New Delhi, Dec. 1 -- Local pollution sources and not the smoke from stubble burning are the leading contributors to the national capital's foul air quality this winter season, according to a report published by Centre for Science and Environment (CSE), a Delhi-based Climate think tank, on Monday.

The study examined pollution trends in Delhi and its neighbouring areas during the early winter months spanning from October 1 to November 15.

"Delhi-NCR cannot hide behind the smokescreen of farm fires any more. While farm fires have contributed much less to local air quality this winter, the state of the air we breathe has been ranging from 'very poor' to 'severe'- this exposes the huge impact that local sources are having," the report stated....