Weather Update 15 Dec 2025: Severe Cold Wave Freezes Telangana, Delhi Gasps at AQI 461, Fog Alert for UP

 New Delhi | December 15, 2025: The weather map of India has flipped the script today. While North India is battling a toxic "Gas Chamber" situation with hazardous pollution and dense fog, South India—specifically Telangana—is witnessing a bone-chilling cold wave that has pushed temperatures lower than some northern cities.

Here is your comprehensive weather forecast for today, Monday, December 15.

1. North India: Toxic Smog & Zero Visibility

The week begins on a grim note for the National Capital Region (NCR) and surrounding states.

• Delhi Pollution Crisis: Delhi is choking under a blanket of poisonous smog. The Air Quality Index (AQI) has breached the 'Severe Plus' category, recording a hazardous 461 this morning. Areas like Anand Vihar and Jahangirpuri have touched the 490-500 mark, forcing residents indoors.

• Fog Warning: A "Very Dense Fog" alert has been issued for 16 cities across Uttar Pradesh, Punjab, and Haryana. Visibility dropped to near zero (0-50m) in Amritsar, Lucknow, Kanpur, and Ayodhya this morning, disrupting trains and flights.

• The Chill: Despite the smog, the cold is biting. Delhi’s minimum temperature has dipped to 7°C, while widespread cold conditions prevail in Punjab and Haryana.

2. South India: Telangana Shivers at 6°C

The biggest weather surprise is in the South, where a severe cold wave has gripped the interior regions.

• Telangana Cold Wave: The IMD has issued a Severe Cold Wave Warning for districts like Adilabad, Sangareddy, and Medak. Shockingly, Moinabad on the outskirts of Hyderabad recorded a freezing 6.3°C, making it colder than London!.

• Bengaluru Weather: The Garden City is seeing misty mornings. Minimum temperatures are hovering around 14°C, with a further dip expected in the next 48 hours.

• Chennai Forecast: In contrast, Chennai is enjoying sunny and pleasant weather. With a max temperature of 28°C and no rain prediction for today, it is a perfect day for commuters.

City	Condition	Temp (Max / Min)	AQI / Alert
New Delhi	Toxic Smog	24°C / 07°C	Severe (461+)
Hyderabad	Cold Wave	29°C / 06°C*	Severe Cold
Mumbai	Sunny/Haze	31°C / 20°C	Moderate
Chennai	Sunny/Clear	28°C / 23°C	Good
Kolkata	Sunny	27°C / 16°C	Moderate
Lucknow	Dense Fog	23°C / 09°C	Fog Alert
Bengaluru	Mist/Cool	29°C / 14°C	Chilly Morning

( Note: Hyderabad outskirts recorded ~6°C)

4. Important Advisory for Today

• For Delhi-NCR: With AQI at 461+, N95 masks are mandatory if you are stepping out. Avoid morning walks as the toxic air can cause severe respiratory distress.

• For Highway Travellers: Driving on the Yamuna Expressway or Agra-Lucknow Expressway? Be extremely cautious. Use fog lights and keep speed limits low due to near-zero visibility.

• For South India: Residents in Telangana and North Karnataka should layer up at night. The sudden drop in temperature is risky for children and the elderly.