Delhi Gripped by Dense Fog, 'Very Poor' AQI, Cold Wave; Flight Disruptions Expected

• Delhi-NCR's air quality deteriorated to 'very poor' (AQI 386) with dense fog reducing visibility.
• IMD forecasts cold wave conditions from Jan 2-5 and dense to very dense fog until Jan 6.
• Visibility dropped to 500 meters at Safdarjung and Palam, risking transport disruptions.
• Pollution spike attributed to unfavorable ventilation index and low wind speeds preventing pollutant dispersion.
• Air India and IndiGo issued advisories, warning of flight disruptions due to dense fog and low visibility.

Why It Matters: Delhi faces severe cold, dense fog, and 'very poor' air quality, leading to widespread disruptions.