[1]陈镭,马井会,瞿元昊,等.2019-2020年上海地区空气质量变化特征及气象影响因素分析[J].气象研究与应用,2022,43(01):59-65.[doi:10.19849/j.cnki.CN45-1356/P.2022.1.11]
　Chen Lei,Ma Jinghui,Qu Yuanhao,et al.Analysis of air quality change characteristics and meteorological influencing factors in Shanghai from 2019 to 2020[J].Journal of Meteorological Research and Application,2022,43(01):59-65.[doi:10.19849/j.cnki.CN45-1356/P.2022.1.11]
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2019-2020年上海地区空气质量变化特征及气象影响因素分析()
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气象研究与应用[ISSN:1673-8411/CN:45-1356/P]

卷:
第43卷
期数:
2022年01期
页码:
59-65
栏目:
研究论文
出版日期:
2022-03-25

文章信息/Info

Title:
Analysis of air quality change characteristics and meteorological influencing factors in Shanghai from 2019 to 2020
作者:
陈镭1; 2;  马井会1; 2;  瞿元昊1; 2;  常炉予1; 2
1. 长三角环境气象预报预警中心, 上海 200030;
2. 上海市气象与健康重点实验室, 上海 20030
Author(s):
Chen Lei1; 2;  Ma Jinghui1; 2;  Qu Yuanhao1; 2;  Chang Luyu1; 2
1. Yangtze River Delta Environmental Meteorological Forecast and Early Warning Center, Shanghai 200030, China;
2. Shanghai Key Laboratory of Meteorology and Health, Shanghai 20030, China
关键词:
空气质量; 气象要素; PM2.5; O3
Keywords:
air quality; meteorological elements; PM2.5; O3
分类号:
X51
DOI:
10.19849/j.cnki.CN45-1356/P.2022.1.11
摘要:
利用2019-2020年上海地区6种空气污染物小时浓度和逐日空气质量分指数(IAQI)的监测资料,统计分析了上海地区空气质量变化特征及其气象因素的影响。结果表明,2020年上海地区空气质量优良率达86.9%,空气质量状况优于2019年。上海地区AQI具有冬季最差,秋季最好的季节特征,最主要的污染物已由过去的PM2.5转变为O3。分析O3和PM2.5浓度随时间的变化发现,O3浓度一天中存在一个峰值和一个谷值,而PM2.5浓度则有两个峰值和一个谷值;从逐月变化来看,O3浓度呈现春夏高,秋冬低的季节特征,而PM2.5则呈现夏秋低,冬春高的季节特征。地面风向风速、气温、日照和降水对上海地区O3和PM2.5浓度变化具有重要的影响。
Abstract:
Based on the monitoring data of hourly concentrations of six air pollutants and daily air quality sub index (IAQI) in Shanghai from 2019 to 2020,the variation characteristics of air quality and the influence of meteorological factors in Shanghai were statistically analyzed.The excellent rate of air quality in Shanghai reached 86.9% in 2020,and the air quality was better than that in 2019.AQI in Shanghai has the seasonal characteristic that AQI is the worst in winter and best in autumn.The main pollutants have changed from PM2.5 to O3.Analyzing the changes of O3 and PM2.5 concentrations with time,there was a peak and a trough in the O3 concentration in a day,while the PM2.5 concentration had two peaks and a trough.From the month-to-month change,O3 concentration showed seasonal characteristics of high in spring and summer,low in autumn and winter,while PM2.5 showed seasonal characteristics of low in summer and autumn,high in winter and spring.Surface wind direction,wind speed,temperature,sunshine and precipitation had important effects on the changes of O3 and PM2.5 concentrations in Shanghai.

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备注/Memo

备注/Memo:
收稿日期:2021-10-28。
基金项目:国家自然科学基金项目(42005055)、上海市科委自然科学基金项目(19ZR1462100)、上海气象局面上科研项目(MS202013)、上海市青年科技英才扬帆计划项目(21YF1412400)
作者简介:陈镭(1984-),女,高级工程师,硕士,主要从事环境气象预报业务和技术研究。E-mail:yuhuashi19840414@163.com
更新日期/Last Update: 1900-01-01