Air Quality and Weather Bulletin for Delhi (12.10.2026)

दिल्ली के लिए वायु गुणवत्ता और मौसम बुलेटिन (12.10.2026)

1. Past Weather and Air Quality Observation: The air quality over Delhi was in the Moderate category with CPCB AQI 111 at 4PM on 11.10.2026. There has been fall in maximum temperatures by 1-2°C and fall in minimum temperatures by 3-5°Cover Delhi during the past 24 hours. The maximum temperatures were in the range of 30-32°C and the minimum temperatures are in the range 17-20°C respectively during past 24 hours over Delhi. The minimum temperatures are appreciably below normal (-3.1°C to -5.0°C) at isolated places, below normal (-1.6°C to -3.0°C) at many places and normal (-1.5°C to 1.5°C) over remaining parts of Delhi. The maximum temperatures were appreciably below normal (-3.1°C to -5.0°C) at many places and below normal (-1.6°C to -3.0°C) at a few places over Delhi. Moderate rain accompanied with thunderstorm/lightning has been occurred at most places over Delhi during past 24 hours. Partly cloudy sky with surface wind speed 30 kmph gusting 44 kmph from the southeast direction prevailed over Delhi during past 24 hours. Generally cloudy sky with surface wind speeds up to 15 kmph from the southeast direction likely to prevail during forenoon over the region today.

2. Partly cloudy sky. The maximum temperatures over Delhi are likely to be in the range of 31-33°C. The maximum temperatures will be below normal(-1.6°C to -3.0°C)at most places over Delhi. The predominant surface wind is likely to be from the southeast direction with surface wind speed reaching up to 18 kmph during the afternoon. The surface wind speed will decrease becoming up to 15 kmph from the southeast direction during evening and night hours on 12.10.2026. Partly cloudy sky. The maximum and minimum temperatures over Delhi are likely to be in the range of 32°C to 34°C and 20°C to 22°C, respectively. The minimum temperature will be above normal(1.6°C to 3.0°C) at most places, and the maximum temperatures will be near normal(-1.5°C to 1.5°C) at most places over Delhi. The predominant surface wind is likely to be from the southeast direction with wind speed reaching up to 15 kmph during the morning hours. The surface wind speed will increase becoming up to 18 kmph from the northeast direction during afternoon. The surface wind speed will increase becoming up to 20 kmph from the southeast direction during evening and night hours on 13.10.2026.Partly cloudy sky. The maximum and minimum temperatures over Delhi are likely to be in the range of 33°C to 35°C and 21°C to 23°C, respectively. The minimum temperature will be above normal(1.6°C to 3.0°C) at most places, and the maximum temperatures will be near normal(-1.5°C to 1.5°C) at most places over Delhi. The predominant surface wind is likely to be from the southeast direction with wind speed reaching up to 22 kmph during the morning hours. The surface wind speed will decrease becoming up to 20 kmph from the southeast direction during afternoon. The surface wind speed will decrease becoming up to 18 kmph from the southeast direction during evening and night hours on 14.10.2026. Partly cloudy sky. The maximum and minimum temperatures over Delhi are likely to be in the range of 31°C to 33°C and 21°C to 23°C, respectively. The minimum temperature will be above normal(1.6°C to 3.0°C) at most places, and the maximum temperatures will be near normal(-1.5°C to 1.5°C) at most places over Delhi. The predominant surface wind is likely to be from the southeast direction with wind speed reaching up to 20 kmph during the morning hours. The surface wind speed will increase becoming up to 22 kmph from the northeast direction during afternoon. The surface wind speed will decrease becoming up to 20 kmph from east direction during evening and night hours on 15.10.2026.

3. Predicted maximum mixing depth is likely to be 2400m on 12.10.2026, 2100m on 13.10.2026, 2000m on 14.10.2026, and 1000m on 15.10.2026 over Delhi. The ventilation index is likely to be 6000 m2/s on 12.10.2026, 6000 m2/s on 13.10.2026, 3000 m2/s on 14.10.2026 and 6500 m2/s on 15.10.2026 over Delhi. The ventilation index lower than 6000 m2/s with an average wind speed of less than 10 kmph is unfavorable for the dispersion of pollutants.

4. Air quality is likely to be in the Satisfactory category on 12.10.2026. The air quality is likely to be in the Moderate category from 13.10.2026 to 15.10.2026. The outlook for the subsequent 6 Days: The air quality is likely to be in the Moderate to Poor category.

Detailed forecast analysis and verification can be seen at https://ews.tropmet.res.in.

 For further information: https://nwp.imd.gov.in/airqualityfc_bulletin_mausam.php