The spatio-temporal distribution characteristics of air pollutants and the correlation between them in each district of Wuhan in 2016 were analyzed by statistical method and GIS. The results showed that the seasonal characteristics of air pollution in Wuhan were obvious,and the pollution of particulate matter (PM_(2.5), PM_(10)) and NO_2 in spring and winter were prominent. The pollution of O_3 in summer was serious. The spatial distribution of pollutants varied significantly. The particulate matter and NO_2 in the main urban area and Dongxihu District,and O_3 in the suburbs were serious. The ...