Delhi chokes on hazardous pollution the day after Diwali
https://edition-m.cnn.com/2018/11/07/asia/delhi-auto-rickshaw-pollution-intl/index.html?r=https%3A%2F%2Fedition.cnn.com%2F
As far as the cities I've visited, the city with the most polluted air is Delhi.
Especially in the morning, I couldn't see 50m away clearly, because of heavy haze.
I saw some people was wearing handmade masks. But, when we consider that breathing air in Delhi is equivalent to smoking 20 cigarettes, it's understandable.
