delhi air quality

New Delhi: Amid the 21-day lockdown enforced to contain the spread of coronavirus, the air quality in the national capital improved to a 'good' category on Sunday.The overall Air Quality Index status stood at 47 with Particulate Matter 10…

New Delhi: Delhi has earned the dubious distinction of becoming the most polluted major city in the world with an air quality index (AQI) of 527 on Friday, as per data by Air Visual on the World AQI rankings. The Air Visual data is…