Fog is not dangerous, but the smog can be if you are exposed for long periods of time. If you are there for a week or so you will be fine.
It is not fog, but smoke from factories, fires and vehicles. Probably will still be there next year.
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.