Winter Air Pollution
News  /  Published 06.06.22

Kolkata air was second worst among 4 metros in October to December 2021

The city’s air quality dropped from “good” to “very unhealthy” in the last three months of 2021, says a report released by the West Bengal Pollution Control Board on Sund...
By Jayanta Basu in Kolkata

News  /  Published 30.12.21

25% of PM 2.5 load in Kolkata from outside, says study

Bose Institute’s findings point out that during the duration of their study, the overall load of PM 2.5 in the city increased by about 50 per cent. PM 2.5 particulates — 0.5 to 1 micron i...
By Jayanta Basu in Kolkata

News  /  Published 17.11.21

Winter steps listed for Kolkata air quality

An environment activist has written to senior state government officials suggesting a few measures this winter to ensure that Kolkata’s air quality stays within safe limits. Bonani Kakkar, who ...
By Subhajoy Roy in Kolkata

News  /  Published 06.11.21

‘Severe’ label on Diwali air in Kolkata

The city’s air quality index soared well above 400, deemed severe, on Diwali midnight. The air pollution at Diwali midnight in the residential part of Kolkata was almost double the value compar...
By Jayanta Basu in Kolkata

News  /  Published 03.11.21

Air quality alert before Diwali

Three air quality monitoring stations in the city reported ‘poor’ air quality on Tuesday, highlighting the need to refrain from bursting firecrackers, which release poisonous gases an...
By Subhajoy Roy in Kolkata


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