Explained: What GRAP Stage IV Means For Delhi-NCR
Delhi-NCR is once again choking under toxic air. As pollution levels worsened, authorities invoked Stage IV of the Graded Response Action Plan, the strictest level of restrictions. GRAP Stage IV, classified as "Severe Plus", is enforced when the Air Quality Index crosses 450. On Saturday evening, Delhi's AQI touched 448, prompting immediate action across the NCR.
