The worst year of smog in China.

The severe smog event of 5438+02 in June 20 13 in central and eastern China refers to the severe smog event from June 5438+02 to February14, which is the biggest smog pollution in China after the winter of 2013.

Chinese name

20 13 severe smog event in central and eastern China

occurrence time

20 13 12 months

The air quality index in Tianjin, Hebei, Shandong, Jiangsu, Anhui, Henan, Zhejiang, Shanghai and other places reached six levels of serious pollution, making the Beijing-Tianjin-Hebei and Yangtze River Delta regions smoggy. The daily average concentration of PM2.5, the primary pollutant, exceeded 1.50 μ g/m3, reaching 300-500 μ g/m3 in some areas, of which the pollution in Shanghai reached over 600 μ g/m3 on February 6, and reached over 65438 and 700 μ g/m3 in some areas. The area with the most serious smog pollution is located in central and southern Jiangsu. The air quality in Nanjing has been seriously polluted for five consecutive days and lasted for nine days. On February 3rd, 65438 1 1, the instantaneous concentration of PM2.5 reached 943 μ g/m3.