中文说明：关于大气质量变化规律和地区之间相互影响关系的代码，内含数据，可直接运行，做出的MATLAB图形比较高大上，有需要的可以下载，有问题可以联系我。
English Description：
On the law of air quality changes and the relationship between the code, including data, can be run directly, the Matlab graphics are relatively large, you can download if you need, you can contact me if you have any questions.