Delhi's air quality turns 'severe' on Diwali
New Delhi, Nov 14 (PTI) Delhi's air quality turned "severe" on Diwali with stubble burning accounting for 32 per cent of the city's PM2.5 pollution and calm winds worsening the situation as they allowed accumulation of pollutants, weather officials said.
The Ministry of Earth Sciences' air quality monitor, SAFAR, said, "Even a small increase in local additional emissions is likely to have significant deterioration impact on Sunday and Monday."
It said peak levels of PM10 and PM2.5 are expected between 1 am and 6 am in case of additional internal emissions.
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