1. Delhi–NCR’s winter pollution remains extreme; on 28 December 2025, Delhi recorded “hazardous” air with AQI 530, highlighting repeated seasonal spikes and worsening multi-year deterioration trends.
2. Short-term controls have included GRAP (Graded Response Action Plan) and routine mist-spray systems on central road verges to suppress dust, yet overall ambient air quality has not improved to acceptable levels.
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