摘要
Abstract
In order to study the influence of meteorological conditions on ozone generation,the characteristics of ozone pollution and its relationship with meteorological factors from October 2022 to September 2023 was analyzed in this paper based on online monitoring data and meteorological data of Jinshan District,Shanghai in the North Shore of Hangzhou Bay.This study provides important technical support for the prevention and control of regional ozone pollution.The results showed that ozone pollution mainly occurred from April to September 2023,and the heavy pollution was concentrated from May to June 2023 in the North Shore of Hangzhou Bay.The highest ozone concentration occurred in Q2,2023.Diurnal variation of ozone concentration showed a single peak type,with the greatest concentration at 15:00.The highest NOx concentration occurred in Q4,2022.Diurnal variation of NOx concentration showed a weak bimodal structure,with the highest concentration around 08:00.NOx has titling effect on ozone.There was a close relationship between ozone concentration and meteorological elements in the North Shore of Hangzhou Bay.High temperature,low humidity,south wind and southeast wind were prone to ozone pollution.Ozone generation was favored under meteorological conditions with temperature greater than 25 ℃ and relative humidity less than 60％.Under the southeast wind and south wind,the wind speed of 2.0～3.5 m/s,and the influence of air mass transmission on the south shore of Hangzhou Bay,the highest ozone concentration was more likely to appear on the north shore of Hangzhou Bay.关键词
臭氧污染/气象因子/氮氧化物Key words
Ozone pollution/meteorological factor/NOx分类
资源环境
