This report finds that as a result of good implementation of China’s Action Plan for Air Pollution Prevention and Control, the air quality of 161 cities in 2015 continued to improve as a whole.
The report shows that of the 120 data-available cities, 90 percent have reached their PM2.5 or PM10 reduction targets for 2015, and 14 have managed to cut their PM2.5 concentrations by more than 20 percent. The Pearl River Delta is the first key region to attain the National Secondary Standard for PM2.5 (35μg/m3).