Does pollution keep you up at night?

Does pollution keep you up at night? In 2015, Delhi topped World Health Organisation’s list of most polluted cities with an Air Quality Index (AQI) of 360. The AQI in 2016 was a hazardous 445. But 2017 was the cleanest Diwali Delhi has seen in 3 years, with an AQI of 319 as the government […]