Spatial and Temporal Distribution Characteristics of Ambient Air Pollutant Concentration in a Certain City
In this paper,hourly PM2.5 and PM10 data of a certain city from 2021 to 2023 were selected to reveal the temporal variation character-istics and influencing factors of local particulate matter.The average concentration of PM2.5 and PM10 decreased by 17.61%and 15.87%,re-spectively,from 2021-2023,indicating that effective control measures during this period were effective,but still exceeded the annual limits of the Class Ⅱ standard.PM2.5 and PM10 concentrations are highest in winter and lowest in summer.In addition,the daily variation of PM2.5 and PM10 is the same,and both are bimodal and bimodal.Through the analysis of atmospheric particulate matter in the city,it provides a basis for scientific understanding of the influencing factors of air pollution in the city.
Ambient AirPollutant ConcentrationSpatial and Temporal Distribution Characteristics