Two days by rail from Beijing to Yuncheng? Tosh, man. Seventeen hours is the travelling time these days.
Shanxi is NOT badly polluted, and that white shirt 'story' is just that. Even Linfen is much less polluted than it used to be.
You're living in the past! Things have changed very much for the better in China re environmental pollution in many places.
I am willing to bet you'd quarrelled with the Chinese teachers @ your placement school, and that said school told Mr River to remove you.
I can name far worse Chinese employers than Yuncheng IELTS.