New State University of New York research shows that if you don't have a good ventilation system, indoor plants can be the go to clean chemicals like ammonia from the air.
Paint, furniture, cleaning supplies and other common household objects can also give off high quantities of harmful gases like acetone and formaldehyde.
Testing of 5 different common indoor plants shows that some species are better air purifiers than others.
Bromeliads, the family of tropical plants that includes pineapples, may be the best general-use air purifier.
Of course the big problem is keeping your indoor plants alive.