Numbers say Delhi air quality best in 4 years but is that enough?

One of the most widely celebrated festivals in India is Diwali and when we talk about Diwali, one of the cities which goes to lengths to make Diwali large is New Delhi. This 'larger than life' Diwali celebration leads to further deterioration of the already polluted Delhi air. Every year the air quality index dips drastically post Diwali. 

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