SZ ranks 6th in air quality |
2023-03-20
The air quality in Shenzhen ranked sixth out of 168 key monitoring cities in China in January and February, statistics from the Ministry of Ecology and Environment showed recently.The top five cities were Lhasa, Haikou, Fuzhou, Zhoushan and Huizhou.Statistics showed the average of PM2.5 concentration of 339 prefecture-level cities in January and February, a key indicator of air pollution, was 51 micrograms per cubic meter, up by 8.5%