Delhi AQI hits 455: GRAP stage III–IV curbs kick in; 50% WFH for offices, hybrid classes for schools

Delhi faces severe air pollution as AQI crosses 450, triggering Stage IV of the Graded Response Action Plan. Restrictions include a ban on BS III petrol and BS IV diesel vehicles, work-from-home for 50% of office staff, and a halt to construction. These measures aim to curb pollution and protect public health.