Red Alert in Delhi: Dense Fog Cancels 140+ Flights, Disrupts Travel

• Dense fog blanketed Delhi-NCR on December 31, reducing visibility to 50 metres at Palam and Safdarjung.
• A red alert was issued by the weather department due to severe fog conditions affecting the region.
• Over 140 flights (78 arriving, 70 departing) were cancelled at Indira Gandhi International Airport; trains also affected.
• Flight operations are under CAT III protocols, leading to delays and diversions; airlines like IndiGo and Air India issued advisories.
• Delhi's air quality remained 'very poor' to 'severe', with an average AQI of 384 and Anand Vihar at 452.

Why It Matters: Dense fog caused a red alert in Delhi, severely impacting air and rail travel, and worsening air quality.