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Forecast results of ICEEMD-SVM-WOA model in three study areas.
| Study Areas | PM2.5 | PM10 | SO2 | NO2 | CO | O3 | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| MAE | MAPE | MAE | MAPE | MAE | MAPE | MAE | MAPE | MAE | MAPE | MAE | MAPE | |
| Taiyuan | 3.197 | 9.204 | 5.517 | 6.689 | 1.497 | 7.831 | 1.765 | 5.614 | 0.024 | 2.820 | 3.392 | 4.225 |
| Harbin | 1.781 | 2.260 | 3.203 | 7.457 | 0.533 | 9.351 | 2.420 | 7.236 | 0.023 | 2.921 | 3.430 | 7.900 |
| Chongqing | 2.900 | 8.795 | 5.263 | 10.311 | 1.160 | 13.219 | 2.882 | 8.265 | 0.049 | 5.005 | 4.350 | 11.514 |
