Fig. 9: Random Forest model performance.

Random Forest fitted time series of a PM2.5 and c PM10. b Predicted PM2.5 value plotted against the measured PM2.5 value. d Predicted PM10 value plotted against measured PM10 value.

Random Forest fitted time series of a PM2.5 and c PM10. b Predicted PM2.5 value plotted against the measured PM2.5 value. d Predicted PM10 value plotted against measured PM10 value.