India, Dec. 15 -- As Delhi continues to reel under dangerously high air pollution levels, the government has directed schools to move from a hybrid system to fully online classes for students up to Class V, an official order said.

The latest directive comes a day after authorities announced strict anti-pollution curbs under Stage 4 of the Graded Response Action Plan (GRAP) to tackle the worsening air quality.

Earlier on Saturday, the Delhi Directorate of Education (DDE) had allowed schools to function in a hybrid mode, a mix of physical and online classes, for several grades.

A circular dated December 13 had instructed all heads of government, government-aided and unaided recognised private schools under the Directorate of Education, N...