Table 2.

Details of MDRs values in temporal PM_2.5

	Ant/(Ant + Phe)	Fla/(Fla + Pyr)	Baa/(Baa + Chr)	Ind/(Ind + Bghi)	BaP/Bghi
2016	0.23 ± 0.12	0.66 ± 0.18	0.62 ± 0.10	0.27 ± 0.14	0.45 ± 0.27
2017	0.32 ± 0.08	0.60 ± 0.02	0.57 ± 0.11	0.53 ± 0.14	0.75 ± 0.92
2018	0.35 ± 0.05	0.58 ± 0.08	0.55 ± 0.10	0.68 ± 0.05	0.51 ± 0.63
2019	0.36 ± 0.06	0.50 ± 0.01	0.75 ± 0.07	0.46 ± 0.18	0.33 ± 0.17
2020	0.27 ± 0.08	0.66 ± 0.12	0.69 ± 0.13	0.44 ± 0.08	0.47 ± 0.12
2021	0.31 ± 0.16	0.46 ± 0.08	0.79 ± 0.09	0.36 ± 0.06	0.20 ± 0.07
Spring	0.34 ± 0.12	0.74 ± 0.16	0.60 ± 0.11	0.70 ± 0.07	0.38 ± 0.43
Summer	0.33 ± 0.13	0.56 ± 0.20	0.51 ± 0.11	0.21 ± 0.13	0.26 ± 0.14
Fall	0.31 ± 0.12	0.62 ± 0.18	0.58 ± 0.10	0.42 ± 0.13	0.33 ± 0.49
Winter	0.29 ± 0.17	0.54 ± 0.09	0.66 ± 0.12	0.40 ± 0.15	0.75 ± 0.96
	< 0.1 = petrogenic  > 0.1 = pyrogenic	< 0.4 = petrogenic/unburned petroleum 0.4–0.5 = fossil fuel combustion  > 0.5 = biomass and coal combustion	< 0.2 = petrogenic 0.2–0.35 = petroleum combustion > 0.35 = biomass and coal combustion	< 0.2 = petrogenic 0.2–0.5 = petroleum combustion > 0.5 = biomass and coal combustion	< 0.6 = nontraffic > 0.6 = traffic