The air pollution index in Beijing rose significantly on March 28, with PM10 as the main pollutant, and the air in urban areas reached serious pollution levels. The Beijing meteorological bureau has initiated a meteorological disaster (dust) Ⅳ level emergency response.
This is the second time in 13 days a sandstorm has blanketed Beijing. The dust weather is expected to gradually abate and air quality will improve after nightfall today. Photos: Li Hao/GT