From outdoor to indoor air pollution source apportionment: Answers to ten challenging questions

IF 11.8 1区化学 Q1 CHEMISTRY, ANALYTICAL Trends in Analytical Chemistry Pub Date : 2024-06-19 DOI:10.1016/j.trac.2024.117821

Dikaia Saraga , Regina M.B.O. Duarte , Manousos-Ioannis Manousakas , Thomas Maggos , Anna Tobler , Xavier Querol

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Abstract

Indoor air pollution source apportionment (SA) is an evolving field and remains challenging to adjust the gained knowledge from atmospheric studies to the indoor environment. This paper identifies ten key-questions on indoor SA. Firstly, the scientific challenges of indoor SA are presented, including the differences between indoor and outdoor SA (Q1), the appropriate tracers (Q2), the challenges for indoor organic PM and VOCs apportionment (Q3) and the effect of oxidative reactions on indoor SA (Q4). Afterwards, the advances of indoor air monitoring/analysis are discussed towards an optimized indoor air SA (Q5-6). Q7 and Q8 review the type of receptor models best applying for indoor SA and discuss how the advances in online outdoor SA can benefit indoor SA. Q9 deals with the optimization of the estimation of the outdoor sources’ contribution to indoor air. Finally, the challenge of using machine learning techniques for indoor SA is discussed in Q10.

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从室外到室内的空气污染源分摊：十个挑战性问题的答案

室内空气污染源分配（SA）是一个不断发展的领域，如何将从大气研究中获得的知识调整到室内环境中仍然是一个挑战。本文提出了有关室内污染源分配的十个关键问题。首先，介绍了室内污染源解析面临的科学挑战，包括室内和室外污染源解析的差异（问题 1）、合适的示踪剂（问题 2）、室内有机可吸入颗粒物和挥发性有机化合物解析面临的挑战（问题 3）以及氧化反应对室内污染源解析的影响（问题 4）。随后，讨论了室内空气监测/分析在优化室内空气质量方面的进展（问题 5-6）。问题 7 和 8 回顾了最适用于室内 SA 的受体模型类型，并讨论了在线室外 SA 的进展如何有益于室内 SA。问题 9 涉及室外污染源对室内空气贡献的优化估算。最后，问题 10 讨论了在室内 SA 中使用机器学习技术所面临的挑战。

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来源期刊

Trends in Analytical Chemistry 化学-分析化学

CiteScore

20.00

自引率

4.60%

发文量

257

审稿时长

3.4 months

期刊介绍： TrAC publishes succinct and critical overviews of recent advancements in analytical chemistry, designed to assist analytical chemists and other users of analytical techniques. These reviews offer excellent, up-to-date, and timely coverage of various topics within analytical chemistry. Encompassing areas such as analytical instrumentation, biomedical analysis, biomolecular analysis, biosensors, chemical analysis, chemometrics, clinical chemistry, drug discovery, environmental analysis and monitoring, food analysis, forensic science, laboratory automation, materials science, metabolomics, pesticide-residue analysis, pharmaceutical analysis, proteomics, surface science, and water analysis and monitoring, these critical reviews provide comprehensive insights for practitioners in the field.