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  2. Do Houseplants Really Purify the Air? An Expert Finally ... - AOL

    www.aol.com/houseplants-really-purify-air-expert...

    The idea of plants having purifying powers comes from the 1989 Clean Air Study conducted by NASA, which found that certain plants removed health-harming pollutants from indoor environments. But ...

  3. NASA Clean Air Study - Wikipedia

    en.wikipedia.org/wiki/NASA_Clean_Air_Study

    Since the release of the initial 1989 study, titled A study of interior landscape plants for indoor air pollution abatement: An Interim Report, [6] further research has been done including a 1993 paper [7] and 1996 book [8] by B. C. Wolverton, the primary researcher on the original NASA study, that listed additional plants and focused on the removal of specific chemicals.

  4. Do Air Purifiers Actually Work? Here's What Experts Say - AOL

    www.aol.com/air-purifiers-actually-heres-experts...

    In fact, indoor air can hold levels of certain pollutants that are up to five times higher than found outdoors. Air purifiers can indeed neutralize some of the risks posed by indoor air pollution ...

  5. 5 best lab-tested air purifiers - AOL

    www.aol.com/news/5-best-lab-tested-air-144708356...

    We tried top-rated, lab-certified air purifiers from brands like Blueair, Instant and more. Skip to main content. 24/7 Help. For premium support please call: 800-290-4726 more ways to ...

  6. Air purifier - Wikipedia

    en.wikipedia.org/wiki/Air_purifier

    An air purifier or air cleaner is a device which removes contaminants from the air in a room to improve indoor air quality. These devices are commonly marketed as being beneficial to allergy sufferers and asthmatics , and at reducing or eliminating second-hand tobacco smoke .

  7. Chrysanthemum × morifolium - Wikipedia

    en.wikipedia.org/wiki/Chrysanthemum_×_morifolium

    This plant can be noted for its popularity as an indoor houseplant in part because of its air cleaning qualities as per a study done by NASA, removing trichloroethylene, benzene, formaldehyde, ammonia, and other chemicals from the air. [11] In general, the plant is best fertilized once a month and watered two to three times a week depending on ...