Research Article

Effects of Rainfall on PM2.5 and PM10 in the Middle Reaches of the Yangtze River

Figure 3

Distributions of precipitation hours at different levels during pollution days in Hubei Province from 2015 to 2017: (a) rainfall intensity < 1.5 mm/h; (b) 1.5 mm/h ≤ rainfall intensity < 3.5 mm/h; (c) 3.5 mm/h ≤ rainfall intensity < 8.0 mm/h; (d) 8.0 mm/h ≤ rainfall intensity < 20.0 mm/h; (e) 20.0 mm/h ≤ rainfall intensity < 50.0 mm/h.
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(b)
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