The national meteorological center issued haze yellow warning Places such as north huanghuai will have a haze

North China huanghuai in haze weather today. South-central 20 today, Beijing, tianjin, hebei, henan, shaanxi guanzhong northern and southern liaoning parts of moderate haze, local severe haze, Beijing most of PM2.5 concentrations between 250-350 microgram/cubic meter. The central meteorological station at 16, 18 released the haze yellow warning: 16 to 17, 20, is expected to central and southern Beijing, tianjin, hebei,...