Air Quality and Weather Bulletin for Delhi (22.01.2026)

दिल्लीकेलिएवायुगुणवत्ताऔरमौसमबुलेटिन (22.01.2026)

1. Past Weather and Air Quality Observation: The air quality over Delhi was in Very Poor category with CPCB AQI 330 at 4 PM on 21.01.2026. There has been a slight fall in minimum temperature up to 1°C and fall in maximum temperatures by 1-2°C during the past 24 hours over Delhi. The maximum and minimum temperatures over Delhi were around 21°C to 24°C and 06°C to 09°C respectively. The minimum temperatures were normal (-1.5 to 1.5°C) over Delhi. The maximum temperatures were appreciably above normal (3.1 to 5.0°C) at many places, above normal (1.6 to 3.0°C) at isolated places and normal (-1.5 to 1.5°C) over remaining parts of Delhi. Safdarjung reported lowest visibility 700m from 0730 IST to 0800 IST, which thereafter improved to 800m at 0830 IST of today, 22.01.2026. Palam reported lowest visibility 800m from 0800 IST to 0830 IST, which thereafter improved to 1000m at 0900 IST of today, 22.01.2026. Mainly clear sky with predominant surface wind from the west direction with a wind speed up to 15kmph prevailed during the past 24 hours. Partly cloudy sky with wind speed reaching up to 08kmph from the variable direction prevailed over the region in the forenoon today.

2. Partly cloudy sky becoming generally cloudy sky towards evening/night. mist during night. The maximum temperatures are likely to be in the range of 23°C to 25°C. Maximum temperatures will be appreciably above normal (3.1 to 5.0°C) over Delhi. The predominant surface wind is likely to be from the southeast direction with wind speeds less than 15kmph during the afternoon hours. The wind speed will increase becoming up to 20 kmph from the southeast direction during the evening and night on 22.01.2026. Generally cloudy sky. one or two spells of light rain accompanied with thunderstorm/lightning and gusty winds speed reaching 30-40 kmph likely during early hours to forenoon hours. Another spell of very light to light rain towards afternoon/evening. Shallow to moderate fog during morning hours. The maximum and minimum temperatures in Delhi are likely to be in the ranges of 18°C to 20°C and 11°C to 13°C respectively. The minimum temperature will be appreciably above normal (3.1°C to 5.0°C) and the maximum temperatures will be below normal (-1.6°C to -3.0°C) over Delhi. The predominant surface wind is likely to be from the southeast direction with wind speed less than 20kmph during the morning hours. The wind speed will increase up to 25kmph from the southeast direction in the afternoon hours. The wind speed will decrease becoming up to 10kmph from the east-southeast direction during evening and night on 23.01.2026. Generally cloudy sky. Strong surface winds speed reaching 20-30 kmph. Shallow to moderate fog during morning hours. The maximum and minimum temperatures in Delhi are likely to be in the ranges of 16°C to 18°C and 06°C to 08°C respectively. The minimum temperatures will be near normal and the maximum temperatures will be below normal (-1.6°C to -3.0°C) over Delhi. The predominant surface wind is likely to be from the northeast direction with wind speeds less than 10kmph during the morning hours. The wind speed will increase becoming up to 12kmph from the north direction in the afternoon. The wind speed will decrease becoming up to 10kmph from north-northwest direction during the evening and night on 24.01.2026. Partly cloudy sky. Shallow to moderate fog during morning hours. The maximum and minimum temperatures in Delhi are likely to be in the ranges of 16°C to 18°C and 05°C to 07°C respectively. The minimum temperatures will be below normal (-1.6°C to -3.0°C) and the maximum temperatures will be below normal (-1.6°C to -3.0°C) over Delhi. The predominant surface wind is likely to be from the north-northwest direction with wind speeds up to 10kmph during the morning hours. The wind speed will increase becoming up to 15kmph from the north-northwest direction in the afternoon. The wind speed will decrease becoming up to 10kmph from north-northwest direction during the evening and night on 25.01.2026.

3. Predicted maximum mixing depth is likely to be 750 m on 22.01.2026, 850 m on 23.01.2026, 1250 m on 24.01.2026, and 1000 m on 25.01.2026 over Delhi. Ventilation index is likely to be 1500m2/s on 22.01.2026, 9000m2/s on 23.01.2026, 4500m2/s on 24.01.2026 and 4500m2/s on 25.01.2026 over Delhi. The ventilation index lower than 6000 m2/s with average wind speed less than 10 kmph is unfavourable for dispersion of pollutants.

4. The air quality is likely to be in the Very Poor category on 22.01.2026. The air quality is likely to be in the Moderate category from 23.01.2026 to 24.01.2026. The air quality is likely to be in the Poor category on 25.01.2026. The outlook for the subsequent 6 Days: The air quality is likely to be in the Poor to Very Poor category.

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

Air Quality Bulletin for Ahmedabad (22.01.2026)

1. The overall air quality of Ahmedabad was observed in the Moderate category with AQI 125 on 21.01.2026.

2. The air quality is likely to be in the Moderate category from 22.01.2026 to 24.01.2026.

Air Quality Bulletin for Mumbai (22.01.2026)

1. The overall air quality of Mumbai was observed in the Satisfactory category with AQI 127 on 21.01.2026.

2. The air quality is likely to be in the Moderate category from 22.01.2026 to 24.01.2026.

Air Quality Bulletin for Pune (22.01.2026)

1. The overall air quality of Pune was observed in the Moderate category with AQI 167 on 21.01.2026.

2. The air quality is likely to be in the Moderate category from 22.01.2026 to 24.01.2026.