Advances in Meteorology / 2014 / Article / Fig 2

Research Article

The Impact of Nonlocal Ammonia on Submicron Particulate Matter and Visibility Degradation in Urban Shanghai

Figure 2

Time series of (a) visibility (km), RH (%), and precipitation (mm/h), (b) mass concentration (μg/m3) of PM1 and SIA species , , , and Cl), and (c) mass concentration (μg/m3) of precursor gasses (NH3, HNO3, SO2, and HCl) during the study period (December 1–31, 2012) in Shanghai. Gray hatched frames represent the 8 haze episodes.

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