Haikou, the capital city of Hainan
Haikou was ranked as the cleanest city for air quality in China, according to the latest information revealed by World Health Organization.

The report was collected data from 1100 cities in 91 countries based on the levels of airborne particles smaller than 10 micrometers from power plants, auto exhausts and industry.

According to the WHO report, Haikou’s air quality was measured at 38 microgram per cubic meters for particles, topping the cleanest among China’s cities.

Besides, the report also shows that Lanzhou, the capital city of Gansu Province, is the worst city for air quality in China with annual average at 150 micrograms, followed by Urumqi and Beijing at 140 and 121 micrograms respectively.
Haikou has attached great importance to the environmental protection in recent years. Last year, the annual average sulfur dioxide and nitrogen dioxide release as well as particles control in the city have reached to the national first level quality standards.

Translated by WOS Team
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