Table 3. Spearman correlation coefficients between air pollutants and meteorological conditions.

	PM2.5	PM10	SO2	CO	NO2	O3	T	RH
PM2.5	1.000	.883**	.488**	.858**	.678**	−.182**	−.028	.506**
PM10		1.000	.555**	.738**	.733**	−.164**	−.032	.283**
SO2			1.000	.682**	.667**	−.484**	−.615**	−.267**
CO				1.000	.766**	−.483**	−.331**	.363**
NO2					1.000	−.554**	−.313**	.192**
O3						1.000	.779**	.032
T							1.000	.390**
RH								1.000

RH, relative humidity; T, temperature.

**P < 0.01.