Air Quality and Weather Bulletin for Delhi (10.10.2026)

दिल्ली के लिए वायु गुणवत्ता और मौसम बुलेटिन (10.10.2026)

1.    Past Weather and Air Quality Observation: The air quality over Delhi was in the Moderate category with CPCB AQI 176 at 4PM on 09.10.2026. There has been no large change in maximum temperatures and fall in minimum temperatures by 1-2°C at most places over Delhi during the past 24 hours. The maximum temperatures were in the range of 34-36°C and the minimum temperatures are in the range 21-24°C respectively during past 24 hours over Delhi. The minimum temperatures are appreciably above normal (3.1°C to 5.0°C) at isolated places, above normal (1.6°C to 3.0°C) at a few places and normal (-1.5°C to 1.5°C) over remaining parts of Delhi. The maximum temperatures were above normal (1.6°C to 3.0°C) at a few places and normal (-1.5°C to 1.5°C) over remaining parts of Delhi.  Partly cloudy sky with surface wind speed 15 kmph gusting up to 33 kmph from the southeast direction prevailed over Delhi during past 24 hours. Partly cloudy sky with surface wind speeds up to 18 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 33-35°C. 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 surface wind speed reaching up to 15 kmph during the afternoon. The surface wind speed will increase becoming up to 20 kmph from the southeast direction during evening and night hours on 10.10.2026. Partly cloudy sky. The maximum and minimum temperatures over Delhi are likely to be in the range of 32°C to 34°C and 22°C to 24°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 18 kmph from the southeast direction during afternoon. The surface wind speed will increase becoming up to 20 kmph from the east direction during evening and night hours on 11.10.2026. Partly cloudy sky. The maximum and minimum temperatures over Delhi are likely to be in the range of 33°C to 35°C and 22°C to 24°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 18 kmph from the southeast direction during afternoon. The surface wind speed will increase becoming up to 20 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 33°C to 35°C and 23°C to 25°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 decrease becoming up to 15 kmph from the southeast direction during afternoon. The surface wind speed will increase becoming up to 20 kmph from the east direction during evening and night hours on 13.10.2026.

3.    Predicted maximum mixing depth is likely to be 1900 m on 10.10.2026, 1950 m on 11.10.2026, 2500 m on 12.10.2026 and 2600 m on 13.10.2026 over Delhi. The ventilation index is likely to be 5300 m²/s on 10.10.2026 and 4800 m²/s from 11.10.2026 to 13.10.2026 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 Moderate category on 10.10.2026. The air quality is likely to be in the Moderate category from 11.10.2026 to 13.10.2026. The outlook for the subsequent 6 Days: The air quality is likely to be in the Moderate to Poor category.

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

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