In 2015, the city's air quality reached Level 2 of the national standards. A total of 340 days were rated as "good" or "basically good." Drinking water quality reached the national standards. Standards were met for 100% of the drinking water in the city's major reservoirs. The non-hazardous treatment rate of urban waste was 100%.
ECOLOGICAL GARDEN CITY
Shenzhen, dubbed City of Parks, has a pleasant natural environment. It has 889 parks which cover 181 square kilometers. The urban greenbelt coverage is 45.07%. The per capita green land was 16.84 square meters. Shenzhen has won domestic and international awards and recognitions including Nations in Bloom, UNEP's Global 500 Laureate Roll of Honor, National Hygienic City, National Model City for Environmental Protection, Model City for Protection of the Ozone Layer, National Greenery Model City and National Brilliant Tourism City.
Shenzhen built greenways totaling 2,400 kilometers in length in 2015. The ecological landscape belt, which is 187.2 kilometers long and covers 2,638 hectares, was finished. Shenzhen plans to spend 2 billion yuan in total on community park construction and build 300 community parks till 2018, increasing the coverage of park greenbelt service to 95% and the coverage of tree-lined roads to 95.6%.