New Delhi, Dec. 13 -- As air quality in the national capital deteriorated sharply, slipping from 'very poor' to 'severe' and then close to the 'severe-plus' category within a single day, the Commission for Air Quality Management (CAQM) on Saturday invoked Stage 4 of the Graded Response Action Plan (GRAP), in less than 12 hours after announcing Stage 3 measures, triggering the strictest emergency curbs to contain worsening pollution levels across Delhi and the NCR.
Following the CAQM advisory, Delhi government geared into action urging government and private offices to shift employees to work-from-home and directed schools across the city to switch to hybrid mode for students up to Classes 9 and 11 as pollution levels spiked suddenly surgin...