Long-term field comparison of multiple low-cost particulate matter sensors in an outdoor urban environment

Florentin Bulot, Steven Johnston, Philip J Basford, Hazel Celeste Easton Natasha, Mihaela Apetroaie-Cristea, Gavin Foster, Andrew Morris, Simon Cox, Matthew Loxham

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Abstract

Exposure to ambient particulate matter (PM) air pollution is a leading risk factor for morbidity and mortality, associated with up to 8.9 million deaths/year worldwide. Measurement of personal exposure to PM is hindered by poor spatial resolution of monitoring networks. Low-cost PM sensors may improve monitoring resolution in a cost-effective manner but there are doubts regarding data reliability. PM sensor boxes were constructed using four low-cost PM micro-sensor models. Three boxes were deployed at each of two schools in Southampton, UK, for around one year and sensor performance was analysed. Comparison of sensor readings with a nearby background station showed moderate to good correlation (0.61
Original languageEnglish
Article number7497
Number of pages13
JournalScientific Reports
Volume9
DOIs
Publication statusPublished - 16 May 2019

Keywords

  • particulate matter
  • Sensor Networks
  • Citizen Science
  • exposure
  • Air Pollution
  • RCUK
  • NERC
  • BBSRC
  • EPSRC
  • NE/L002531/1
  • BB/P011365/1
  • EP/P004024/1

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