[논문]학교 교실 공기질 관리를 위한 건강영향 기반 실내공기질지수 개발

김도윤; 권지유; 이태정; 박영구; 조영민

doi:10.14249/eia.2021.30.6.380

학교 교실 공기질 관리를 위한 건강영향 기반 실내공기질지수 개발
Indoor Air Quality Index for School Classrooms Based on Health Effects 원문보기

환경영향평가 = Journal of environmental impact assessment, v.30 no.6, 2021년, pp.380 - 392

김도윤 (경희대학교 환경응용과학과) , 권지유 (경희대학교 환경응용과학과) , 이태정 (경희대학교 환경응용과학과) , 박영구 (강원대학교 지구환경시스템공학과) , 조영민 (경희대학교 환경응용과학과)

초록
AI-Helper

어린 학생들에 대한 HQ (Hazard Quotient) 기반으로 학교교실 실내 공기질 지수 (IAQI-S)를 개발하였다. IAQI-S는 PM₁₀, PM_2.5, CO₂를 포함하며, IAQI-S의 기준농도는 지정된 HQ값을 통해 산출하였다. 본 연구에서 개발한 IAQI-S를 이용하여 2017년 11월부터 2020년 12월까지 실시간으로 측정한 전국 46개 학교 123개 학급을 평가해보았다. 종합지수 평가 결과, PM₁₀의 93.1%, PM_2.5의 94%가 '좋음'과 '보통' 등급에 포함되었다. 8시간 예측 이동 평균을 기반으로 한 IAQI-S는 CAI(Comprehensive Air-quality Index) 및 외국에서 발표되었던 IAQI와 비교하였다. IAQI-S는 CO₂를 포함하며 대기질지수 (CAI)에 비해 더 엄격한 수준으로 구성되어 있음을 알 수 있었다.

Abstract ▼ AI-Helper

An indoor air quality index for school classrooms based on the Hazard Quotient (HQ) was developed in this study. The current index (IAQI-S) covered PM10, PM2.5, and CO2, and breakpoints of IAQI-S were calculated using each HQ value. IAQI-S was applied to the real-time data obtained from 123 classrooms of 46 schools during November 2017 to December 2020. As a result of the comprehensive assessment, 93.1% of PM10 and 94% of PM2.5 belonged to 'good' and 'moderate', respectively. The IAQI-S based on an 8-hour predicted moving average was compared with Comprehensive Air-quality Index (CAI) and with the IAQI of a foreign reference. The IAQI-S includes CO2 and consists of more stringent levels comparing to outdoor index (CAI).

주제어

표/그림 (9)

그림 Figure 1. Cumulative concentration distributions of average PM₁₀ and PM_2.5 (left), CO₂ (right) in classrooms.
표 Table 1. Exposure factors for calculation of Hazard Quotient (HQ)
표 Table 2. Concentrations (C_A) obtained by inverse calculation based on Equation (1)
표 Table 3. Summary of indoor air quality index for school classrooms (IAQI-S) proposed in this study.
표 Table 4. References for breakpoints of PM₁₀
표 Table 5. References for breakpoints of PM_2.5
표 Table 6. References for breakpoints of CO₂
표 Table 7. Index value distribution of IAQI-S
표 Table 8. Classification of indoor air quality grade in school classrooms by IAQI-S

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