we just had a coal free week. https://www.bbc.co.uk/news/business-48215896
That's not that long from now. https://electrek.co/2019/05/10/ny-coal-free-2020/
In spite of such declines the US Gov attempts to show increases in coal.
https://www.eia.gov/todayinenergy/detail.php?id=38292 for example is titled "U.S. production and use of refined coal continues to increase".
Exports did go up as noted at https://www.eia.gov/todayinenergy/detail.php?id=38774 but US consumption is falling.
Mongolia has the dirtiest air in a city where people burn raw coal.
This is nothing new as they have this distinction from over a decade ago. Respiratory and lung issues are common there.