【摘要】 选取新疆玛纳斯县2018—2019年空气自动站的监测数据,统计分析了臭氧浓度时空变化规律。主要结果表明,2019年臭氧为首要污染物天数同比2018年增加48.9%,2019年因臭氧浓度超标造成轻度污染天数较上年增加250%,臭氧已成为影响空气质量的重要因子之一。臭氧浓度具有明显的季节变化特征,2018—2019年玛纳斯县臭氧平均浓度均在5—8月达到全年的最高值,11月至翌年1月浓度为全年最低值,臭氧浓度整体呈现夏季高,冬季低的特点,城市形成局部臭氧超标的主要原因及其影响力的大小受温度和风速的影响。在此基础上对臭氧污染进行了溯源及影响因子分析,提出防控臭氧污染的建议。更多还原

【Abstract】 The spatial and temporal variation of ozone concentration was statistically analyzed by selecting the monitoring data of the air automatic station in Manas County, Xinjiang Province from 2018 to 2019. The main results show that the number of days in 2019 when ozone was the primary pollutant increased by 48.9% compared with that of 2018, and the number of days in 2019 when light pollution caused by excessive ozone concentration increased by 250% compared with that of the previous year. Ozone has become one of the important factors affecting air quality.The ozone concentration has obvious seasonal variation characteristics.From 2018 to 2019, the average ozone concentration in Manas County reached the highest value of the whole year from May to August, and the lowest value of the whole year was from November to January of the following year. The ozone concentration was generally high in summer and low in winter. The main reasons for the formation of local ozone exceeding the standard and its influence were affected by temperature and wind speed. On this basis, the source and influence factors of ozone pollution were analyzed, and some suggestions for controlling ozone pollution were put forward.更多还原