Delhi-NCR Chokes: AQI Soars Past 400, Smog Blankets Capital Amid GRAP 4

• Delhi-NCR faces severe pollution with AQI exceeding 400 in many areas, covered by a thick smog blanket.
• Wednesday morning (December 24) began with toxic air and reduced visibility across the capital.
• Tuesday's average AQI was 370 ('very poor'), prompting CAQM to question GRAP 4 effectiveness.
• 26 out of 40 Delhi stations recorded 'severe' air quality, with Nehru Nagar (465) and Mundka (457) among the worst.
• December has seen consistently high pollution, with AQI mostly above 300, indicating a worsening trend.

Why It Matters: Delhi-NCR's air quality remains 'severe' despite GRAP 4, with AQI over 400 in many areas.