Research Article

Recognizing Dew as an Indicator and an Improver of Near-Surface Air Quality

Figure 3

Ionic concentrations of organic carbon (OC) and elemental carbon (EC) of air particles, as well as particulate organic carbon (POC) and particulate elemental carbon (PEC) of dew during normal (white), foggy (green), and hazy (red) conditions in Changchun, China.