Kolkata’s air quality severe on New Year’s Day

The city’s air quality index became ‘severe’ on the New Year’s Day morning, 10 hours after the state pollution control board’s computerised monitors showed it to be ‘very poor’ at midnight. A West Bengal Pollution Control Board (WBPCB) official Tuesday said one of the key factors for the change in pollution level within 10 hours is bursting of firecrackers to celebrate the new year. Continue Reading