Delhi, Air quality index

Whatever the causes of the smog, by one ranking Delhi was not just the most polluted city in the world, but “nearly five ...
Air pollution chokes New Delhi every winter, but this year's smog has already derailed everything from transport and road ...
Authorities in India’s capital have shut schools, halted construction and banned non-essential trucks from entering the city ...
India's capital city of Delhi has virtually shut down as air pollution hit "severe plus" levels, according to Indian ...
India's capital was left gasping this week as air pollution smog reduced visibility to near zero and raised air quality ...
A thick, toxic smog has enveloped India's capital, home to more than 33 million people. One technology firm which monitors ...