275 " Blue Sky" Days in Changde City Last Year
According to the Changde City Environmental Protection Department, with the deepening of the "Blue Sky Battle", Changde City's air quality improved as compared to 2016. In 2017, 275-day air quality was rated excellent in Changde city. The environmental air quality composite index was 4.76 and the average concentration of PM10 was 77 micrograms per cubic meter. It was a 3.8% decline as compared to 2016. The average concentration of PM2.5 was 54 micrograms per cubic meter. It is a 3.6% decline as compared to 2016.
The air quality improvement in 2017 is a collaborated effort of the Changde City Air Pollution Field Inspection Team and the Volunteering Team of the Air Pollution Night Patrol.
Chinese source: www.cdyee.com
Translated by: Liu Yue