
Do Plants Really Purify Indoor Air?
There’s a popular belief that certain plants, whether kept indoors or outdoors, can help purify the air by reducing pollutants. But is that really true?
NASA once conducted a study that suggested some plants can purify the air in sealed indoor spaces. However, that research was done in very small, controlled environments—more like tiny chambers than real homes. According to calculations by the Environmental Protection Agency (EPA), based on that study, you would need around 680 plants to significantly purify the air in a typical home. Clearly, that’s not a practical solution for most of us.
Indoor plants
So, do plants in homes, balconies, rooftops, or small front yards offer us any real health benefits? What does medical science say?
The Harsh Truth About Pollution
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