Tag Archives: Kolkata

Air pollution can put a dent in solar power

Posted on August 30, 2018 by

Air pollution, especially in urban areas, can significantly reduce the power output from solar panels, and needs to be considered when design solar installations in or near cities. Ian Marius Peters, now an MIT research scientist, was working on solar … Continue reading →

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Air Quality-Life Index: Indians Would Live Four Years More if WHO Standards Are Met 

Posted on September 12, 2017 by

If the air quality is improved in India as per the World Health Organization’s air standards, Indians would gain four years on average or “a combined more than 4.7 billion life years”, according to the Air Quality-Life Index (AQLI). The AQLI tool has been … Continue reading →

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Here are some of the world’s worst cities for air quality 

Posted on March 22, 2017 by

Trying to get away from airborne ammonia? Don’t linger in Lagos or Delhi. If you’re bent on avoiding ozone, you might want to add Beijing, Karachi, and Los Angeles to your list. These are some of the cities with the … Continue reading →

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Kolkata set to beat Delhi in noxious city air 

Posted on February 6, 2017 by

This winter, Kolkata seems to be aiming hard for the crown for the most polluted Indian metro city, a dubious pole position currently held by New Delhi. Kolkata’s air pollution at the end of December was in the same category … Continue reading →

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Kolkata air quality now toxic all year

Posted on September 16, 2016 by

In the past two-and-ahalf years, Kolkata’s air qualified as ‘good’ only once for a fortnight in August 2015. In the 31 months between January 2014 and July 2016, there wasn’t a single instance when the average monthly SPM count was … Continue reading →

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From London to Delhi, air pollution kills. Why do we do nothing? 

Posted on January 19, 2016 by

Pollution in some world cities is more than 12 times higher than safe levels. Maybe it explains why residents aren’t taking to the streets to complain After a week in Kolkata, blessed with mellow sunsets created by the yellowy haze … Continue reading →

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World Environment Day: Air pollution jumps to number 5 spot among top killers, says report

Posted on June 5, 2015 by

Needless delays in executing projects have led to the worsening of air quality across several cities in the country and a new draft audit inspection report shows that the purpose of setting up continuous real time air quality monitoring stations … Continue reading →

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Kolkata air quality fails safety test

Posted on March 31, 2015 by

The city has always been polluted but the rate at which its level is increasing has turned menacing. A series of tests of ambient air quality at five crossings — carried out by TOI in association with Saviors and Friends … Continue reading →

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