Houseplants are awesome indoor air cleaners, but some of them are more effective than others at filtering out pollutants and toxic chemicals in the air. This infographic highlights the best air-filtering plants, according to a NASA study. NASA researchers set out to find the best ways to clean the air in space stations. Their Clean Air study found the plants below are effective at removing benzene, formaldehyde, and trichloroethylene, xylene, and ammonia from the air — chemicals that have been linked to health effects like headaches and eye irritation.
More info: NASA