Polycyclic Aromatic Hydrocarbons Bound to PM 2.5 in Urban Coimbatore, India with Emphasis on Source Apportionment

Table 4

Correlation between meteorological parameters and PAH.

	PM 2.5	Temp	Humidity	Wind speed	Rainfall	PHENAN	ANTH	BaA	CHRY	BbF	BkF	BaP	BghiP	IcdP	TPAHs
PM 2.5	1.0
Temp	−.57	1.0
Humidity	−.15	.35	1.0
Wind speed	−.69*	.46	.53	1.0
Rainfall	.25	.47	.25	−.38	1.0
PHENAN	−.10	.06	−.24	−.19	−.03	1.0
ANTH	.39	−.43	−.70*	−.55	−.26	.15	1.0
BaA	.37	−.60	−.43	−.19	−.57	.17	.71*	1.0
CHRY	.13	.14	−.44	−.24	.13	.78*	.13	.20	1.0
BbF	.48	−.57	−.14	−.47	−.16	.68*	.23	.53	.43	1.0
BkF	.17	−.15	−.37	−.33	−.09	.93**	.09	.27	.83**	.77*	1.0
BaP	.72*	−.49	−.53	−.72*	.16	.40	.46	.57	.58	.67*	.57	1.0
BghiP	.63	−.72*	−.17	−.34	−.27	−.03	.14	.20	.07	.43	.27	.30	1.0
IcdP	.37	−.37	−.26	−.35	−.14	.83**	.13	.43	.75*	.90**	.93**	.67*	.43	1.0
TPAHs	.20	−.33	−.46	−.29	−.27	.82**	.35	.57	.80**	.77*	.87**	.62	.30	.92**	1.0

*Correlation is significant at the 0.05 level (2-tailed).
**Correlation is significant at the 0.01 level (2-tailed).