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Top Plants for Clean Indoor Air

===Spacing===
It is suggested that one plant should be allowed for about 10 square yards (or meters) of floor space, assuming average ceiling heights of 8-9 feet (up to 3 meters). This means that you need two or three plants to contribute to good air quality in the average domestic living room of about 20 to 25 square yards (20-25 square meters).

===Best air cleaners===
Research (including by NASA) has shown that these plants are some of the most effective all-around in counteracting offgassed chemicals and contributing to balanced internal humidity.

* Areca palm
* Reed palm
* Dwarf date palm
* Boston fern
* Janet Craig dracaena
* English ivy
* Australian sword fern
* Peace Lily
* Rubber plant
* Weeping fig
* Bamboo Palm
* Chinese Evergreen
* Gerbera Daisy
* Dracaena Marginata
* Mass cane/Corn Plant (Dracaena Massangeana)
* Mother-in-Law's Tongue
* Pot Mum
* Warneckii (Dracaena "Warneckii")