Analysis of the Change Characteristics of PM2.5 and PM10 Concentrations in Tianjin

Abstract

This paper studied the time series of daily average concentration of PM2.5 and PM10 in Tianjin The time series of daily average concentration were studied to analyze their annual change rules and mutation characteristics, and the annual change rules of PM2.5 concentration and PM10 concentration time series were compared. It is concluded that PM2.5 and PM10 have similar change rules, corresponding policies should be formulated to reduce pollution emission, reduce the pollution emission of heavy industry in winter.