室内空气质量对儿童呼吸健康的影响:一种MPPD模型方法

IF 1.6 4区 环境科学与生态学 Q4 ENVIRONMENTAL SCIENCES
Avnish Shukla, Rahul Indaliya, Bhaven N. Tandel
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引用次数: 0

摘要

教室的室内空气质量(IAQ)是影响儿童健康成长的一个关键因素,因为他们在学校度过了大量的时间。目前的工作调查了学校教室的室内空气质量,室内空气和室外空气之间的关系,以及对儿童学习的可能风险。四个室内空气质量参数,颗粒物(PM2.5和PM10),二氧化碳(CO2),温度和相对湿度,使用基于传感器的设备进行评估。测量是在教室内进行的,没有空调的房间打开窗户,有空调的房间关闭窗户,学校边界外的街道上。结果表明,颗粒物浓度超出了世界卫生组织(WHO)规定的阈值。此外,空调房间的二氧化碳平均浓度较高,一个学校教室的相对湿度略高。本研究采用国际放射防护委员会(ICRP)模型,分析了PM2.5的呼吸沉积剂量(RDD)。它使用危害商数(HQ)评估相关的非致癌风险。值得注意的是,研究显示,所有教室的HQ都超过了临界值1,这表明学生患支气管疾病的风险增加。此外,多路径颗粒剂量分析表明,PM在肺部的沉积较高,主要发生在呼吸道,特别是在年幼的儿童中比在青少年中更明显。报告的结论是,需要采取紧急干预措施来改善学校的室内空气质量,特别是在交通拥挤的地区。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Effect of Indoor Air Quality on Respiratory Health of Children: An MPPD Model Approach

Indoor air quality (IAQ) in classrooms is a crucial factor in the growing health of children as they spend significant amounts of time in school. The present work examines indoor air quality in school classrooms, the relationship between indoor air and outdoor air, and a possible risk to children’s learning. Four IAQ parameters, particulate matter (PM2.5 and PM10), carbon dioxide (CO2), temperature, and relative humidity, are assessed using a sensor-based device. Measurements were taken inside classrooms with windows open for non-air conditioner rooms, closed for air-conditioner rooms, and on the street outside the school boundary. Results indicate the exceedance of particulate matter concentrations beyond the thresholds set by the World Health Organization (WHO). Furthermore, the mean concentration of CO2 is high for the air conditioner room, and relative humidity was identified as slightly higher for one school classroom. Employing the International Commission on Radiological Protection (ICRP) model, the research analyzes the respiratory deposition dose (RDD) of PM2.5. It evaluates associated non-carcinogenic risks using the hazard quotient (HQ). Notably, the study reveals that the HQ in all classrooms surpassed the critical value of 1, indicating an elevated risk of bronchial diseases among students. Additionally, the Multiple Path Particle Dosimetry analysis suggests a higher deposition of PM in the lungs, with a predominant occurrence within the respiratory tract, particularly notable in younger children than adolescents. It concludes that urgent interventions are needed to improve school IAQ conditions, particularly in traffic-congested areas.

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来源期刊
Aerosol Science and Engineering
Aerosol Science and Engineering Environmental Science-Pollution
CiteScore
3.00
自引率
7.10%
发文量
42
期刊介绍: ASE is an international journal that publishes high-quality papers, communications, and discussion that advance aerosol science and engineering. Acceptable article forms include original research papers, review articles, letters, commentaries, news and views, research highlights, editorials, correspondence, and new-direction columns. ASE emphasizes the application of aerosol technology to both environmental and technical issues, and it provides a platform not only for basic research but also for industrial interests. We encourage scientists and researchers to submit papers that will advance our knowledge of aerosols and highlight new approaches for aerosol studies and new technologies for pollution control. ASE promotes cutting-edge studies of aerosol science and state-of-art instrumentation, but it is not limited to academic topics and instead aims to bridge the gap between basic science and industrial applications.  ASE accepts papers covering a broad range of aerosol-related topics, including aerosol physical and chemical properties, composition, formation, transport and deposition, numerical simulation of air pollution incidents, chemical processes in the atmosphere, aerosol control technologies and industrial applications. In addition, ASE welcomes papers involving new and advanced methods and technologies that focus on aerosol pollution, sampling and analysis, including the invention and development of instrumentation, nanoparticle formation, nano technology, indoor and outdoor air quality monitoring, air pollution control, and air pollution remediation and feasibility assessments.
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