[Ministry of Ecology and Environment releases results of National Air quality Forecast meeting in the first half of May] the Ministry of Ecology and Environment released the results of the national air quality forecast meeting in the first half of May. In the first half of May, most of the air quality in the country was mainly good to mild pollution, affected by sand and dust weather. Beijing-Tianjin-Hebei, north-central Yangtze River Delta, Jiangsu-Anhui-Shandong-Henan, north-central Fen-Wei Plain, Hubei, western Inner Mongolia, Gansu, Ningxia, central and northern Shaanxi some cities may have moderate or more pollution; serious pollution may occur in most of Beijing-Tianjin-Hebei, north-central Henan, western Shandong and southern Xinjiang.