Having good indoor air quality is very important, especially since many of us spend so much time inside.
Back in the 1980s, NASA did a study to look at
which plants were best able to filter the air of the space station.
And if it's good enough for the space station...

Click on the links to read on Wikipedia to see which houseplants are best to filter the air
(not only producing oxygen from CO2, but also absorbing benzene, formaldehyde and/or trichloroethylene.)

You don't have to be an astronaut to know that plants produce oxygen. But what you might not realize is that indoor plants
can also absorb contaminants like benzene and formaldehyde (a known carcinogen).
You may also like to get rid of any fake or silk plants, as they only collect dust and harness the environment's natural ability to clean itself.