PM_(2.5)对环境空气质量评价结果的影响分析

从2011年12月1日开始在常规空气监测点对影响吉林市空气质量的两个颗粒物指标PM2.5和PM10进行了同步比对监测。结果表明:PM2.5和PM10有显著的相关性,相关系数为0.982;采暖期PM2.5和PM10的比值平均为0.57。分别采用现行和新标准对监测结果进行了评价,其结果好于二级天数将比现行标准评价结果减少12.4%。

Analysis on Effect of PM2.5 on Environmental Air Quality Evaluation Result

PM2.5 and PM10,the primary pollutants affecting on environmental air quality in Jilin City,were monitored comparatively at routine monitoring sites from December 1,2011.The results showed that: PM2.5 and PM10 had significant correlation,and the correlation coefficient was 0.982;during the heating period,the average ratio between PM2.5 and PM10 was 0.57.The monitoring data was evaluated by existing and new standard respectively.The result showed that: the number of days which the air quality was better than second order would reduce by 12.4% when the new standard was implemented.