National Air Quality Index
Calcutta  /  Published 05.12.20

Calcutta air ‘poor’, ‘very poor’, ‘severe’

The volume of tiny particles, which can be particularly worrying amid the Covid-19 pandemic, was nearly three times the permissible limit...
By Subhajoy Roy in Calcutta

Calcutta  /  Published 03.12.20

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

Reading raises concerns that the situation would further worsen as temperatures fall...
By Subhajoy Roy in Calcutta

West Bengal  /  Published 19.10.19

Air quality ‘very poor’ in parts of Calcutta

First time three air quality monitoring stations showed “very poor” levels of PM2.5 in the air...
By Subhajoy Roy in Calcutta

India  /  Published 08.11.18

Deadly cocktail: Poison and noisy rule breakers

Burst of lawlessness in parts of the country, as Diwali revellers blow up court limits...
By Our Special Correspondent in New Delhi

West Bengal  /  Published 08.11.18

Calcutta Diwali air quality worst among metros

Revellers blow up Supreme Court sound limits, setting of loud firecrackers even at a children's hospital...
By Jayanta Basu and Subhajoy Roy in Calcutta

Delhi  /  Published 10.11.18

Delhi air quality improves to ‘very poor’

The overall air quality index in the capital was recorded at 394...
By PTI in New Delhi


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