Coordination value

Coordination level

City

Years

2010

2013

2017

0.301 - 0.490

First level coordination

Hefei Bengbu

Xuancheng Chuzhou

Hefei

Xuancheng

Chuzhou Bengbu Maanshan

Hefei

Chuzhou Bengbu

0.180 - 0.300

Secondary coordination

Maanshan

Wuhu Anqing

Maanshan

0.120 - 0.179

Three-level coordination

Huaibei Wuhu Tongling Anqing

Tongling

Huaibei Wuhu Luan Huainan Xuancheng

0.066 - 0.119

Four-level coordination

Huainan Huangshan

Huaibei Huainan Luan

Fuyang

0.030 - 0.065

Five-level coordination

Fuyang Luan

Fuyang

Chizhou

Suzhou Chizhou

<0.030

Six-level coordination

Bozhou Suzhou Chizhou

Bozhou Huangshan Suzhou

Bozhou Huangshan Tongling