From the perspective of ecological civilization，it studies the evolution characteristics of Guiyang city through air quality changes in recent 10 years and comparison air comprehensive index with other cities. And，the overall evaluation of the air quality in the environment is made in the study. This study analyzes the changes of the main pollutants—PM10 and PM2.5 in air during four seasons of Guiyang City，as well as the haze phenomenon appeared in Guiyang in 2013-2014，which helps to conclude the characteristics and the causes of haze weather. And then，it puts forward some countermeasures for the control and prevention of haze in Guiyang city.