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<p>Indoor air pollution poses a significant health hazard in low-income neighborhoods with densely populated areas in Dhaka, due to low levels of ventilation and a lack of green space, leading to high exposure to fine particulate matter (PM2.5). This study was conducted to assess the potential of common house plants: Areca Palm (<i>Dypsis lutescens</i>), Rubber Plant (<i>Ficus elastica</i>) and Golden Pothos (<i>Epipremnum aureum</i>), which were tested in pairs to assess their association with the changes of indoor PM2.5 concentrations and the air quality index (AQI) during pre-monsoon, monsoon and post-monsoon seasons. The Areca Palm-Rubber Plant combination implies probable improvement, with a PM2.5 reduction of 18.8% (pre-monsoon), 17.0% (monsoon) and 25.4% (post-monsoon), which corresponds to a decrease in AQI values of 10–22 points consistent with a change in the initial air quality (IAQ) conditions from "moderate" to "good". Seasonal effects were the largest during the post-monsoon, when PM2.5 levels were lower in the ambient air. Species-specific leaf features may have affected removal efficiency: high transpiration rates and leaf structure accounted for the higher capture of the Areca Palm, whereas broad and waxy leaves may have promoted particulate deposition in the Rubber Plant. Repeated measures analysis of variance (RM ANOVA) suggested that there were significant differences in PM2.5 levels between plant pairings in all seasons (<i>p</i> &lt; 0.05). Overall, the results suggest that strategic placement of house plants that are readily available could offer a nature-based intervention for improving indoor air quality to meet urban public health and sustainability targets (SDGs 3 and 11).</p> Graphical Abstract <p></p>

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Evaluating the Efficacy of Some Common Houseplants in Improving Indoor Air Quality in Urban Dhaka, Bangladesh: A Seasonal Assessment

  • 期刊论文

  • 发表日期：

    2026年2月25日

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  • Md. Arifur Rahman Bhuiyan,
  • Mst. Liza Akter Setu,
  • Nusrat Fardin Arpita,
  • Nabiha Tahsin,
  • Sanjida Rahman Sharmin

摘要

Indoor air pollution poses a significant health hazard in low-income neighborhoods with densely populated areas in Dhaka, due to low levels of ventilation and a lack of green space, leading to high exposure to fine particulate matter (PM2.5). This study was conducted to assess the potential of common house plants: Areca Palm (Dypsis lutescens), Rubber Plant (Ficus elastica) and Golden Pothos (Epipremnum aureum), which were tested in pairs to assess their association with the changes of indoor PM2.5 concentrations and the air quality index (AQI) during pre-monsoon, monsoon and post-monsoon seasons. The Areca Palm-Rubber Plant combination implies probable improvement, with a PM2.5 reduction of 18.8% (pre-monsoon), 17.0% (monsoon) and 25.4% (post-monsoon), which corresponds to a decrease in AQI values of 10–22 points consistent with a change in the initial air quality (IAQ) conditions from "moderate" to "good". Seasonal effects were the largest during the post-monsoon, when PM2.5 levels were lower in the ambient air. Species-specific leaf features may have affected removal efficiency: high transpiration rates and leaf structure accounted for the higher capture of the Areca Palm, whereas broad and waxy leaves may have promoted particulate deposition in the Rubber Plant. Repeated measures analysis of variance (RM ANOVA) suggested that there were significant differences in PM2.5 levels between plant pairings in all seasons (p < 0.05). Overall, the results suggest that strategic placement of house plants that are readily available could offer a nature-based intervention for improving indoor air quality to meet urban public health and sustainability targets (SDGs 3 and 11).

Graphical Abstract