Delhi-NCR Chokes in Dense Fog, AQI Soars; Snowfall Shuts Highways, Cold Wave Grips India

• Dense fog blanketed Delhi-NCR and North/East India on Dec 20-21, disrupting travel and stranding thousands.
• Heavy snowfall in Jammu and Kashmir and Himachal Pradesh led to the closure of the Srinagar-Ladakh National Highway.
• Delhi's AQI crossed 450 in Wazirpur, indicating severe air pollution amidst the cold conditions.
• IMD warns of continued dense to very dense fog in Uttarakhand, Uttar Pradesh, Haryana, Punjab, and Madhya Pradesh.
• Cold wave conditions are predicted for Maharashtra, Karnataka, and Telangana, with temperature fluctuations across North and East India.

Why It Matters: North India battles severe fog, cold wave, and snowfall; travel disrupted, AQI dangerous.