This is a rehash of a study NASA did in 1989 [1]. The report still advises activated carbon filters (Usually combined with HEPA for particulates) as the proper

This is a rehash of a study NASA did in 1989 [1]. The report still advises activated carbon filters (Usually combined with HEPA for particulates) as the proper way of cleaning up large volumes of air i.e. you'd need a lot of plants to have a meaningful result in a regular home. [1]: https://ntrs.nasa.gov/api/citations/19930073077/downloads/19930073077.pdf https://ntrs.nasa.gov/api/citations/19930073077/downloads/19... Older looking version: https://ntrs.nasa.gov/citations/19930072988 https://ntrs.nasa.gov/citations/19930072988