Air Quality Early Warning System For Delhi

Bulletin & Message

Air Quality and Weather Bulletin for Delhi (26.02.2026)

दिल्लीकेलिएवायुगुणवत्ताऔरमौसमबुलेटिन (26.02.2026)

1. Past Weather and Air Quality Observation: The air quality over Delhi was in Poor category with CPCB AQI 228 at 4 PM on 25.02.2026. There has been rise in the minimum temperatures up to 1°C and no large change the maximum temperature during past 24 hours over Delhi. The maximum temperatures were in the range of 28-31°C and the minimum temperatures are in the range 13-15°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) at many parts of Delhi. The maximum temperatures were above normal (1.6°C to 3.0°C) 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 16 kmph from the west direction prevailed over past 24 hours. Mainly clear sky. Surface wind speed reaching up to 12 kmph from the west direction prevailed over the region in the forenoon today.

2. Mainly clear sky. Mist during night. 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) over Delhi. The predominant surface wind is likely to be from the northwest direction reaching up to 20 kmph during the afternoon hours. The wind speed will gradually decrease becoming less than 10 kmph from the west direction during evening and night on 26.02.2026. Mainly clear sky becoming partly cloudy sky towards afternoon. 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 14°C to 16°C, respectively. The minimum temperature will be above normal (1.6 to 3.0°C) most places 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 west direction with wind speed reaching up to 10 kmph during the morning hours. The wind speed will increase becoming up to 15 kmph from northwest direction during the afternoon. The wind speed will gradually decrease becoming less than 05 kmph from the southwest direction during evening and night on 27.02.2026. Mainly clear sky. 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 15°C to 17°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 (5.0°C or more) at isolated places over Delhi. The predominant surface wind is likely to be from the southwest direction with wind speed associated with calm wind reaching up to 05 kmph during the morning hours. The wind speed will increase becoming up to 10 kmph from southwest direction during the afternoon. The wind speed will gradually decrease becoming less than 05 kmph from the north direction during evening and night on 28.02.2026. Mainly clear sky. Mist during morning hours. The maximum and minimum temperatures over Delhi are likely to be in the ranges of 30°C to 32°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 many places with markedly above normal (5.0°C or more) at few 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 reaching up to 15 kmph from northwest direction in the afternoon. The wind speed will gradually decrease becoming less than 10 kmph from the northwest direction during evening and night on 01.03.2026.

3. Predicted maximum mixing depth is likely to be 2400m on 26.02.2026, 2600m on 27.02.2026, 2500m on 28.02.2026, and 2600m on 01.03.2026 over Delhi. Ventilation index is likely to be 22000m2/s on 26.02.2026, 18000m2/s on 27.02.2026, 10500m2/s on 28.02.2026 and 26000m2/s on 01.03.2026 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 26.02.2026. The air quality is likely to be in the Poor category from 27.02.2026 to 01.03.2026. 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 (26.02.2026)

1. The overall air quality of Ahmedabad was observed in the Moderate category with AQI 152 on 25.02.2026.

2. The air quality is likely to be in the Moderate category from 26.02.2026 to 28.02.2026.

Air Quality Bulletin for Mumbai (26.02.2026)

1. The overall air quality of Mumbai was observed in the Satisfactory category with AQI 93 on 25.02.2026.

2. The air quality is likely to be in the Satisfactory category from 26.02.2026 to 28.02.2026.

Air Quality Bulletin for Pune (26.02.2026)

1. The overall air quality of Pune was observed in the Satisfactory category with AQI 92 on 25.02.2026.

2. The air quality is likely to be in the Satisfactory category from 26.02.2026 to 28.02.2026.

Air Quality Index at Delhi

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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

2026-02-26 23:30

Temp 17.0 °C

Humidity 80 %

Wind 0 km/h