1989 NASA Clean Air Study

The original paper is here: https://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/199300...

I highly recommend getting a Sansevieria to keep around in the space you spend most of your time. You don't need a green thumb to take care of it-- in fact, it's nearly impossible to kill out of negligence. It's a great accent for modern spaces too.