Delhi's air quality 'severe' again
New Delhi, Nov 9 (PTI) Delhi's air quality slipped to the "severe" category again on Tuesday with stubble burning accounting for 27 per cent of its PM2.5 pollution, authorities said.
Low temperature -- Delhi recorded a minimum of 13.5 degrees Celsius on Tuesday, the season's lowest so far -- allowed accumulation of pollutants, said Mahesh Palawat, vice president (meteorology and climate change), Skymet Weather.
The minimum temperature is expected to dip to 10 degrees by November 15, the India Meteorological Department said.
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