Source Contributions of PM_2.5 in the Severe Haze Episode in Hebei Cities

Table 1

The source contribution (%) of PM_2.5 in different cities of China.

	Regional	Local
		Coal combustion	Industry	Dust	Transportation	Others
Beijing	28–36	22.4	18.1	14.3	31.1	14.1
Tianjin	22–34	27	17	30	20	6
Shijiazhuang	23–30	28.5	25.2	22.5	15.0	8.8
Jinan	20–32	27	18	24	15	16
Shanghai	16–36	13.5	28.9	13.4	29.2	15.0

Beijing: http://www.zhb.gov.cn/zhxx/hjyw/201404/t20140416_270592.htm.
Tianjin: http://www.tjhb.gov.cn/news/news_headtitle/201410/t20141009_570.html.
Shijiazhuang: http://www.cnemc.cn/publish/totalWebSite/news/news_42659.html.
Jinan: http://www.cnemc.cn/publish/totalWebSite/news/news_43773.html.
Shanghai: http://www.cenews.com.cn/sylm/hjyw/201501/t20150109_786239.htm.