Category Archives: Air Quality

How Many Plants Do I Need to Clean Indoor Air?

  The now famous 1989 NASA study has initially recommended at least one plant per 100 square feet of indoor space. Dr. Wolverton, the scientist behind the NASA study, has since recommended at least two “good sized plants” per 100 square feet in a home. Although, more is better if possible, according to his recommendation. However, we should take this […]