摘要
以2014年1月至2015年3月中国环境保护部中心数据库里的的环境空气污染指数小时和日报数据及对应的地面气象数据作为基础数据，分析了2014年成都市大气污染特征及其气象因子分析。结果表明：2014年成都市空气质量以良和轻微污染天气状况为主，首要污染物为颗粒物PM2.5；季节上表现为冬季大气污染最严重，夏季大气污染最轻；月变化特征表现为2014年1月份污染最严重。风速以及相对湿度对颗粒物浓度影响较大，呈明显的相关性。2014年1月14日～18日污染严重，对此进行个例分析。
Based on the hourly and daily environment air pollution index data of China＇s ministry of environmental protection center database from January 2014 to march 2015, as well as the ground meteorological data during the same period of Chengdu, this paper analyzed the air pollution characteristics and correlated meteorological factors in Chengdu in 2014. The results show that in the year of 2014, the air quality is dominant by good and lightly polluted days, and the primary pollutant of Chengdu is PM2.5. The air pollution is heaviest in winter and lightest in summer. The air pollution monthly variation showed that in January 2014 the pollution is heaviest during the year. The wind speed and relative humidity have significant influence on the particle concentration, with obvious correlations. The air pollution is most serious from January 14, 2014 to January 18, 2014, which was analyzed in the cases.
出处
《四川环境》
2016年第6期79-88,共10页
Sichuan Environment
