Prediction of Air Quality Based on Hybrid Grey Double Exponential Smoothing Model

Table 1

Comparison of CFES and ES prediction results.

Date	Actual value	ES	CFES
11-Dec	102	128.95	118.48
12-Dec	118	135.39	123.14
13-Dec	123	141.83	127.60
MAPE		18.82%	8.08%