Figure 1 (IMAGE) Science China Press Caption Evaluation indicators (a) CORR, (b) RMSE, and (c) MFE for Control (blue) and Assimilation experiments (red) as a function of forecast range regarding pollutants PM2.5, PM10, SO2, NO2, CO, and O3, respectively, from top-to-bottom. Credit ©Science China Press Usage Restrictions Use with credit. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.