June 4th, the reporter learned from the Xining municipal environmental work press conference, the Xining Environmental Quality Status Bulletin released in 2014, the overall stability of the city’s environmental quality in 2014. Last year, the number of days of good air quality in our city for 265 days, the fine rate was 72.8%; 7 water supplies water to three water quality requirements; regional acoustic environment quality is better, the road traffic noise increased slightly, functional area slightly compared with the previous year sound environmental quality fluctuation.
Bulletin shows that last year, the 10 monitoring sections have 4 monitoring sections to achieve the goal of water environmental function zoning, the overall cross-sectional compliance rate of 55.2%. The Huangshui River water quality conditions of moderate pollution, water quality in the river, a tributary of the Beichuan river water quality was slightly polluted, moderately polluted tributaries Nanchuan river water quality in River Bridge, Sha Tang River sand was slightly polluted, 7 water supplies water to three water quality requirements. Last year, the city’s excellent air quality days a total of 265 days, air quality excellent rate of 72.8%. The primary pollutant affecting the air quality of the environment is still the particulate matter. Last year, the regional environmental noise I sound environment in a better level. Regional environmental noise daytime average equivalent sound level is 52.5 dB, 1.8 dB lower than in 2013, reached the two standards. The noise and traffic noise have a great influence on the regional environmental noise, accounting for 64.3% and 30.3%, respectively. City traffic acoustic environment quality is better, the 35 main urban traffic noise daytime average equivalent sound level is 69.8 dB, 0.1 dB higher than 2013, reached the two standards. Functional area noise in addition to roads on both sides of the regional environmental noise in daytime and nighttime exceed the standard, the rest of the region are standard.