Effects of Rainfall on PM_2.5 and PM₁₀ in the Middle Reaches of the Yangtze River

Table 3

Distributions of V_PM2.5 and V_PM10 under different C_PM2.5/PM10 intervals during rainfall hours.

CPM2.5/PM10	VPM10 ≥ 0		VPM10 < 0		VPM2.5 ≥ 0		VPM2.5 < 0
	Hours	Average value	Hours	Average value	Hours	Average value	Hours	Average value
−0.6∼−0.4	8	0.10	3	−0.05	0	0.00	11	−0.58
−0.4∼−0.2	76	0.29	21	−0.16	19	0.06	78	−0.23
−0.2∼−0.1	212	0.17	270	−0.11	112	0.07	370	−0.14
−0.1∼0	2218	0.07	2323	−0.07	1694	0.06	2847	−0.08
0∼0.1	1674	0.06	3500	−0.09	2897	0.07	2277	−0.07
0.1∼0.2	93	0.07	602	−0.16	486	0.12	209	−0.09
0.2∼0.4	18	0.06	146	−0.25	116	0.25	48	−0.09
0.4∼0.5	0	0.00	11	−0.43	8	0.25	3	−0.22
Ratio (%)	38.50		61.50		47.70		52.30
Average values of VPM	0.10		-0.16		0.11		−0.19