Analysis Of Pollution Characteristics And Source PM2.5 In Baoji City

Baoji City is located in Northwest China inland.PM2.5 pollution situation is already very serious, especially in autumn and winter heavy haze pollution seriously affect the health of residents and productive life. Articles using January 2013 to August 2014 Baoji City 7 air automatic monitoring stations 24 hours PM2.5 monitoring data, analyze PM2.5 temporal distribution of Baoji City, describes the relationship between pollution and other parameters; using online monitoring instrument month-long monitoring PM2.5 components, sub-seasons a year using manual sampling methods to analyze its PM2.5 in heavy metals, inorganic ions, carbon components, in particular the causes of the lead element content to focus discussion. Meteorological data collected over the same period, analyze the relationship between PM2.5 and various meteorological parameters, sub-analysis of the composition of PM2.5 in different seasons, combined Baoji terrain conditions, indicating that the source of PM2.5 pollution in Baoji city, focuses on secondary pollution and external input effects of pollution on the formation of heavy haze pollution in Baoji city, periodically explains Baoji City PM2.5 pollution mechanism. Suggestions prevention measures and provide the technical basis for reducing haze pollution Baoji.