Joint studies by NASA and the Associated Landscape Contractors of America (ALCA) estimate that a group of 15 to 20 of the plants listed below can remove harmful pollutants from the interior of an 1,800-square-foot house.
1. Bamboo palm (Chamaedorea erumpens)
2. Chinese evergreen (Aglaonema spp.)
3. Chrysanthemum (Chrysanthemum spp.)
4. Dracaena (Dracaena spp.)
5. English ivy (Hedera helix)
6. Ficus (Ficus spp.)
7. Gerbera daisy (Gerbera jamesonii)
8. Golden pothos (Epipremnum aureum)
9. Mother-in-law’s tongue (Sansevieria trifasciata)
10. Peace lily (Spathiphyllum spp.)
11. Philodendron (Philodendron spp.)
12. Spider plant (Chlorophytum comosum)