Ministry of Ecology and Environment: In the first half of February, the diffusion conditions in most parts of the country were generally average, with air quality mainly ranging from good to slight pollution.

According to the WeChat public account of the Ministry of Ecology and Environment, in the first half of February, most parts of the country have generally favorable dispersion conditions, with air quality mainly ranging from good to mild pollution. However, there may be moderate to severe pollution in some areas in the northeast, central and southern parts of North China, and the central and northern parts of East China. In addition, due to the influence of sandstorm weather, there may be moderate to severe pollution in some areas in the northwest.