Analysis of Dynamic Changes of the Air Quality of Mangshi from 2016 to 2019

The dynamic changes of the air quality of Mangshi from 2016 to 2019 were analyzed according to the monitoring data. The monitoring results showed that the main air pollutants have been increasing before 2018. However, the concentration of the pollutants started to reduce in 2019 after some environmental protection measures were implemented. It showed that the air quality in Mangshi has been improved and could meet the corresponding standard currently.