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Delhi’s pollution model fails to capture stubble burning impact
Hindustan Times Delhi
|November 11, 2025
NEW DELHI: The Decision Support System (DSS), the only source apportionment study currently available to identify sources contributing to Delhi's PM 2.5 pollution, has been failing to accurately forecast the impact of stubble burning this season, officials have said.
Severe haze engulfs NH-9 stretch near Ghaziabad's Dasna on Monday morning.
(SAKIB ALI/HT PHOTO)
In recent days, DSS forecasts projected stubble burning could contribute over 30% to Delhi's PM 2.5 levels. However, actual contributions have remained below 10% on all days, based on later fire counts. The DSS operates under the Ministry of Earth Sciences and is managed by the Indian Institute of Tropical Meteorology (ITM) in Pune.
This story is from the November 11, 2025 edition of Hindustan Times Delhi.
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