The city with the best air in China is Haikou.

This city is in the very south of China, with a very long coastline and beautiful scenery, it is the capital of Hainan Province, Haikou. Haikou's development over the years has been very fast, is advocated by China's national "One Belt, One Road" strategy pivot city, China (Hainan) Pilot Free Trade Zone (Port) core city, to say that Haikou's economic potential is as big as the opening of the time of the Shenzhen.

Haikou is not only the economic potential of the development of good, its air is also good without words, its air quality perennial in China's Ministry of Ecology and Environment issued by the national 169 prefecture-level and above the air quality ranking of the first city.

The city's green coverage rate is as high as 43.5 percent, and it has been selected by the World Health Organization as China's first "World Healthy City" pilot site. Since 2017, Haikou has not had any particulate matter exceeding the standard weather. 2018, Haikou's annual ambient air quality rate reached 97.5%, air quality is so good that it gives a thumbs up.

Haikou is a seaside city, originally the air volatilization is a little faster than inland cities, these years Haikou's attention to the environment has greatly improved, Haikou's various food and beverage fume industry to install fume purifiers, but also from the people's daily travel of the motor vehicle to do a good job of looking at the prevention and control of pollution.

You have been to Sanya, you will not forget Haikou. Haikou, also known as "Coconut City", is the political, economic, scientific and technological, cultural center of Hainan Province and the largest transportation hub. Because Haikou is in the tropics, the climate is comfortable and the ecological environment is first-class. In terms of air quality, Haikou is always at the top of the air quality ranking list of 169 cities at prefecture level and above in China, which is comparable to Neijiang.