Smart City Gnosys
Smart city article details
| Title | Time-Series Data-Driven Pm2.5 Forecasting: From Theoretical Framework To Empirical Analysis |
|---|---|
| ID_Doc | 57442 |
| Authors | Wu C.; Wang R.; Lu S.; Tian J.; Yin L.; Wang L.; Zheng W. |
| Year | 2025 |
| Published | Atmosphere, 16, 3 |
| DOI | http://dx.doi.org/10.3390/atmos16030292 |
| Abstract | PM2.5 in air pollution poses a significant threat to public health and the ecological environment. There is an urgent need to develop accurate PM2.5 prediction models to support decision-making and reduce risks. This review comprehensively explores the progress of PM2.5 concentration prediction, covering bibliometric trends, time series data characteristics, deep learning applications, and future development directions. This article obtained data on 2327 journal articles published from 2014 to 2024 from the WOS database. Bibliometric analysis shows that research output is growing rapidly, with China and the United States playing a leading role, and recent research is increasingly focusing on data-driven methods such as deep learning. Key data sources include ground monitoring, meteorological observations, remote sensing, and socioeconomic activity data. Deep learning models (including CNN, RNN, LSTM, and Transformer) perform well in capturing complex temporal dependencies. With its self-attention mechanism and parallel processing capabilities, Transformer is particularly outstanding in addressing the challenges of long sequence modeling. Despite these advances, challenges such as data integration, model interpretability, and computational cost remain. Emerging technologies such as meta-learning, graph neural networks, and multi-scale modeling offer promising solutions while integrating prediction models into real-world applications such as smart city systems can enhance practical impact. This review provides an informative guide for researchers and novices, providing an understanding of cutting-edge methods, practical applications, and systematic learning paths. It aims to promote the development of robust and efficient prediction models to contribute to global air pollution management and public health protection efforts. © 2025 by the authors. |
| Author Keywords | bibliometric analysis; deep learning; LSTM; PM<sub>2.5</sub>; time-series; transformer |
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