I have visited Mumbai and now have co workers in New Delhi. I had to leave Mumbai after two days because I couldn't stand the air anymore. When I blew my nose i

I have visited Mumbai and now have co workers in New Delhi. I had to leave Mumbai after two days because I couldn't stand the air anymore. When I blew my nose it was just black stuff coming out and buy throat was constantly scratchy. And from what I hear it's even worse in New Delhi. I only hope that people will wake up soon and change.