Why are Indian cities battling pollution in summer?

Winter smog may be over, but air pollution is still troubling Indian cities. From Delhi and Mumbai to Chennai and Hyderabad, several cities have recorded spikes in PM10 and ozone levels this summer. So why is pollution rising despite stronger winds and warmer weather? This video explains the science behind summer air pollution, the role of dust storms, heat and ozone, and what cities can do to tackle the problem.

Raccontata dathehindu.com