PM_2.5/PM₁₀ Ratios in Eight Economic Regions and Their Relationship with Meteorology in China

Table 5

Spearman correlation coefficients between PM_2.5/PM₁₀ and meteorological parameters.

	PP	P	RH	SD	T	WS	WD
NR	0.069	0.314	0.392	−0.450	−0.475	−0.169	−0.059
NCA	0.196	0.261	0.542	−0.425	−0.176	−0.276	−0.083
ECA	0.230	0.098	0.402	−0.345	−0.170	−0.118	−0.039
SCA	0.043	0.370	0.125	−0.308	−0.464	−0.157	−0.183
MYR	0.173	0.364	0.548	−0.486	−0.224	−0.411	−0.207
MRYR	0.121	0.244	0.191	−0.312	−0.429	−0.071	0.090
SC	0.192	0.289	0.336	−0.474	−0.385	−0.213	−0.065
BNC	0.162	0.137	0.566	−0.382	−0.457	−0.409	−0.107

Note. and mean correlations were significant at the 0.05 and 0.01 levels (2-tailed).