Journal of Atmospheric and Environmental Optics, Volume. 20, Issue 2, 176(2025)
Estimation method of atmospheric particulate matter mass concentration based on machine learning and multi-source data
Fig. 2. Rank of importance of input factors. (a) PM2.5 under clean background; (b) PM2.5 under polluted background;(c) PM10 under clean background; (d) PM10 under polluted background
Fig. 4. Optimal factor verification results of ML models. (a) Clean environment (RF model: 8 and 9 input factors for PM2.5 and PM10 respectively); (b) polluted environment (GRNN model: 6 and 8 input factors for PM2.5 and PM10 respectively)
Fig. 5. Horizontal distribution of PM2.5 (a) and PM10 (b) mass concentration estimated by optimal ML model (19:00, December 21, 2021, Beijing time)
Fig. 6. Comparison between the data of the state Control site and the model inversion data for PM2.5 (a) and PM10 (b)
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Huirong YANG, Nanteng HE, Lingbing BU, Zusi MO, Zengchang FAN, Xiaomeng ZHOU, Xin SU. Estimation method of atmospheric particulate matter mass concentration based on machine learning and multi-source data[J]. Journal of Atmospheric and Environmental Optics, 2025, 20(2): 176
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Received: Jan. 31, 2023
Accepted: --
Published Online: May. 30, 2025
The Author Email: Lingbing BU (lingbingbu@nuist.edu.cn)