Air in India’s capital ranked world’s most polluted on eve of Diwali

New Delhi ranked as the world’s ⁠most polluted major ⁠city on Saturday ⁠morning, according to Swiss group IQAir, 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 of Diwali on Sunday, which is usually marked by the widespread use of firecrackers ⁠that further worsen the air quality. IQAir ranked Delhi ‌first for air pollution...