'Very poor' AQI: Thick smog engulfs Delhi; Stage-III GRAP restrictions return

Delhi grapples with severe smog as AQI hits 402, prompting Stage-III of GRAP. Restrictions on older vehicles and construction are now in effect to combat rising pollution. While the cold wave has ended, temperatures remain below normal, with dense fog also impacting visibility. Authorities are implementing a nine-point action plan to curb the deteriorating air quality.