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Even with farm fires at a multi-year low, Delhi-NCR's winter air remains suffocating. For most of October and November, pollution levels hovered between 'very poor' and 'severe', fuelled by a rising "toxic cocktail" of PM2.5, nitrogen dioxide (NO) and carbon monoxide (CO) emitted mainly from vehicles and other local sources. At least 22 air-quality monitoring stations in Delhi recorded carbon monoxide (CO) levels above permissible limits on more than 30 of the 59 days assessed, with Dwarka Sect ...Read More >
Gurgaon: Green crackers, with 30% less emission and that too in laboratory conditions, will make little difference to air quality when there are largescale fireworks across Delhi-NCR, pollution scientists said on Wednesday, adding they expect use of crackers to increase this time with the legal window opening after Supreme Court's order.The court lifted its earlier blanket ban but clarified that only certified, less-polluting varieties of firecrackers developed by CSIR-NEERI can be used. "Assumi ...Read More >
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