Abstract
Predicting air pollutant concentrations is an efficient way to prevent incidents by providing early warnings of harmful air pollutants. A precise prediction of air pollutant concentrations is an important factor in controlling and preventing air pollution. In this paper, we develop a bidirectional long-short-term memory and a bidirectional gated recurrent unit (BiLSTM-BiGRU) to predict PM2.5 concentrations in a target city for different lead times. The BiLSTM extracts preliminary features, and the BiGRU further extracts deep features from air pollutant and meteorological data. The fully connected (FC) layer receives the output and makes an accurate prediction of the PM2.5 concentration. The model is then compared with five other deep learning models in terms of root mean square error (RMSE), mean absolute error (MAE) and correlation (R2) over different lead times. The results indicate that the proposed model has at least 2.2 times lower RMSE than the other models.
| Original language | English |
|---|---|
| Title of host publication | IGARSS 2023 - 2023 IEEE International Geoscience and Remote Sensing Symposium, Proceedings |
| Publisher | Institute of Electrical and Electronics Engineers Inc. |
| Pages | 5166-5169 |
| Number of pages | 4 |
| ISBN (Electronic) | 9798350320107 |
| DOIs | |
| Publication status | Published - 2023 |
| Event | 2023 IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2023 - Pasadena, United States Duration: 16 Jul 2023 → 21 Jul 2023 |
Publication series
| Name | International Geoscience and Remote Sensing Symposium (IGARSS) |
|---|---|
| Volume | 2023-July |
| ISSN (Electronic) | 2153-6996 |
Conference
| Conference | 2023 IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2023 |
|---|---|
| Country/Territory | United States |
| City | Pasadena |
| Period | 16/07/23 → 21/07/23 |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 11 Sustainable Cities and Communities
Keywords
- Fusion deep neural network
- GRU
- LSTM
- PM concentration prediction
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