Dense Fog, Cold Wave Grip North, Central India; Delhi Flights Hit

• IMD issues dense to very dense fog warnings for UP, Bihar, Jharkhand, Odisha, West Bengal, Northeast, Haryana, Punjab, Himachal Pradesh.
• Delhi NCR under yellow alert with severe AQI; flights disrupted at IGI Airport due to thick fog.
• Chilly day conditions expected in Bihar, Haryana, Chandigarh, Delhi, Punjab, UP, Uttarakhand due to cold air masses.
• Cold wave grips Central India (MP) and Northern Maharashtra; dry weather predicted until December 25.
• Odisha issues fog safety advisories; South India to experience mild fog/haze, Northern Karnataka under cold wave watch.

Why It Matters: Widespread dense fog and cold wave conditions are impacting North, Central India, and Maharashtra.