Table 6 Experimental results.

From: An air quality index prediction model based on CNN-ILSTM

Model

MAE

MSE

R2

Training time (s)

SVR

19.2644

483.6269

0.8750

411.2

RFR

15.364

402.6292

0.8905

341.3

MLP

13.6186

386.3648

0.9106

50.3

LSTM

9.4974

266.8523

0.9447

124.9

GRU

11.0032

270.8179

0.9411

71.6

ILSTM

9.2420

248.9234

0.9508

64.2

CNN-LSTM

9.2314

258.5143

0.9466

149.5

CNN-GRU

9.0615

248.6389

0.9478

92.5

CNN-ILSTM

8.4134

202.1923

0.9601

85.3