Analysis on the Change Trend of Ambient Air Quality in Luxian from 2016 to 2022
In order to study the trend of changes in ambient air quality in Luxian,based on the monitoring data of Luxian's ambient air automatic station from 2016 to 2022,comprehensive index,pollution load coefficient,and Spearman rank correlation coefficient were used for analysis.The results showed that the overall ambient air quality in Luxian improved from 2016 to 2022,with CO,SO2,and NO2 concentrations maintaining good and stable overall.PM10 and PM2.5 concentrations decreased significantly,and O3 pollution becoming increasingly prominent,The type of air pollution in Luxian has shifted from traditional coal smoke pollution to composite pollution characterized by motor vehicle exhaust,O3,and PM2.5,with significant seasonal differences.The above analysis results can provide a reference basis for air pollution control in Luxian.
Luxianambient air qualitychange trendpollution characteristics