IMD Warns of Extreme Cold, Fog, Pollution in North India; Rain Alert for New Year

• IMD issues alerts for severe cold, cold wave, and dense fog across North and Central India until New Year.
• Delhi-NCR faces dense fog, low visibility (100-150m at IGI/Hindon airports), causing flight delays/cancellations.
• Delhi's AQI exceeds 400 at multiple stations, indicating severe pollution.
• Rain alert issued for Delhi, Punjab, Haryana, Chandigarh, West UP, Rajasthan on Dec 31-Jan 1; 'Cold Day' for UP-Bihar.
• Schools up to 12th grade closed in Uttar Pradesh; South India expects heavy rain and strong winds.

Why It Matters: North India braces for extreme cold, fog, and pollution; rain expected around New Year.