is common in cleaning products, toilet paper, tissues and personal care products. Put one in your bathroom — it’ll thrive with low light and steamy humid conditions while helping filter out air pollutants.