The Ministry of Ecology and Environment recently released the national air quality status in single month of December and the whole year of 2018, and announced the top 20 cities with excellent air quality among the 169 key cities of China in December and in 2018. Nanning City was included in both periods, ranking the 7th in December 2018 and the 20th in the whole year.
According to the data released by the environmental protection departments of Nanning, the city enjoyed 340 sunny days with blue sky in 2018, of which 169 days have excellent air quality while 171 days have good air quality. The excellent and good rate of ambient air quality and the annual average concentration of PM2.5 in urban area exceeded the annual targets set by Guangxi Zhuang Autonomous Region, becoming one of the six cities in Guangxi reaching the national standard of acceptable air quality. Among the two indicators, the excellent and good rate of ambient air quality was 93.4%, with a year-on-year increase of 1.1 percent point; the annual average concentration of PM2.5 was 34 micrograms/m3, with a year-on-year decrease of 2.9%. In addition, six air quality evaluation indicators such as PM2.5, PM10 and sulfur dioxide all reached the national secondary standards for two consecutive years.