An Air Quality Prediction Model Based on a Noise Reduction Self-Coding Deep Network

Table 3

Evaluation criteria for forecast accuracy by quarters.

Model	RMSE	MAE
First quarter (Jan–Mar)	13.176	6.994
Second quarter (Apr–Jun)	20.729	9.019
Third quarter (Jul–Sep)	12.179	6.189
Fourth quarter (Oct–Dec)	16.345	8.014
All year	15.504	6.789