Houseplants Can Improve Air Quality Indoors, But By How Much?

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If you live or work in a small, poorly ventilated space, consider getting a few potted plants. Although they don’t really help reduce carbon dioxide levels, houseplants remove significant amounts of nitrogen dioxide (NO2), which can weaken one’s respiratory system. Some houseplants that researchers have found to have this striking ability are the peace lily, dragon tree, and ZZ plant. They were found to have reduced peak NO2 concentrations by 20% in a small, poorly ventilated space, while larger and better-ventilated areas have reduced effects. Read full article here

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