Research on PM2.5 Spatiotemporal Forecasting Model Based on LSTM Neural Network

Table 1

Comparison of different hidden layers on model performance.

Hidden layers	MAE (μg/m^3)	RMSE (μg/m^3)	R^2
1	7.57	12.261	0.944
2	7.54	13.250	0.944
3	7.34	11.963	0.947
4	7.99	12.260	0.944
5	7.69	12.407	0.943