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Air Quality inside Delhi schools very unhealthy: Greenpeace
Feb 17, 2015, at 01:04 am
New Delhi, Feb 16 (IBNS): The air-quality monitoring survey carried out by Greenpeace inside five prominent schools across Delhi found the PM2.5 levels to be 4 times the Indian safety limits and 10 times that of the World Health Organisation’s.
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Air Quality inside Delhi schools very unhealthy: Greenpeace
Mon, Feb 16 2015