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Prioritising actions for improving classroom air quality based on the analytic hierarchy process: case studies in China and the UK

Shu, Z., Yuan, F., Wang, J., Zang, J., Li, B., Shahrestani, M. ORCID:, Essah, E. ORCID:, Awbi, H., Holland, M., Fang, F., Pain, C., Kumar, P., Zhong, H., Short, A., Linden, P. and Yao, R. ORCID: (2024) Prioritising actions for improving classroom air quality based on the analytic hierarchy process: case studies in China and the UK. Indoor Air, 2024. 5531325. ISSN 1600-0668

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To link to this item DOI: 10.1155/2024/5531325


The air quality in classrooms significantly impacts school children’s health and learning performance. It has been reported worldwide that classroom air quality does not meet the required standard and actions are pledged for improvement. However, it poses a challenge for decision-making in terms of prioritising taking-up measures. The aim of this study is to propose a method of identifying the action measures for improving classroom air quality and prioritising them. Case studies in the UK and China were conducted, and the key measures were identified through literature studies, open-ended questionnaire surveys, and workshop discussions, which are classified into three categories: B1, policy; B2, technology; and B3, information sharing. The analytical hierarchy process (AHP) is applied in the prioritisation of the action measures. A total of 138 teachers and parents from China and the UK participated in this case study. The genetic algorithm-optimised Hadamard product (GAOHP) method is applied to justify the consistency ratio (CR) within the required threshold value in order to ensure the consistency of the subjective perception and the accuracy of comparative weights. The results show that item B2, technology, is the most desired measure by both Chinese and British parents and teachers, despite the deviation from the optimal choice in China and the UK. Among the proposed action measures, the UK respondents strongly expected air purifiers with natural ventilation as opposed to their Chinese counterparts preferring to share the real-time status of classroom air quality. Our work will provide strong support for the subsequent selection of indoor air quality improvement strategies for schools.

Item Type:Article
Divisions:Science > School of the Built Environment > Energy and Environmental Engineering group
ID Code:116206


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