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

Table 4

Mean absolute error (MAE) values for different models predicted for the 1st to 6th hour of each baseline.

MAE (μg/m^3)	1st hour	2nd hour	3rd hour	4th hour	5th hour	6th hour
LSTM_N	7.02	10.78	14.09	17.27	20.25	22.40
LSTM_NW	7.33	11.02	14.03	16.71	19.15	21.19
LSTM_NE	7.79	10.33	13.24	15.54	17.88	20.26
LSTM_WE	6.99	10.37	13.18	16.98	18.09	19.85
LSTM_S	7.81	12.19	14.59	17.95	19.81	22.56
ST_LSTM	6.81	10.22	12.87	15.92	18.53	19.69