Multi-Level Gray Evaluation Method for Assessing Health Risks in Indoor Environments

Recently, health risk assessment and early warning systems for high-temperature events have become critical concerns. However, current high-temperature warning systems primarily focus on temperature alone, which fails to accurately reflect the actual heat exposure levels and associated health risks....

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Main Authors: Yajing Wang, Yan Ding, Chunhua Liu, Kuixing Liu
Format: Article
Language:English
Published: MDPI AG 2025-02-01
Series:Buildings
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Online Access:https://www.mdpi.com/2075-5309/15/5/789
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author Yajing Wang
Yan Ding
Chunhua Liu
Kuixing Liu
author_facet Yajing Wang
Yan Ding
Chunhua Liu
Kuixing Liu
author_sort Yajing Wang
collection DOAJ
description Recently, health risk assessment and early warning systems for high-temperature events have become critical concerns. However, current high-temperature warning systems primarily focus on temperature alone, which fails to accurately reflect the actual heat exposure levels and associated health risks. Therefore, this paper proposes an improved AHP (analytic hierarchy process) combined with a multi-level gray evaluation method for assessing human health risks during high-temperature conditions. A comprehensive early warning system is developed, incorporating various indicators, including human status, building conditions, and weather forecasts, making it more holistic than traditional temperature-based warning systems. A case study shows that the highest evaluation score for young individuals is 3.41, while elderly males receive the highest score of 2.5. Furthermore, the highest evaluation score for males is 3.41, while for females the highest score of 3.1. The warning results indicate that for young individuals, no alert is issued; for the elderly, a red alert is triggered; and for middle-aged individuals, the system issues orange and yellow alerts based on varying levels of risk. This study can be used to monitor health risk and provide alert message to humans. Based on the proposed early warning system, people can be able to predict health risk in time.
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spelling doaj-art-f653b0f604db4414bafacbd93dfe112e2025-08-20T02:53:02ZengMDPI AGBuildings2075-53092025-02-0115578910.3390/buildings15050789Multi-Level Gray Evaluation Method for Assessing Health Risks in Indoor EnvironmentsYajing Wang0Yan Ding1Chunhua Liu2Kuixing Liu3School of Energy and Architectural Engineering, Shandong Huayu University of Technology, Dezhou 253000, ChinaSchool of Environmental Science and Engineering, Tianjin University, Tianjin 300072, ChinaSchool of Energy and Architectural Engineering, Shandong Huayu University of Technology, Dezhou 253000, ChinaSchool of Architecture, Tianjin University, Tianjin 300072, ChinaRecently, health risk assessment and early warning systems for high-temperature events have become critical concerns. However, current high-temperature warning systems primarily focus on temperature alone, which fails to accurately reflect the actual heat exposure levels and associated health risks. Therefore, this paper proposes an improved AHP (analytic hierarchy process) combined with a multi-level gray evaluation method for assessing human health risks during high-temperature conditions. A comprehensive early warning system is developed, incorporating various indicators, including human status, building conditions, and weather forecasts, making it more holistic than traditional temperature-based warning systems. A case study shows that the highest evaluation score for young individuals is 3.41, while elderly males receive the highest score of 2.5. Furthermore, the highest evaluation score for males is 3.41, while for females the highest score of 3.1. The warning results indicate that for young individuals, no alert is issued; for the elderly, a red alert is triggered; and for middle-aged individuals, the system issues orange and yellow alerts based on varying levels of risk. This study can be used to monitor health risk and provide alert message to humans. Based on the proposed early warning system, people can be able to predict health risk in time.https://www.mdpi.com/2075-5309/15/5/789high temperaturehealth risk evaluationmulti-level gray evaluationearly warning system
spellingShingle Yajing Wang
Yan Ding
Chunhua Liu
Kuixing Liu
Multi-Level Gray Evaluation Method for Assessing Health Risks in Indoor Environments
Buildings
high temperature
health risk evaluation
multi-level gray evaluation
early warning system
title Multi-Level Gray Evaluation Method for Assessing Health Risks in Indoor Environments
title_full Multi-Level Gray Evaluation Method for Assessing Health Risks in Indoor Environments
title_fullStr Multi-Level Gray Evaluation Method for Assessing Health Risks in Indoor Environments
title_full_unstemmed Multi-Level Gray Evaluation Method for Assessing Health Risks in Indoor Environments
title_short Multi-Level Gray Evaluation Method for Assessing Health Risks in Indoor Environments
title_sort multi level gray evaluation method for assessing health risks in indoor environments
topic high temperature
health risk evaluation
multi-level gray evaluation
early warning system
url https://www.mdpi.com/2075-5309/15/5/789
work_keys_str_mv AT yajingwang multilevelgrayevaluationmethodforassessinghealthrisksinindoorenvironments
AT yanding multilevelgrayevaluationmethodforassessinghealthrisksinindoorenvironments
AT chunhualiu multilevelgrayevaluationmethodforassessinghealthrisksinindoorenvironments
AT kuixingliu multilevelgrayevaluationmethodforassessinghealthrisksinindoorenvironments