Air quality most foul even in green zone

KOLKATA: The city is experiencing its foulest spell of pollution in recent years with the air quality index considerably worse than previous years.

Read More
Publication Date: 
05/12/2018
Times of India (Kolkata)
Tags:
West Bengal, Air Pollution, Air Quality Index (AQI), National Envirnmental Engineering Research Institute (NEERI), Pollution Under Control Certification, Vehicular Pollution