Data set of 1km PM2.5 in the upper reaches of Yangtze River in China (2000-2021) is one of the long-term, full coverage, high-resolution and high-quality ground air pollutant data sets of China (CHAP). It is generated by using big data of artificial intelligence (such as ground-based measurement, satellite remote sensing products, atmospheric reanalysis, model simulation, etc.) and considering the spatio-temporal heterogeneity of air pollution. This data is the ground PM2.5 data set of 1 km/day (D1K) in the Yangtze River basin of China from 2000 to 2021. The daily cross validation determination coefficient (CV-R2) of this dataset is 0.92, and the root mean square error (RMSE) is 10.76 µ g m - 3
CHAP_ PM2.5_ D1K_ YYYYMMDD_ V4.tif
Jing, W. (2022). Data set of 1km PM2.5 in the upper reaches of Yangtze River in China (2000-2021). Upper Yangtze River Scientific Data Center, DOI: https://doi.org/10.5281/zenodo.3753614. (Download the reference：
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| East: 112.00 | West: 89.00 |
|---|---|
| South: 24.00 | North: 36.50 |
