India, Oct. 25 -- Bengaluru residents woke up to some good news on Saturday, five days after Diwali, as the city recorded one of the cleanest air quality levels among major metros in India. The city's Air Quality Index (AQI) stood at 32 in the morning, indicating healthy and breathable air. Hyderabad followed closely with an AQI of 45, and Chennai also recorded good air quality at 56.

In contrast, northern cities are still battling heavy pollution. Delhi's AQI reached 336 at 9:30 am on Saturday, placing it in the very poor category, while visibility in the national capital region remained low due to a thick layer of smog, said a report by The Indian Express. Ahmedabad was the only other major city with AQI levels above 150, showing unhea...