GRAP-IV was imposed on Dec 16. On Tuesday, Noida recorded an AQI at 269 compared to Monday's 322, while Ghaziabad recorded an AQI of 255, significantly better than 323 clocked a day ago. G reater ...
The Commission for Air Quality Management (CAQM) had implemented Stage IV of the Graded Response Action Plan (GRAP) from December 16, after Delhi's air quality deteriorated further.