In recent years

with the increase of haze frequency

ambient air quality and air pollution are drawing increasing attentions. This study analyzed the data from the bulletin of the environmental protection agency to evaluate the ambient air quality of Jiangxi Province in 2016. The results showed that the annual mean concentrations of particulate matter（PM2.5） and particulate matter（PM2.5） in Jiangxi exceeded national air quality standards Ⅱ

which are the main contributors to the overall air pollution for the whole province. 86.4% of the days in 2016 were ranked as excellent and good air quality

which is 7.6%higher than the national average. However

compared with the previous year

3.4% drop was observed

indicating the deterioration of air quality in 2016. The proportion of days ranked as excellent and good air quality as follows: Fuzhou >Shangrao >Jingdezhen >Xinyu >Ji’an >Yingtan >Ganzhou >Nanchang >Yichun >Jiujiang >Pingxiang. Compared with the previous year

the proportion of days ranked as excellent and good air quality decreased for 7 cities

among which Yichun experienced the biggest decrease（13.4%）.