Journal of Geo-information Science, Volume. 22, Issue 10, 1983(2020)
Fig. 1. Map of air quality monitoring stations in China from 2015 to 2019
Fig. 2. Average mass concentration of six key atmospheric pollutants and AQI in China from 2015 to 2019
Fig. 3. Monthly average mass concentration changes of six key atmospheric pollutantsand AQI from 2015 to 2019
Fig. 4. Seasonal average mass concentration changes of six key atmospheric pollutants and AQI from 2015 to 2019
Fig. 5. Seasonal average changes of four combination indexes of key atmospheric pollutants in China from 2015 to 2019
Fig. 6. Monthly Changes of four types of weather data in China from 2015 to 2019
Table 1. Comparison of the combined ratios of four key atmospheric pollutants in eight major comprehensive economic zones from 2015 to 2019
View tableView in ArticleTable 1. Comparison of the combined ratios of four key atmospheric pollutants in eight major comprehensive economic zones from 2015 to 2019
PM2.5/PM10 PM2.5/CO PM2.5/SO2 SO2/NO2 东北区 0.574 43.189 2.150 0.723 北部区 0.611 53.441 3.390 0.471 东部区 0.638 52.997 3.332 0.388 南部区 0.600 33.483 2.793 0.478 黄中区 0.518 43.647 2.188 0.778 长中区 0.626 46.903 3.060 0.605 西南区 0.604 40.197 2.584 0.551 西北区 0.395 44.871 2.515 0.667 中国北方 0.540 45.760 2.517 0.690 中国南方 0.601 44.338 2.835 0.533
Table 2. Correlation coefficients of key atmospheric pollutants in China from 2015 to 2019
View tableView in ArticleTable 2. Correlation coefficients of key atmospheric pollutants in China from 2015 to 2019
CO SO2 NO2 O3 PM10 PM2.5 CO 1 0.950** 0.822** -0.846** 0.741** 0.955** SO2 0.950** 1 0.718** -0.729** 0.707** 0.895** NO2 0.822** 0.718** 1 -0.828** 0.799** 0.879** O3 -0.846** -0.729** -0.828** 1 -0.581** -0.815** PM10 0.741** 0.707** 0.799** -0.581** 1 0.861** PM2.5 0.955** 0.895** 0.879** -0.815** 0.861** 1
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Jiadan DONG, Xiaoling CHEN, Xiaobin CAI, Qiangqiang XU, Yuting GUAN, Tinghui LI, Shiyan LIU, Fang CHEN.
Received: Apr. 30, 2020
Accepted: --
Published Online: Apr. 23, 2021
The Author Email: Fang CHEN (harwitchcf@hotmail.com)
