Air Quality and Weather Bulletin for Delhi (13.10.2026)

दिल्ली के लिए वायु गुणवत्ता और मौसम बुलेटिन (13.10.2026)

1.      Past Weather and Air Quality Observation: The air quality over Delhi was in the Satisfactory category with CPCB AQI 83 at 4PM on 12.10.2026. There has been fall in maximum temperatures by 1-2°C and rise in minimum temperatures by 1-3°C over Delhi during the past 24 hours. The maximum temperatures were in the range of 28-30°C and the minimum temperatures are in the range 21-22°C respectively during past 24 hours over Delhi. The minimum temperatures are 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 are markedly below normal (-5.1°C or below) at many places and appreciably below normal (-3.1°C to -5.0°C) at remaining places over Delhi. Very light rain has been occurred at isolated places over Delhi during past 24 hours. Partly cloudy sky with surface wind speed 15 kmph from the east direction prevailed over Delhi during past 24 hours. Mainly clear sky with surface wind speeds up to 12 kmph from the southeast direction likely to prevail during forenoon over the region today.

2.      Mainly clear sky. The maximum temperatures over Delhi are likely to be in the range of 32-34°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 decrease becoming up to 12 kmph from the northeast direction during evening and night hours on 13.10.2026. Mainly clear sky becoming partly cloudy sky from evening. The maximum and minimum temperatures over Delhi are likely to be in the range of 33°C to 35°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 12 kmph during the morning hours. The surface wind speed will increase becoming up to 15 kmph from the southeast direction during afternoon. The surface wind speed will decrease becoming up to 12 kmph from the northeast direction during evening and night hours on 14.10.2026. Partly cloudy sky in the morning becoming generally cloudy sky from noon. A spell of very light to light rain at many places accompanied with thunderstorm/lighting and strong winds 40-50 kmph gusting to 60 kmph most likely during afternoon to evening. Another spell of very light to light rain at many places accompanied with thunderstorm/lighting very likely during night. The maximum and minimum temperatures over Delhi are likely to be in the range of 32°C to 34°C and 19°C to 21°C, respectively. The minimum temperature will be near normal (-1.5°C to 1.5°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 18 kmph from the east direction during afternoon. The surface wind speed will decrease becoming up to 12 kmph from the northeast direction during evening and night hours on 15.10.2026. Generally cloudy sky. A spell of very light to light rain at many places accompanied with thunderstorm/lighting during early morning to noon. The maximum and minimum temperatures over Delhi are likely to be in the range of 30°C to 32°C and 18°C to 20°C, respectively. The minimum temperature will be near normal (-1.5°C to 1.5°C) at most places, and 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 wind speed reaching up to 20 kmph during the morning hours. The surface wind speed will decrease becoming up to 18 kmph from the east direction during afternoon. The surface wind speed will decrease becoming up to 15 kmph from northeast direction during evening and night hours on 16.10.2026.

3.      Predicted maximum mixing depth is likely to be 2100m on 13.10.2026, 2200m on 14.10.2026, 1500m on 15.10.2026, and 1250m on 16.10.2026 over Delhi. The ventilation index is likely to be 3000 m2/s on 13.10.2026, 5000 m2/s on 14.10.2026, 5500 m2/s on 15.10.2026 and 6100 m2/s on 16.10.2026 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 13.10.2026. The air quality is likely to be in the Moderate category from 14.10.2026 to 15.10.2026. The air quality is likely to be in the Satisfactory category on 16.10.2026. 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 information: https://nwp.imd.gov.in/airqualityfc_bulletin_mausam.php