Table 3.

The correlation coefficients of daily PM_2.5 related with meteorological variables.

Month/Season	WS	T	RH	Pre
January	−0.07	0.53 **	−0.01	−0.43
February	−0.22	0.35 **	−0.17	−0.76 **
March	−0.06	0.43 **	0.06	−0.39
April	−0.23	0.28 *	−0.04	0.32
May	−0.41 **	0.41 **	−0.17	−0.27
June	−0.37 **	0.34 **	−0.23 *	−0.23
July	−0.36 **	−0.02	−0.06	0.05
August	−0.35 **	0.33 **	−0.45 **	0.07
September	−0.36 **	0.35 **	0.05	−0.35
October	−0.30 **	−0.03	−0.10	−0.28
November	−0.38 **	0.35 **	−0.34 **	−0.26
December	−0.16	0.29 **	0.28 **	−0.80
Winter	−0.17	0.35 **	0.02	−0.67 **
Spring	−0.26 **	0.22 **	−0.05	−0.17
Summer	−0.26 **	−0.03	−0.60 *	−0.05
Autumn	−0.38 **	−0.26 **	−0.19 **	−0.28

Note: WS, Wind Speed; T, Temperature; RH, Relative Humidity; Pre, Precipitation; * p < 0.05; ** p < 0.01.