Analysis of Spatiotemporal Distribution Characteristics and Sources of Atmospheric Dust Pollution in Anning City
Based on the dust monitoring data of Anning City in the past four years(December 2019 to November 2023),this article analyzes the distribution characteristics of dust pollution in Anning City in the past four years,aiming to provide references for air pollution prevention and control work in Anning City.The results show that the average annual dust reduction in Anning City in the past four years is lower than the refer-ence standard of 8 tons/square kilometer·month in Kunming area,and shows downward trend.The season with the highest dust reduction is in spring.Except for the second year,the seasonal variation trend of dust reduction in Anning City for the remaining three years is spring>sum-mer>autumn>winter,and the seasonal difference in dust reduction is not significant.The sources of atmospheric dust pollution in Anning City include road dust,construction site dust,and industrial enterprise exhaust gas dust.
国家科技期刊平台
NSTL
万方数据
