A Review of Artificial Neural Network Models Applied to Predict Indoor Air Quality in Schools

Jierui Dong, Nigel Goodman, Priyadarsini Rajagopalan

Research output: Contribution to journalReview articlepeer-review

1 Citation (Scopus)
30 Downloads (Pure)

Abstract

Background: Indoor air quality (IAQ) in schools can affect the performance and health of occupants, especially young children. Increased public attention on IAQ during the COVID-19 pandemic and bushfires have boosted the development and application of data-driven models, such as artificial neural networks (ANNs) that can be used to predict levels of pollutants and indoor exposures. Methods: This review summarises the types and sources of indoor air pollutants (IAP) and the indicators of IAQ. This is followed by a systematic evaluation of ANNs as predictive models of IAQ in schools, including predictive neural network algorithms and modelling processes. The methods for article selection and inclusion followed a systematic, four-step process: identification, screening, eligibility, and inclusion. Results: After screening and selection, nine predictive papers were included in this review. Traditional ANNs were used most frequently, while recurrent neural networks (RNNs) models analysed time-series issues such as IAQ better. Meanwhile, current prediction research mainly focused on using indoor PM2.5 and CO2 concentrations as output variables in schools and did not cover common air pollutants. Although studies have highlighted the impact of school building parameters and occupancy parameters on IAQ, it is difficult to incorporate them in predictive models. Conclusions: This review presents the current state of IAQ predictive models and identifies the limitations and future research directions for schools.

Original languageEnglish
Article number6441
Pages (from-to)1-18
Number of pages18
JournalInternational Journal of Environmental Research and Public Health
Volume20
Issue number15
DOIs
Publication statusPublished - Jul 2023
Externally publishedYes

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