한국환경보건학회지 (Journal of Environmental Health Sciences)

  • 제48권1호
  • /
  • Pages.44-51
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  • 2022
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  • 1738-4087(pISSN)
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  • 2233-8616(eISSN)
한국환경보건학회 (Korean Society of Environmental Health)
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IoT 기반 시내버스 실내공기질 노출 특성

Exposure Characteristics of Indoor Air Pollutants in Some Local Pubic Buses

  • 김호현 (평택대학교 ICT융합학부 ICT환경융합전공)
  • Kim, Ho-Hyun (Department of Information, Communication and Technology Convergence, ICT Environment Convergence, Pyeongtaek University)
  • 투고 : 2022.01.28
  • 심사 : 2022.02.17
  • 발행 : 2022.02.28
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초록

Background: Air pollution is increasing together with industrialization and urbanization. In order to reduce air pollution, public transportation is recommended rather than private cars, and the number of passengers using public transportation is increasing accordingly. This study observes the concentration of indoor pollutants in city buses over time. Through this means, we intend to suggest a plan to manage the indoor air quality in city buses. Objectives: The concentration of indoor pollution in public transportation was investigated from April 2021 to January 2022. Based on this, we evaluated the exposure to indoor pollutants. Methods: Six city bus lines in an industrial city were selected for the research, and indoor pollution was measured through IoT (Internet of Things)-based sensor-type measuring devices. The concentration of pollutants was measured every minute, and statistical data were constructed based on the measurement results. Results: In all the city buses studied, the average concentration of pollutants were below the guidelines. However, some measurement results showed cases of exceeding the guidelines. As a result of the analysis by time zone, there were more cases in which pollutants exceeded the standard value during rush hour compared to at other times. A risk assessment for PM10 was performed by evaluating the excess mortality risk from exposure and the risk from inhalation exposure. Conclusions: All measured indoor pollutants in the city buses did not exceed the guidelines. Also, the risk assessment results were found to be within the level of safety. However, if a city bus is used for a long time, there is a possibility that there may be an impact on the human body due to inhalation exposure, so additional management is required.

키워드

과제정보

이 논문은 2020학년도 평택대학교 학술연구비의 지원에 의하여 연구되었습니다.

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