Delhi world’s most polluted major city on eve of Diwali, Swiss group says

Delhi was the world’s most polluted major city on Saturday morning, according to Swiss ​group IQAir’s live ranking, as the Indian ‌capital faced severe pollution forecasts a day before Diwali, the Hindu festival of lights. India has ordered schools in and ​around Delhi to offer online classes, and ​encouraged people to work from home ahead…

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