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Devac  ·  1845 days ago  ·  link  ·    ·  parent  ·  post: Houseplants Don’t Actually Clean the Air

Important fact that wasn't addressed by either party: ozone synthesis and diffusion are severely hindered by humidity, for similar reasons as to why experiments with electrostatics (e.g. rubbed amber lifting confetti) work better in dry air. Dry air also causes stomata on plant leaves to rapidly shut close, which naturally would reduce their potential for air exchange.