Lethal smog is back in the world’s most polluted capital. Residents have had enough

It’s easy to tell when it’s smog season in New Delhi; the air gets darker, heavier and starts scratching the throats and testing the lungs of the city’s 34 million residents.

​ It’s easy to tell when it’s smog season in New Delhi; the air gets darker, heavier and starts scratching the throats and testing the lungs of the city’s 34 million residents. Read More Breaking News, Latest News and Videos | CNN