-The Times of India NEW DELHI: Anti-cracker campaigns by the central and Delhi governments appeared to have made no significant impact as the capital celebrated another dirty Diwali, with fireworks well into the night, leaving the city's air choked with alarmingly high levels of pollution. Real time data showed levels of coarse pollution particles (PM 10) peak up to 19 times the national safe standard for 24 hours and levels of fine,...
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The quality of air you breathe in Chennai is worse than in Delhi -Rukmini S
-The Hindu Chennai had the highest proportion of ‘severe’ days based on AQI Official air quality data for the first half of this year shows that while Delhi does indeed face high levels of air pollution, Kanpur, Varanasi and Chennai are worse off. Averaging across the ten pollution monitoring stations in the city, a little over a quarter of the days from January to June this year in Delhi had an Air Quality...
More »Move afoot to 'dress up' Delhi's air pollution data? -Jayashree Nandi
-The Times of India NEW DELHI: Under watch across the world over the alarming quality of air in its national capital, are Indian authorities trying to shoot the messenger? The Delhi Pollution Control Committee, which runs a real-time air pollution monitoring system, has been rapped for releasing "raw" or "unedited" air quality data on its website. In a meeting last week, the Union environment ministry has decided that DPCC's data will be...
More »Diwali sends pollution levels spiralling in Delhi -Jayashree Nandi
-The Times of India NEW DELHI: The sustained anti-firecracker campaign, clampdown on Chinese crackers and a 10pm deadline do not seem to have made the city breathe any easier this Diwali than during the last one. There was no significant improvement in air quality compared to last year. The range of average PM 2.5 (fine, respirable particles) may have reduced from 201-533 microgram per cubic metre last Diwali to 145-500 microgram per...
More »India’s SO2 emissions up by 71 per cent in 5 years, shows US study -Aparna Pallavi
-Down to Earth 'CPCB underestimating pollution from coal-fired thermal power plants' Data released by NASA's Aura satellite calls into question the veracity of Central Pollution Control Board's (CPCB) claim made in 2012 that the mean sulphur dioxide (SO2) emissions in India decreased in 2010 as compared to 2001 level. A new study led by Zifeng Lu of Decision and Information Sciences Division of Argonne National Laboratory in Argonne, USA, based on images...
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