57.6 billion yuan was spent on environmental protection in 2015. 95 key projects were implemented with a total investment of 18 billion yuan.
The air qualification Index (calculated by AQI) reached 68.2%, and the annual average PM2.5 index declined by 12.1%.
66.7% of the major monitoring water quality reached Class 3 and above. The water qualification rate of centralized drinking water sources reached 100%.
The forest coverage rate of rural lands reached 29.56%, while the green coverage ratio of the urban built-up areas stood at 42.7%. The average parks and green land areas in the city proper reached 14.99 square meters. 10 demonstration zones of beautiful villages were built in Suzhou. The ratio of the harmless treatment and resources utilization of agricultural wastes stood at 96.3%.
Suzhou and Kunshan were evaluated as National Ecological and Garden Cities. Wuzhong District was ranked as the national-level demonstration zone of ecological protection and development.