Air Quality Early Warning System For Delhi

Bulletin & Message

Air Quality and Weather Bulletin for Delhi (07.11.2025)

दिल्लीकेलिएवायुगुणवत्ताऔरमौसमबुलेटिन (07.11.2025)

Past Weather and Air Quality Observation: The air quality over Delhi was in Very Poor category with CPCB AQI 311 at 4 PM on 06.11.2025. There has been no large change in minimum temperatures and fall in maximum temperatures upto 2-3°C during past 24 hours over Delhi. The maximum and minimum temperatures over Delhi were around 25 to 27 °C and 11 to 12°C respectively. The minimum temperatures were below normal by 2-4°C and maximum temperatures were below normal by 3-5°C. Mainly clear sky conditions with predominant surface wind from the northwest direction with a wind speed up to 18 kmph prevailed during the past 24 hours. Mainly clear sky conditions with a wind speed of up to 14 kmph from the southwest direction prevailed over the region in the forenoon today.
Mainly clear sky. Mist/haze from evening onwards. The maximum temperatures were in the range of 25 to 27 °C. The maximum temperature will be below normal by 3 - 4°C. The predominant surface wind will likely to be from the northwest direction with a wind speed of up to 15 kmph during afternoon hours. The wind speed will decrease becoming less than 10 kmph from the northwest direction during the evening and night on 07.11.2025. Mainly clear sky with smog/shallow fog during morning hours. The maximum and minimum temperatures over Delhi are likely to be in the range of 26 to 28°C and 10 to 12°C respectively. The minimum temperature will be below normal up to 2 - 4^oC and the maximum temperature will be below normal up to 1 - 3^oC. The predominant surface wind will likely to be from the northwest direction with a wind speed up to 10 kmph during morning hours. The wind speed will gradually increase becoming up to 15 kmph from the northwest direction in the afternoon. The wind speed will decrease becoming less than 05 kmph from the northwest direction during the evening and night on 08.11.2025.Mainly clear sky with smog/shallow fog during morning hours. The maximum and minimum temperatures over Delhi are likely to be in the range of 27 to 29°C and 10 to 12°C respectively. The minimum temperature will be below normal up to 2 - 4^oC and the maximum temperature will be near normal. The predominant surface wind will likely to be from the northwest direction with a wind speed up to 10 kmph during morning hours. The wind speed will gradually increase becoming up to 15 kmph from the northwest direction in the afternoon. The wind speed will decrease becoming less than 05 kmph from the northwest direction during the evening and night on 09.11.2025. Mainly clear sky with smog/shallow fog during morning hours. The maximum and minimum temperatures over Delhi are likely to be in the range of 27 to 29°C and 09 to 11°C respectively. The minimum temperature will be below normal up to 3 - 4^oC and the maximum temperature will be near normal. The predominant surface wind will likely to be from the northwest direction with a wind speed up to 10 kmph during morning hours. The wind speed will increase becoming less than 15 kmph from the northwest direction in the afternoon. The wind speed will decrease becoming less than 05 kmph from the northwest direction during the evening and night on 10.11.2025.
Predicted maximum mixing depth is likely to be 1200 m on 07.11.2025, 1450 m on 08.11.2025, 1500 m on 09.11.2025, and 1400 m on 10.11.2025 over Delhi. Ventilation index is likely to be 7500 m2/s on 07.11.2025, 10500 m2/s on 08.11.2025, 9000 m2/s on 09.11.2025 and 6000 m2/s on 10.11.2025 over Delhi. The ventilation index lower than 6000 m2/s with average wind speed less than 10 kmph is unfavourable for dispersion of pollutants.
The air quality is very likely to be in the Very Poor category on 07.11.2025. The air quality is very likely to be in the Very Poor category from 08.11.2025 to 10.11.2025. The outlook for the subsequent 6 Days: The air quality is likely to be in the Very Poor category.
Detailed forecast analysis and verification can be seen at https://ews.tropmet.res.in.

Air Quality Bulletin for Ahmedabad (07.11.2025)

1. The overall air quality of Ahmedabad was observed in the moderate category with AQI 131 on 06.11.2025.

2. The air quality is likely to be in the Moderate category from 07.11.2025 to 09.11.2025.

Air Quality Bulletin for Mumbai (07.11.2025)

1. The overall air quality of Mumbai was observed in the Satisfactory category with AQI 96 on 06.11.2025.

2. The air quality is likely to be in the Moderate category from 07.11.2025 to 09.11.2025.

Air Quality Bulletin for Pune (07.11.2025)

1. The overall air quality of Pune was observed in the Satisfactory category with AQI 88 on 06.11.2025.

2. The air quality is likely to be in the Moderate category from 07.11.2025 to 09.11.2025.

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

2025-11-07 17.30

Temp 25.6 °C

Humidity 48 %

Wind 0 km/h