Bright and beijing-tianjin-hebei again in "haze v" 11 to 12, the most serious day and night

China's weather webex Central meteorological station is expected, 9-12, north China, huanghuai haze will come again, serious time appeared in 11 to 12 at night, some areas will have heavy haze, the peak concentration of PM2.5 in Beijing will amount to 300-400 microgram/cubic meter, central and southern hebei peak concentration will reach 400-500 microgram/cubic meter, should pay attention to public health protection. In early December, influence our country's cold empty...