Prediction of air quality in Shenzhen based on neural network algorithm
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Urban air pollution is the most serious environmental pollution problem in China. It not only causes serious losses to our economy, but also brings great hidden dangers to the physical and mental health of urban residents. Therefore, it is urgent to prevent and control air pollution. Air quality prediction and forecasting must be carried out to prevent air pollution. Timely and accurate air quality prediction can not only help urban managers to make scientific and effective preventive measures, but also provide more healthy and safe travel strategies for urban residents. China’s air monitoring system is gradually improving, its scale is expanding, and a large amount of air quality data is accumulating. With the rapid expansion of data scale, the traditional method of air quality prediction technology has been unable to deal with these massive data. In this paper, 365 sets of air pollutant data from January 1, 2018 to December 31, 2018 in Shen Zhen were used as experimental objects. The improved SAPSO algorithm and PSO algorithm were used to optimize the parameters of SVM model and construct the air quality evaluation model. By analyzing the classification results of air quality grade, selecting relevant data and using partial least squares, the correlation coefficient matrix is established for the classification results, and the pollutant factors affecting air quality in Shenzhen are obtained. The results are ideal, which provides a scientific theoretical basis for the prevention and control of air pollution and urban management planning.
KeywordsMachine learning Support vector machine Neural network Classification and prediction
This research/work was supported by the National Natural Science Foundation of China (NSFC) No. 71463056, The “silk road” scientific research and innovation Project, No. JGSL18004, Science and technology innovation program for doctoral students of Xinjiang University, No. XJUBSCX-201920, joint Foundation for the NSFC and Guangdong Science Center for Big Data No. U1611261, University scientific research program of Xinjiang Uygur autonomous region, No. XJEDU2019SY005.
Compliance with ethical standards
Conflict of interest
The authors declare that they have are no conflict of interest.
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