In the late 80's, NASA and ALCA (Associated Landscape Contractors of America) conducted a 2 year study on 19 house plants. Each plant was placed in a closed chamber in which air pollutants where injected. A detailed list of the pollutants that each plant is capable of removing is listed in this Wiki page: http://en.wikipedia.org/wiki/List_of_air-filtering_plants. The results were quite astonishing. Here's the list of plants that are recommended by this study to purify indoor and outdoor air quality:
In the late 80's, NASA and ALCA (Associated Landscape Contractors of America) conducted a 2 year study on 19 house plants. Each plant was placed in a closed chamber in which air pollutants where injected. A detailed list of the pollutants that each plant is capable of removing is listed in this Wiki page: http://en.wikipedia.org/wiki/List_of_air-filtering_plants. The results were quite astonishing. Here's the list of plants that are recommended by this study to purify indoor and outdoor air quality: