Overview
- The IMD issued orange and yellow cold-wave warnings for January 12–13 and said dense fog is likely over Delhi-NCR through about January 17.
- Delhi logged season-low readings: 2.9°C at Ayanagar on Sunday, 3.2°C at Safdarjung on Monday, and Palam around 3.0–3.3°C, its coldest January minimum in 13 years.
- The capital’s 24-hour AQI remains in the poor range near 291–298, with CPCB and the Air Quality Early Warning System forecasting a slide to very poor from January 12 to 14.
- Low visibility prompted CAT III operations and delays at IGI Airport, and dense fog was linked to crashes in Bihar, including a fatal collision near Patna.
- Mumbai’s air ranged from an unhealthy citywide AQI near 205 with severe local hotspots to moderate on Sunday, with reports citing construction dust as a key driver.