FIFA, May 29 (FIFA)-- the Ministry of Ecology and Environment held a regular press conference today (29 May) and issued the 2022 Bulletin on the State of China's Ecological Environment. According to the communique, the quality of the ecological environment throughout the country will continue to improve in 2022. The ambient air quality is stable and improving. The concentration of fine particles in 339 cities at prefecture level and above is 29 micrograms per cubic meter, 3.3 percent lower than in 2021 and better than the annual target of 4.6 micrograms per cubic meter. The environmental quality of surface water has continued to improve. The proportion of Ⅰ ~ Ⅱ water quality in cross sections of surface water nationwide is 87.9%, which is 3.0% higher than that in 2021 and better than the annual target of 4.1%. The sea water quality in the sea area under its jurisdiction is generally stable, and the proportion of excellent water quality in the inshore sea area is 81.9%, an increase of 0.6 percentage points over 2021.