Investigation of the Implications of “Haze Special Law” on Air Quality in South Korea

Table 5

Multifractality of time series.

					LRC	FTD
Seoul	Before	Original	1.2270	2.2414	No	Yes
		Shuffled	0.7232	1.7946
		Phase-randomized	0.6965	0.9574
	After	Original	1.2085	1.3953	No	Yes
		Shuffled	0.3177	1.0978
		Phase-randomized	0.3049	0.8569
Busan	Before	Original	1.2905	1.7463	Yes	No
		Shuffled	0.3982	0.9999
		Phase-randomized	0.3993	1.3512
	After	Original	1.1041	1.2708	Yes	No
		Shuffled	0.3678	0.7175
		Phase-randomized	0.3794	0.8673
Daegu	Before	Original	1.1975	2.9610	No	Yes
		Shuffled	0.5901	2.2093
		Phase-randomized	0.5868	2.0587
	After	Original	1.0878	2.5043	No	Yes
		Shuffled	0.6756	2.5600
		Phase-randomized	0.6407	2.2981

LRC and FTD represent the long-range correlations and fat-tailed distribution, respectively.