河南省济源市2006—2012年环境空气质量状况分析

Analysis of Atmospheric Environmental Quality during 2006- 2012 in Jiyuan

根据济源市环境空气质量监测数据，对2006～2012年济源市环境空气质量状况进行了分析。结果表明，2006—2012年济源市的环境空气优良率总体呈上升趋势，二氧化硫、二氧化氮、可吸入颗粒物污染呈现下降趋势，但浓度仍相对较高，首要污染物主要为可吸入颗粒物，老城区的污染重于新区，采暖期浓度高于其他季节。

Based on the monitoring data of atmospheric environmental quality of Jiyuan City, the atmospheric environmental quality during 2006 - 2012 of Jiyuan City was analyzed. The results showed that during 2006 - 2012 the atmospheric environment quality rate of Jiyuan City was overall upward trend, the pollution of SO2 , NO2, PM10 was downward trend, but the concentrations was relatively high, PM10 was the pri- mary pollutant, the pollution levels in old town higher than new town and in heating period higher than other seasons.