Dense Fog: Delhi-NCR Airport Advisory, 150 Flights, 50 Trains Delayed, Schools Hybrid

• Dense fog engulfed Delhi-NCR, causing poor visibility and difficulties for commuters.
• IGI Airport issued a travel advisory due to dense fog, leading to over 150 flight delays.
• Around 50 trains in the Delhi division were also delayed due to the dense fog.
• Delhi's air quality worsened to 'Severe Plus' category, with AQI crossing 450.
• Schools in Delhi, Noida, and Ghaziabad shifted to hybrid/online classes due to poor air quality and GRAP Stage-IV.

Why It Matters: Delhi-NCR's severe fog and pollution disrupt travel and school operations.