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Impact of Seasonal Trends and External Windows Structures on Both Indoor PM2.5 Pollution Level at Several Residential Buildings in Beijing, China

  • Ziguang Chen
  • Yan WuEmail author
  • Guoqing Cao
  • Xuan Li
  • Mingjian Zhang
Conference paper
  • 235 Downloads
Part of the Environmental Science and Engineering book series (ESE)

Abstract

This paper investigated the variation characteristics of ambient atmospheric PM2.5 and its influence on indoor environment, with considering several monitored residential buildings in Beijing, China. Conditions were considered for the room by air infiltration, with all the external windows closed and no indoor PM2.5 pollution sources. The constant monitoring of both outdoor and indoor PM2.5 mass concentrations was respectively made for one year from March 2016 to February 2017. Meteorological parameters were monitored simultaneously to be correlated with PM2.5 mass concentrations and indoor-outdoor concentration ratios. The results indicated: (1) Size of more than 90% of atmospheric particles were under 1 μm. (2) The monthly-average concentrations of outdoor and indoor PM2.5 tended to be highest in winter, followed by autumn, spring and summer. Additionally, the average I/O ratios in summer were lower compared to other three seasons. (3) PM2.5 mass concentration was significantly influenced by ambient wind speed and relative humidity. However, outdoor temperature played a negligible role in PM2.5 mass concentrations. (4) Better window airtightness will help to keep a high-demanded indoor environment by resisting atmospherics PM2.5 going indoors.

Keywords

Fine particulate matter Air infiltration Seasonal trends and climate conditions Window structures Field measurement 

Notes

Acknowledgements

This work was sponsored by the 13th Five-Year Key Project, Ministry of Science and Technology of China (No. 2017YFC0702800).

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Copyright information

© Springer Nature Singapore Pte Ltd. 2020

Authors and Affiliations

  • Ziguang Chen
    • 1
  • Yan Wu
    • 2
    Email author
  • Guoqing Cao
    • 1
  • Xuan Li
    • 1
  • Mingjian Zhang
    • 1
  1. 1.Institute of Building Environment and Energy Efficiency, China Academy of Building ResearchBeijingChina
  2. 2.CAUPD Beijing Planning & Design Consultants Co.BeijingChina

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