China’s air quality improved last year, benefiting from coronavirus-related shutdowns as well as tougher industrial controls, government data showed.Concentrations of lung-damaging small particles known as PM2.5 in 337 cities fell an average 8.3 per cent to 33 micrograms per cubic metre over the year, according to the Ministry of Ecology and Environment.The smog-prone region that encompasses Beijing, the city of Tianjin and the province of Hebei saw average PM2.5 levels drop 10.5 per cent to…

This post was originally published on South China Morning Post.