Air Quality and Weather Bulletin for Delhi (11.12.2024)
दिल्ली के लिए वायु गुणवत्ता और मौसम बुलेटिन (11.12.2024)
1. Past Weather and Air Quality Observation: The air quality over Delhi was in Poor category with CPCB AQI 234 at 4 PM on 10.12.2024. There has been a fall in minimum temperature upto 03°C over Delhi/NCR during past 24hr. The Maximum and Minimum temperature over Delhi is in the range of 20 to 23°C and 04 to 08°C respectively. The minimum temperature was below normal upto 3 to 6°C and maximum temperature was below normal upto 1 to 5°C over most places. Mainly smog/ mist condition with predominant surface wind from northwest direction with wind speed reaching 10 to 18 kmph prevailed on 10.12.2024. Mainly clear sky condition with wind speed less than 12 kmph northwest direction prevailed over the region in the forenoon today.
2. The predominant surface wind is likely to be northwest direction with wind speed less than 16 kmph till evening. It would decrease thereafter becoming less than 08 kmph from northwest direction during night. Smog/mist is likely in the evening/night and mainly clear sky on 11.12.2024. The predominant surface wind is likely to be from northwest direction with speed less than 08 kmph during morning hours. Smog/mist is likely in the morning. The wind speed will increase thereafter becoming less than 16 kmph from northwest direction during afternoon. It will decrease thereafter becoming less than 08 kmph from northwest direction during evening and night. Smog/mist is likely in the evening/night and mainly clear sky with cold wave conditions at isolated places on 12.12.2024. The predominant surface wind is likely to be from northwest direction with speed less than 08 kmph during morning hours. Smog/mist is likely in the morning. The wind speed will gradually increase becoming 10-12 kmph from northwest direction during afternoon. It will decrease thereafter becoming less than 08 kmph from northwest direction during evening and night. Smog/mist is likely in the evening/night and mainly clear sky on 13.12.2024. The predominant surface wind is likely to be from northwest direction with wind speed less than 08 kmph during morning hours. Smog/mist is likely in the morning. The wind speed will increase thereafter becoming 10-12 kmph from northwest direction during afternoon. It will gradually decrease becoming less than 08 kmph from northwest direction during evening and night. Smog/mist is likely in the evening/night and mainly clear sky on 14.12.2024.
3. Predicted maximum mixing depth is likely to be 850 m on 11.12.2024, 1000 m on 12.12.2024, 850 m on 13.12.2024 and 800 m on 14.12.2024 over Delhi. Ventilation index is likely to be 4600 m2/s on 11.12.2024, 8000 m2/s on 12.12.2024, 7500 m2/s on 13.12.2024 and 5000 m2/s on 14.12.2024 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 Moderate category on 11.12.2024. The air quality is likely to be in Poor category from 12.12.2024 to 14.12.2024. The outlook for subsequent 6 Days: The air quality is likely to be in Poor category.
5. Detailed forecast analysis and verification can be seen at https://ews.tropmet.res.in.
Air Quality Bulletin for Ahmedabad (11.12.2024)
1. The overall air quality of Ahmedabad was observed in Moderate category with AQI 126 on 10.12.2024.
2. The air quality is likely to be in Moderate category from 11.12.2024 to 13.12.2024.
Air Quality Bulletin for Mumbai (11.12.2024)
1. The overall air quality of Mumbai was observed in Moderate category with AQI 131 on 10.12.2024.
2. The air quality is likely to be in Moderate category from 11.12.2024 to 13.12.2024.
Air Quality Bulletin for Pune (11.12.2024)
1. The overall air quality of Pune was observed in Moderate category with AQI 119 on 10.12.2024.
2. The air quality is likely to be in Moderate category from 11.12.2024 to 13.12.2024.
Air Quality Index Range