“十五”期间贵阳市环境空气质量状况分析及评价

为了解和掌握贵阳市空气环境质量变化状况.根据贵阳市环境空气污染特点,对贵阳市"十五"期间空气污染物的监测数据进行了分析与评价.结果表明,"十五"期间环境空气质量较"九五"期间有了很大的改善;SO2浓度逐年下降,到2005年底SO2年日均值已接近国家二级标准;NO2浓度值一直稳定在国家环境空气质量一级标准;可吸入颗粒物浓度值逐年下降,2004年起达国家环境空气质量二级标准.表明,贵阳市环境空气质量已向好的方向发展.

Analysis and Evaluation on Environmental Air Quality in Guiyang City during the 10~(th) Five-year Plan Period

The monitoring data of environmental air pollution were analyzed and evaluated during the 10th five-year plan period according to the characteristic of environmental air pollution to know and grasp the change condition of environmental air quality in Guiyang city.The results showed that the air quality during the 10th five-year plan period was better than that the 9th five-year plan period,SO2 concentration in air dropped year by year and its annual dairy average value was close to the national second-class...