沙尘天气对酒泉市环境空气质量的影响

Influence of sandy weather on environmental air quality in Jiuquan City

本文利用2013-2018年酒泉市环境空气自动监测站地面气象观测资料和PM10监测数据,分析了沙尘天气对酒泉市环境空气质量的影响和风速对环境监测指标的影响,结果表明:酒泉市沙尘天气主要发生在3-5月份和11月份,沙尘天气对酒泉市PM10贡献率达18.18%~32.39%,在风速较大的情况下易扬尘,PM10浓度升高较大。

Based on the ground meteorological observation data and PM10 monitoring data of Jiuquan ambient air automatic monitoring station from 2013 to 2018,this paper analyzes the impact of dust weather on the ambient air quality of Jiuquan City and the impact of wind speed on the environmental monitoring indicators.The results show that the dust weather mainly occurs in March to May and November,and the contribution rate of dust weather to the PM10 of Jiuquan city is 18.18% ~ 32.39%, In the case of high wind speed, it is easy to raise dust and PM10 concentration increases greatly.