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Beijing is a haze-prone city, which experienced continuous haze during January 2013. The mean fine particulate (PM2.5) concentrations during January 2013 were 98–228 μg/m3, which were much higher than the mean concentration of 25 μg/m3 over 24 h suggested by the Air Quality Guidelines of the World Health Organization. This event provides a case study to evaluate the effects of extreme haze on health...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.