It depends heavily on the weather, and on the season. No wind -> worse smog, more coal heating (in the winter) -> also worse smog. It does seem to be improving

It depends heavily on the weather, and on the season. No wind -> worse smog, more coal heating (in the winter) -> also worse smog. It does seem to be improving though: http://img.caixin.com/2018-11-16/1542361119634258.jpg http://img.caixin.com/2018-11-16/1542361119634258.jpg