김종범 이승복 우상희 김창혁 이선엽 이재인 배귀남 2026-01-20T07:30:17Z 2026-01-20T07:30:17Z 2026-01-20 2020-09 2288-9167 https://pubs.kist.re.kr/handle/201004/154064 Since 1974, the urban subway has been used as a major form of public transportation in Seoul, Korea. The air quality in the subway environment depends on the introduction of air pollutants from roadway air and its generation is caused by subway operation in the tunnel. In the subway tunnel, PM10 concentration was monitored from March 8 to 15, 2018 and from March 26 to 28, 2018, and compared with concentrations that are routinely monitored at the subway concourse and the nearest roadside air quality monitoring station (RAQMS). Overall PM10 concentration at the concourse was similar to that of the RAQMS. However, PM10 concentration in the tunnel was significantly higher than those of the subway concourse and RAQMS, and showed distinct diurnal variation caused by train operation. The dominant peak concentrations were highly correlated with the number of train operations per hour. The minimum PM10 concentration was observed between 2 am to 5 am when the train was not operated. This was similar to that of the RAQMS. Although the diurnal variation of the PM10 concentration at the concourse is not significant, the overall trend is similar to that in the tunnel. Korean 한국냄새환경학회 도시철도 터널과 대합실에서 미세먼지 농도의 일변화 특징 Diurnal variation of PM10 concentration in the subway concourse and tunnel Article 10.15250/joie.2020.19.3.231 2 실내환경 및 냄새 학회지, v.19, no.3, pp.231 - 240 실내환경 및 냄새 학회지 19 3 231 240 N kci ART002634613 Particulate matter Concourse Diurnal variation Subway Tunnel