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BiLSTM-BiGRU: A Fusion Deep Neural Network For Predicting Air Pollutant Concentration

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

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 languageEnglish
Title of host publicationIGARSS 2023 - 2023 IEEE International Geoscience and Remote Sensing Symposium, Proceedings
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages5166-5169
Number of pages4
ISBN (Electronic)9798350320107
DOIs
Publication statusPublished - 2023
Event2023 IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2023 - Pasadena, United States
Duration: 16 Jul 202321 Jul 2023

Publication series

NameInternational Geoscience and Remote Sensing Symposium (IGARSS)
Volume2023-July
ISSN (Electronic)2153-6996

Conference

Conference2023 IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2023
Country/TerritoryUnited States
CityPasadena
Period16/07/2321/07/23

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 11 - Sustainable Cities and Communities
    SDG 11 Sustainable Cities and Communities

Keywords

  • Fusion deep neural network
  • GRU
  • LSTM
  • PM concentration prediction

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