How is the environmental pollution in Dalian?

In 20 13 years, the ecological environment quality in Dalian was generally stable. According to AQI evaluation, the number of days with excellent air quality in urban areas is 290, and the excellent rate is 79.5%. The frequency of acid rain in this city has increased; All the evaluation indexes of the main centralized drinking water sources in the city have reached the surface water standard; The water quality of rivers mainly belongs to "Grade I" and "Grade II" categories, and the water quality of Shenqiao section of Caifang River in Fuzhou and Deng Hua section in Deng Sha is poor. Sound environment quality and electromagnetic radiation level remain stable; The overall quality of the ecological environment remained excellent, and the discharge of major pollutants in the city decreased.

The days with excellent air quality in Dalian are 79 days, accounting for 2 1.7% of the whole year. Good 2 1 1 day, accounting for 57.8% of the whole year; The days of pollution were 75 days, accounting for 20.5% of the whole year, including 50 days of light pollution, 50 days of moderate pollution 15 days and 0 days of heavy pollution 10. Among the 25 days of moderately polluted weather, 2 1 day was affected by large-scale smog, 2 days by fireworks and firecrackers during the Spring Festival, and 2 days by poor local meteorological conditions. Among all the measuring points, Ganjingzi has the largest proportion of pollution days (22%), followed by Qingniwa Bridge, and Shuangde Port has the smallest proportion of pollution days. PM2.5 is the main pollutant in urban air.

The total compliance rate of environmental noise in the city's functional areas was 89.4%, an increase of 0.4 percentage points over the previous year. The acoustic environment quality of Lushunkou District, wafangdian city, pulandian city and Zhuanghe City is good, and the compliance rate is 100%. The noise compliance rate of central city, Changhai County and Jinzhou New District is between 45.0% and 93.8%, and the areas exceeding the standard are mainly residential cultural and educational areas, commercial areas and areas on both sides of road traffic trunk lines.

The emissions of sulfur dioxide, dust and nitrogen oxides in the city are 1 19300 tons, 64200 tons and 1495438+0000 tons respectively.

The city's wastewater discharge is 575 million tons (excluding circulating seawater), including 262 million tons of industrial wastewater and 3130,000 tons of domestic sewage. The discharge of chemical oxygen demand is172,800 tons, the discharge of ammonia nitrogen is 1.4 1000 tons, and the discharge of petroleum is 466.82 tons.

The output of industrial solid waste in the city is 531.110,000 tons, and the comprehensive utilization and disposal rate is 99.97%. The annual comprehensive utilization amount was 4703 1 10,000 tons, of which the storage amount in previous years was 00 1 10,000 tons. The disposal capacity is 606,700 tons, including 0.0 1.000 tons in previous years and 0. 1.500 tons in general industrial solid waste.

The output of municipal solid waste is 1392400 tons, and the harmless treatment rate is 87.9%.