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National Air Quality Index
Calcutta  /  Published 03.12.20

‘Poor’ or ‘very poor’: Calcutta’s recent air quality

Average air quality over 24 hours till 11am on the days mentioned Victoria Memorial  Poor: On December 1 and 2; November 26, 27 and 29  Moderate: On November 28 and 30  Ra...
By Subhajoy Roy in Calcutta

West Bengal  /  Published 19.10.19

Air quality ‘very poor’ in parts of Calcutta

The tiniest pollutants in air that can act as carriers of toxic carcinogenic chemicals and enter the deepest crevices of human organs have already reached “very poor” levels in several places in t...
By Subhajoy Roy in Calcutta

India  /  Published 08.11.18

Deadly cocktail: Poison and noisy rule breakers

Air quality steadily worsened across the National Capital Region on Wednesday night while Diwali revellers played hide-and-seek with a police force struggling to implement the restrictions on firecrac...
By Our Special Correspondent in New Delhi

West Bengal  /  Published 08.11.18

Calcutta Diwali air quality worst among metros

...
By Jayanta Basu and Subhajoy Roy in Calcutta

Delhi  /  Published 10.11.18

Delhi air quality improves to ‘very poor’

Delhi’s air quality on Saturday upgraded to “very poor” from “severe” after local pollutants “reduced significantly” and the contribution from stubble burning remained “marginal” due...
By PTI in New Delhi


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