[Pollution characteristics of carbonaceous aerosols in PM2.5 during typical winter days in Wuxi City ].

The purpose of this study was to investigate the process of haze in winter and the variation of carbonaceous aerosols in haze days. Continuous measurements of PM2.5 and meteorological parameters were conducted from Dec 3rd ,2013 to Jan 3rd, 2014, in Wuxi City.