NEW DELHI: New Delhi residents woke up on Friday under a blanket of smog darkening the city, the most dangerous air pollution of the year after Diwali revellers defied — as usual — a fireworks ban during India’s annual Hindu festival of lights....
Over a million people are killed by toxic air in India every yearThe AQI measures the concentration of poisonous particulate matter PM2.5 in a cubic metre of air....
In Delhi, a city of nearly 20 million people, the PM2.5 reading on Friday averaged 7
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2021-11-06 00:00:00.0