Air Quality Early Warning System For Delhi

Bulletin & Message

Air Quality and Weather Bulletin for Delhi (20.02.2026)

दिल्लीकेलिएवायुगुणवत्ताऔरमौसमबुलेटिन (20.02.2026)

1. Past Weather and Air Quality Observation: The air quality over Delhi was in Poor category with CPCB AQI 208 at 4 PM on 19.02.2026. There has been rise in minimum temperatures up to 1 - 2°C and rise in maximum temperatures by 05 - 07°C during past 24 hours over Delhi. The maximum temperatures over Delhi were around 25 -28°C and the minimum temperatures are around 13°C-14°C respectively. The minimum temperatures are above normal (1.6°C to 3.0°C) at few places and normal (-1.5°C to 1.5°C) at many places over Delhi. The maximum temperatures are appreciably above normal (3.1°C to 5.0°C) at few places and above normal (1.6°C to 3.0°C) at isolated places and normal (-1.5°C to 1.5°C) over the remaining parts of Delhi. Mainly clear sky with wind speed reaching up to 12 kmph from the northwest direction prevailed over past 24 hours. Mainly clear sky. Surface wind speed reaching up to 08 kmph from the southwest direction to be 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 27°C to 29°C. The maximum temperatures will be above normal (1.6 to 3.0°C) over Delhi. The predominant surface wind is likely to be from the northwest direction reaching up to 10 kmph during the afternoon hours. The wind speed will decrease becoming up to 08 kmph from the west direction during evening and night on 20.02.2026. Mainly clear sky. Mist during morning hours. The maximum and minimum temperatures over Delhi are likely to be in the range of 27°C to 29 °C and 12°C to 14°C respectively. The minimum temperatures will be near normal and the maximum temperatures will be above normal (1.6°C to 3.0°C) over Delhi. The predominant surface wind is likely to be from the 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 decrease becoming up to 05 kmph from the south direction during evening and night on 21.02.2026. Mainly clear sky. Mist during morning hours. The maximum and minimum temperatures over Delhi are likely to be in the range of 28°C to 30°C and 12°C to 14°C respectively. The minimum temperatures will be near normal and the maximum temperatures will be appreciably above normal (3.1°C to 5.0°C) 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 15 kmph from southeast direction during the afternoon. The wind speed will decrease becoming up to 10 kmph from the east direction during evening and night on 22.02.2026. Mainly clear sky. Mist during morning hours. The maximum and minimum temperatures over Delhi are likely to be in the ranges of 29°C to 31°C and 13°C to 15°C respectively. The minimum temperatures will be above normal (1.6°C to 3.0°C) and the maximum temperatures will be appreciably above normal (3.1°C to 5.0°C) over Delhi. The predominant surface wind is likely to be from the south 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 15 kmph from northeast direction in the afternoon. The wind speed will decrease becoming up to 10 kmph from the northeast direction during evening and night on 23.02.2026.

3. Predicted maximum mixing depth is likely to be 1500m on 20.02.2026, 1600m on 21.02.2026, 2600m on 22.02.2026, and 2900m on 23.02.2026 over Delhi. Ventilation index is likely to be 4500m2/s on 20.02.2026, 8000m2/s on 21.02.2026, 11000m2/s on 22.02.2026 and 7500m2/s on 23.02.2026 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 20.02.2026. The air quality is likely to be in the Poor category from 21.02.2026 to 23.02.2026. 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 (20.02.2026)

1. The overall air quality of Ahmedabad was observed in the Moderate category with AQI 128 on 19.02.2026.

2. The air quality is likely to be in the Moderate category 20.02.2026 to 22.02.2026.

Air Quality Bulletin for Mumbai (20.02.2026)

1. The overall air quality of Mumbai was observed in the Satisfactory category with AQI 67 on 19.02.2026.

2. The air quality is likely to be in the Moderate category from 20.02.2026 to 22.02.2026.

Air Quality Bulletin for Pune (20.02.2026)

1. The overall air quality of Pune was observed in the Moderate category with AQI 141 on 19.02.2026.

2. The air quality is likely to be in the Moderate category from 20.02.2026 to 22.02.2026.

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

2026-02-21 05:30

Temp 15.4 °C

Humidity 96 %

Wind 0 km/h