Research Article

A Modeling Study of Impact of Emission Control Strategies on PM2.5 Reductions in Zhongshan, China, Using WRF-CMAQ

Figure 4

Comparison of simulated (a) PM2.5 concentrations and (b) visibility with observations (the discontinuities are due to the missing observational data. The shaded areas in panel (a) denote 5, 12, 28–30, and 31 January mentioned in Section 3.2. The shaded area in panel (b) denotes 5 January).
(a)
(b)