2015-2021年宝鸡市大气污染特征初探
Preliminary Study on the Characteristics of Air Pollution in Baoji City From 2015 to 2021
吕丹 1王蕊 2何琛3
作者信息
- 1. 宝鸡市麟游县气象局,陕西宝鸡 721500
- 2. 宝鸡市岐山县气象局,陕西宝鸡 722400
- 3. 宝鸡市气象局,陕西宝鸡 721000
- 折叠
摘要
通过分析宝鸡市2015-2021年的空气质量监测数据,结果表明:7年间,宝鸡市空气质量整体呈向好趋势,6项主要污染物除O3外均呈下降趋势,SO2、CO浓度下降最为显著,其中O3浓度上升了4.7％,SO2浓度下降了 57.3％,CO浓度下降了 53.3％.污染物变化季节差异明显,PM2.5、PM10、SO2、NO2、CO浓度均为冬季最高,夏季最低,O3相反.7年间宝鸡市NO2/SO2值由1.63上升到3.41,呈逐年上升趋势,加上O3的污染负荷不断加重,复合型污染逐渐成为宝鸡市大气污染的主要类型.
Abstract
Through analyzing the air quality monitoring data of Baoji City from 2015 to 2021,the results show that over the past seven years,the overall air quality in Baoji City has shown a positive trend.Except for O3,all six major pollutants have shown a downward trend,with SO2 and CO concentrations decreasing the most significantly.Among them,O3 concentration increased by 4.7％;SO2 concentration decreased by 57.3％,and CO concentration decreased by 53.3％.There are significant seasonal differences in pollutant changes,with PM2.5,PM10,SO2,NO2,and CO concentrations being the highest in winter and the lowest in summer,while O3 is the opposite.Over the past seven years,the NO2/SO2 values in Baoji City have increased from 1.63 to 3.41,showing an upward trend year by year.In addition,the pollution load of O3 has been continuously increasing,and composite pollution has gradually become the main type of air pollution in Baoji City.
关键词
大气污染/臭氧/宝鸡市Key words
air pollution/ozone/Baoji City引用本文复制引用
基金项目
宝鸡市气象局城市天气气候适应性研究重点实验室开放研究基金项目(202108)
出版年
2024
NETL
NSTL
万方数据