Advances in Meteorology / 2016 / Article / Fig 4

Research Article

Characteristics of Atmospheric Compositions in the Background Area of Yangtze River Delta during Heavy Air Pollution Episode

Figure 4

Scatter distribution of hourly mean concentrations of BC and PM2.5 at Lin’an background station: (a) prehaze period, (b) haze period, and (c) posthaze period.
(a)
(b)
(c)

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