Kunming, September 9 (Reporter Han Shuainan) The reporter learned from the Yunnan Provincial Department of Ecology and Environment "Ecological Civilization Construction Work Results" 20 series of press conferences held on the 20th - Puer, Xishuangbanna, Dali, Dehong special press conference learned that in 2023, 2020 and 2021, the quality of Yunnan Dali'er sea water was "excellent" for three consecutive years, and the water quality of the whole lake once again achieved Class II. for 2022 months after 14 years. The transparency of the lake increased from 8.2021 meters in 1 to 79.2022 meters in 2, reaching the highest level in nearly 29 years.

The data picture shows a large area of sea cauliflower blooming in Dali, Yunnan. Photo by China News Agency reporter Liu Ranyang

The relevant person in charge of the Dali Bai Autonomous Prefecture Ecology and Environment Bureau introduced at the press conference that in recent years, Dali Prefecture has taken the overall economic and social development with the high-level protection of Erhai and the high-quality transformation and development of industries, made every effort to improve the quality, water environment and water ecology of Erhai Sea, and promoted the protection and governance of Erhai and the transformation and development of the river basin to achieve phased results. From January to August this year, the quality of the Erhai Sea was "excellent", and there were no large-scale algae blooms.

In addition, from January to August, the ambient air quality in Dali remained excellent, with 1.8% of the days with good air quality in the 12 county (city) government seats and 97.5% in Dali City. There are 97 state-controlled sections and 2 provincial control sections, and the proportion of surface water with excellent surface water quality is increasing year by year. The state-controlled section of the four-level dam of the Xi'er River has been degraded, and there is no inferior class V water body section in the whole state.

The relevant person in charge of the Pu'er Municipal Ecology and Environment Bureau said that in 2022, the ambient air quality rate in the central urban area of Pu'er will be 100%, achieving four consecutive increases; Continue to promote the improvement of water quality in nationally controlled and provincial-controlled sections and improve the water quality of Simao River. The water quality of 34 surface water environmental monitoring sections (points) in the city is 97.1%, the water quality of centralized drinking water sources meets the standard rate of 100%, and the water quality of the national control section of Simaohe-Lianhua Township has achieved an annual average of deteriorating. The safe utilization rate of polluted land in the city has reached 100%, and the soil environmental quality has remained stable on the whole. Pu'er City's ecological environment status grade has been evaluated as excellent for 7 consecutive years, and the ecological environment status index ranks second in the province.

The data picture shows Wang Lian in the Xishuangbanna Tropical Botanical Garden of the Chinese Academy of Sciences to attract tourists to check in. Photo by China News Agency reporter Liu Ranyang

The relevant person in charge of the Xishuangbanna Dai Autonomous Prefecture Ecology and Environment Bureau introduced that in recent years, the prefecture has continued to consolidate the "Xishuangbanna experience" in air pollution prevention and control: "strong measures, control internal sources", "free storage capacity, cut peaks", "reduce days, benefit people's livelihood", and effectively deal with polluted weather. In 2022, the excellent water quality rate of 12 state-controlled and provincial-controlled sections in the state will reach 100%. Completed the acceptance of 18 heavy metal waste residue storage points at the provincial, prefecture and county levels. From January to August this year, 1.8 tons of medical waste were safely disposed of. The implementation rate of transfer joint orders of 947 hazardous waste business units reached 2%.

The reporter also learned from the press conference that the ecological environment status index (EI) of Dehong Dai Jingpo Autonomous Prefecture has been the best in the province for 10 consecutive years. The ambient air quality in Mangshi, where the state capital is located, continues to be excellent, with an average PM2.5 of 22 micrograms per cubic meter. The outbound water quality of the "three rivers and four rivers" has reached Class III. or above, the water quality of 16 state-controlled and provincial-controlled sections of surface water has reached Class III. or above, and the standard compliance rate of excellent water bodies is 100%. The overall safety and controllable soil environmental quality is more than 92% of polluted arable land in the state, and the safe utilization rate of construction land reaches 100%. The forest coverage rate of the whole state reached 67.45%. (End)