"China should raise air quality standards as persistent smog continues to have a severe public health impact despite recent improvements, a state-funded task force said."
https://www.reuters.com/world/china/china-must-raise-air-quality-standards-smog-persists-task-force-2022-04-23/
"The People’s Republic of China is the world’s leading annual emitter of greenhouse gases and mercury. This noxious air pollution threatens China’s people, as well as global health and the world’s economy.
An estimated 1.24 million people died from exposure to air pollution in the PRC in 2017, according to a recent study in the medical journal The Lancet. Since 2000, the number of people who have died from air pollution in the PRC tops 30 million, according to New Scientist magazine."
https://ge.usembassy.gov/chinas-air-pollution-harms-its-citizens-and-the-world/
"China emits more greenhouse gas than the entire developed world combined, a new report has claimed.
The research by Rhodium Group says China emitted 27% of the world's greenhouse gases in 2019.
The US was the second-largest emitter at 11% while India was third with 6.6% of emissions, the think tank said."
https://www.bbc.com/news/world-asia-57018837
"Air pollution could be the cause of 1 in 3 deaths in China, new academic research suggests"
https://time.com/4617295/china-smog-smoking-environment-air-pollution/