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20h ago

Dense Fog Chokes Delhi-NCR Travel as AQI Turns Severe at Multiple Hotspots

Forecasters expect the stagnant, low-wind setup to hold air quality in very poor to severe bands through New Year’s Day before easing as winds pick up after January 2.

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Airport authorities urged passengers to contact their respective airlines and check for changes, if any on their flight schedules.
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Visitors walk along heritage street on a foggy morning in Amritsar on Monday (Sameer Sehgal/HT)

Overview

  • Operations at Delhi’s IGI Airport are running under CAT III low-visibility protocols, with airport and airlines warning of delays and possible cancellations.
  • Flight disruption remained heavy on Tuesday, with over 550 delays, 118 cancellations and 16 diversions, and advisories indicate knock-on impacts into Wednesday morning.
  • Northern Railways reported more than 50 train delays in the Delhi division due to poor visibility, with slow movement persisting as fog lingers.
  • Delhi’s citywide AQI hovered near 381–384 in the very poor range early Wednesday, while several stations, including Anand Vihar, ITO and Dwarka Sector 8, registered severe readings above 400.
  • Official modeling attributes the largest daily share of pollution to transport at about 15%, and IMD and early-warning systems flag limited dispersion until a wind shift expected after Jan 2–3.