Air Quality Early Warning System For Delhi

Bulletin & Message

Air Quality and Weather Bulletin for Delhi (23.02.2026)

दिल्लीकेलिएवायुगुणवत्ताऔरमौसमबुलेटिन (23.02.2026)

1. Past Weather and Air Quality Observation: The air quality over Delhi was in Poor category with CPCB AQI 228 at 4 PM on 23.02.2026. There has been no large change in the minimum temperatures and rise in the maximum temperatures up to 01°C during past 24 hours over Delhi. The maximum temperatures over Delhi were around 29-31°C and the minimum temperatures are around 12°C-14°C respectively. The minimum temperatures are above normal (1.6°C to 3.0°C) at isolated places and normal (-1.5°C to 1.5°C) at remaining part of Delhi. The maximum temperatures were markedly above normal (5.1°C or more) at isolated places and appreciably above normal (3.1°C to 5.0°C) at most places over Delhi. Mainly clear sky with wind speed reaching up to 14 kmph from the northwest direction prevailed over past 24 hours. Mainly clear sky. Surface wind speed reaching up to 06 kmph from the west direction to be prevailed over the region in the forenoon today.

2. Mainly clear sky. Mist during night hours. The maximum temperatures are likely to be in the range of 29°C to 31°C. The maximum temperatures will be appreciably above normal (3.1 to 5.0°C) at most places and markedly above normal (5.1°C or more) at isolated places over Delhi. The predominant surface wind is likely to be from the north-northwest direction reaching up to 12 kmph during the afternoon hours. The wind speed will gradually decrease becoming less than 05 kmph from the northeast direction during evening and night on 24.02.2026. Mainly clear sky. Surface winds 15-25 kmph likely during the daytime. Mist during morning hours. The maximum and minimum temperatures over Delhi are likely to be in the range of 29°C to 31°C and 12°C to 14°C respectively. The minimum temperature will be near normal and the maximum temperature will be appreciably above normal (3.1 to 5.0°C) at most places over Delhi. The predominant surface wind is likely to be from direction with wind associated with calm wind and reaching up to 05 kmph during the morning hours. The wind speed will increase becoming up to 18 kmph from northwest direction during the afternoon. The wind speed will gradually decrease becoming less than 10 kmph from the west direction during evening and night on 25.02.2026. Mainly clear sky. Surface winds 15-25 kmph likely during the daytime. Mist during morning hours. The maximum and minimum temperatures over Delhi are likely to be in the range of 30°C to 32°C and 13°C to 15°C respectively. The minimum temperature will be above normal (1.6°C to 3.0°C) at most places and the maximum temperature will be appreciably above normal (3.1 to 5.0°C) at most places with markedly above normal (5.1°C or more) at isolated places over Delhi. The predominant surface wind is likely to be from the northwest direction with wind speed reaching up to 10 kmph during the morning hours. The wind speed will increase becoming up to 20 kmph from northwest direction during the afternoon. The wind speed will gradually decrease becoming less than 15 kmph from the north-northwest direction during evening and night on 26.02.2026. Mainly clear sky. Mist during morning hours. The maximum and minimum temperatures over Delhi are likely to be in the ranges of 31°C to 33°C and 14°C to 16°C respectively. The minimum temperature will be above normal (1.6°C to 3.0°C) at most places and the maximum temperature will be appreciably above normal (3.1 to 5.0°C) at most places with markedly above normal (5.1°C or more) at isolated places over Delhi. The predominant surface wind is likely to be from the west-southwest direction with wind speed reaching up to 10 kmph during the morning hours. The wind speed will increase becoming up to 12 kmph from northwest direction in the afternoon. The wind speed will gradually decrease becoming less than 05 kmph from the north direction during evening and night on 27.02.2026.

3. Predicted maximum mixing depth is likely to be 2300m on 24.02.2026, 3000m on 25.02.2026, 2050m on 26.02.2026, and 2500m on 27.02.2026 over Delhi. Ventilation index is likely to be 8000m2/s on 24.02.2026, 18500m2/s on 25.02.2026, 19000m2/s on 26.02.2026 and 18000m2/s on 27.02.2026 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 Poor category on 24.02.2026. The air quality is likely to be in the Poor category from 25.02.2026 to 27.02.2026. The outlook for the subsequent 6 Days: The air quality is likely to be in the Poor to Moderate category.

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

Air Quality Bulletin for Ahmedabad (24.02.2026)

1. The overall air quality of Ahmedabad was observed in the Moderate category with AQI 146 on 23.02.2026.

2. The air quality is likely to be in the Moderate category from 24.02.2026 to 26.02.2026.

Air Quality Bulletin for Mumbai (24.02.2026)

1. The overall air quality of Mumbai was observed in the Moderate category with AQI 102 on 23.02.2026.

2. The air quality is likely to be in the Moderate category from 24.02.2026 to 26.02.2026.

Air Quality Bulletin for Pune (24.02.2026)

1. The overall air quality of Pune was observed in the Moderate category with AQI 116 on 23.02.2026.

2. The air quality is likely to be in the Moderate category from 24.02.2026 to 26.02.2026.

Air Quality Index at Delhi

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Forecast

Air Quality Index at Pune

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Air Quality Index at Mumbai

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Air Quality Index at Kolkata

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Air Quality Index at Bengaluru

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Air Quality Index at Lucknow

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Air Quality Index at Patna

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Air Quality Index at Hyderabad

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Air Quality Index at Ahmedabad

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Air Quality Index Range

Good AQI: Good (0 - 50)
Air quality is considered satisfactory, and air pollution poses little or no risk

Satisfactory AQI: Satisfactory (51 - 100)
Air quality is considered satisfactory, and air pollution poses little or no risk

Moderate AQI: Moderate (101 - 200)
Air quality is acceptable; however, for some pollutants there may be a moderate health concern for a very small number of people who are unusually sensitive to air pollution

Poor AQI: Poor for Sensitive Groups (201 - 300)
Although general public is not likely to be affected at this AQI range, people with lung disease, older adults and children are at a greater risk from exposure to ozone, whereas persons with heart and lung disease, older adults and children are at greater risk from the presence of particles in the air

Very Poor AQI: Very Poor (301 - 400)
Health alert: everyone may experience more serious health effects

Severe AQI: Severe (401 - 500)
Health warnings of emergency conditions. The entire population is more likely to be affected

Current Weather at Delhi

2026-02-25 02:30

Temp 14.4 °C

Humidity 93 %

Wind 0 km/h