UP Freezes Under Red Alert Cold Wave; Delhi NCR Chokes on Dangerous Air Pollution.

• Uttar Pradesh faces a severe cold wave and dense fog, with IMD issuing a 'Cold Day' warning for 14 cities.
• Red, Orange, and Yellow alerts are in effect across various districts, impacting visibility and causing significant temperature drops.
• Kanpur recorded the lowest minimum temperature at 6.0 degrees Celsius, while Lucknow is also experiencing dense fog.
• Ghaziabad, Noida, and Greater Noida in Delhi NCR report 'very poor' to 'severe' AQI levels (358-399), leading to GRAP 4 implementation.
• Schools up to Class 5 are online, and up to Class 12 are hybrid in Ghaziabad due to hazardous pollution; a fog-related accident in Sultanpur killed two.

Why It Matters: UP battles extreme cold and fog, while Delhi NCR faces dangerous air pollution and school closures.