Delhi AQI 427: Schools online for Class 5 & below; GRAP-IV invoked.

• Delhi schools shifted students up to Class 5 to online classes due to severe air pollution, with an AQI of 427.
• Physical classes for Nursery to Class 5 are suspended until further notice; higher classes will continue in hybrid mode.
• Delhi's Air Quality Index (AQI) was recorded at 427, following a recent high of 461, the second-highest December reading on record.
• The Commission for Air Quality Management (CAQM) has invoked Stage IV of the Graded Response Action Plan (GRAP) for Delhi-NCR.
• GRAP-IV includes strict curbs such as halting construction and restricting polluting vehicles to address the deteriorating air quality.

Why It Matters: Delhi's severe pollution forces online classes, affecting children's education and health.