Table 3.

The Lasso model performance metrics.

Metric	MAE	MSE	RMSE	NMSE
Predicted Parameter
CO	5.979	57.574	7.589	0.559
PM2.5	8.003	109.023	10.441	0.165
PM10	5.882	69.787	8.345	0.31
O3	11.973	277.998	16.673	0.399
NO2	9.083	124.909	11.176	0.565
SO2	5.386	65.897	8.117	0.718