Oh yes, it's widely known that indoor plants improve the air quality as well as using up carbon dioxide and giving off oxygen. Shopping malls and office buildings always have large numbers of plants growing indoors.
Yes, Snake plants (Sanseveria) and other epiphytes like orchids and bromeliads are the best at doing this, because they take a lot of their nutrients from the air, but any plant will help with air quality. All plants use CO2 and produce oxygen.
Heres the link to the NASA study done in 1989 at Stennis Space Center in Mississippi.
http://ntrs.nasa.gov/archive/n...
