Research Article

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

Table 2

Grade classification of rainfall intensity.

LevelLRMRHRTRSR

Rainfall (mm·h−1)0 < R < 1.51.5 ≤ R < 3.53.5 ≤ R < 8.08.0 ≤ R < 2020 ≤ R < 50