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

Table 2

The original data of Chongqing AQI, PM_2.5, and PM₁₀ in December 2019.

Date	AQI	PM2.5	PM10
1-Dec	46	32	46
2-Dec	67	46	75
3-Dec	75	55	86
4-Dec	94	70	105
5-Dec	84	62	88
6-Dec	75	55	84
7-Dec	77	56	84
8-Dec	107	80	121
9-Dec	129	98	138
10-Dec	127	96	137
11-Dec	135	103	142
12-Dec	143	109	146
13-Dec	145	111	156