Delhi air quality worsens: Will schools shift to hybrid mode under GRAP Stage III?
Delhi’s air quality has hit alarming levels, forcing authorities to implement Stage III of the Graded Response Action Plan (GRAP) on Tuesday after the AQI surged from 362 on Monday to 425 by 9 A.M. Calm winds, a stable atmosphere, and cold weather trapped pollutants near the surface, triggering a public health crisis, according to…