Traditional Culture Encyclopedia - Tourist attractions - What is the negative oxygen ion content of Lianhua Mountain in Shenzhen?

What is the negative oxygen ion content of Lianhua Mountain in Shenzhen?

69,000 per cubic centimeter.

According to the data from official website, Shenzhen Culture and Tourism Bureau, due to the dense vegetation and humid climate, the content of negative oxygen ions can reach a very high level, up to about 69,000 per cubic centimeter.