Air Quality and Weather Bulletin for Delhi (19.07.2025)
दिल्लीकेलिएवायुगुणवत्ताऔरमौसमबुलेटिन (19.07.2025)
2. Partly cloudy sky. Very light to light rain accompanied with thunderstorms/lightning. Occasionally strong surface winds 20 - 30 kmph. The maximum temperatures over Delhi are likely to be in the range of 34 to 36°C. The maximum temperature will be near normal. The predominant surface wind will likely be from the southeast direction with a wind speed of less than 15 kmph in the afternoon. The wind speed will gradually decrease becoming 10-15 kmph from the southwest direction during evening and night on 19.07.2025. Partly cloudy sky. Very light rain. The maximum and minimum temperatures over Delhi are likely to be in the range of 35 to 37°C and 25 to 27°C respectively. The minimum temperature will be below normal up to 1 to 2°C, and the maximum temperature will be above normal up to 1 to 2°C. The predominant surface wind will likely be from the southwest direction with a wind speed of less than 12 kmph during the morning hours. The wind speed will gradually increase becoming less than16 kmph from the west direction in the afternoon. It will decrease becoming less than 12 kmph from the west direction during the evening and night on 20.07.2025. Generally cloudy sky. Very light to light rain accompanied with thunderstorms/lightning. The maximum and minimum temperatures over Delhi are likely to be in the range of 32 to 34°C and 26 to 28°C respectively. The minimum temperature will be near normal and the maximum temperature will be below normal up to 1 to 2°C. The predominant surface wind will likely be from the southwest direction with a wind speed of less than 25 kmph during the morning hours. The wind speed will gradually decrease becoming less than 15 kmph from the south direction in the afternoon. It will increase becoming less than 18 kmph from the southwest direction during the evening and night on 21.07.2025. Generally cloudy sky. Very light to light rain accompanied with thunderstorms/lightning. The maximum and minimum temperatures over Delhi are likely to be in the range of 31 to 33°C and 24 to 26°C respectively. The minimum temperature will be below normal up to 1 to 2°C and the maximum temperature will be below normal up to 1 to 3°C. The predominant surface wind will likely be from the southwest direction with a wind speed of less than 10 kmph during the morning hours. The wind speed will gradually increase becoming less than 15 kmph from the west direction in the afternoon. It will decrease becoming less than 10 kmph from the west direction during the evening and night on 22.07.2025.
3. Predicted maximum mixing depth is likely to be 1600 m on 19.07.2025, 2300 m on 20.07.2025, 1300 m on 21.07.2025, and 500 m on 22.07.2025 over Delhi. Ventilation index is likely to be 11000 m2/s on 19.07.2025, 11000 m2/s on 20.07.2025, 6000 m2/s on 21.07.2025 and 3000 m2/s on 22.07.2025 over Delhi. The ventilation index lower than 6000 m2/s with average wind speed less than 10 kmph is unfavourable for dispersion of pollutants.
4. The air quality is likely to be in the Satisfactory category on 19.07.2025. The air quality is likely to be in the Satisfactory category from 20.07.2025 to 22.07.2025. The outlook for the subsequent 6 Days: The air quality is likely to be in the Satisfactory to Moderate category.
5. Detailed forecast analysis and verification can be seen at https://ews.tropmet.res.in.
Air Quality Bulletin for Ahmedabad (19.07.2025)
1. The overall air quality of Ahmedabad was observed in the Satisfactory category with AQI 87 on 18.07.2025.
2. The air quality is likely to be in the Satisfactory category from 19.07.2025 to 21.07.2025.
Air Quality Bulletin for Mumbai (19.07.2025)
1. The overall air quality of Mumbai was observed in the Satisfactory category with AQI 65 on 18.07.2025.
2. The air quality is likely to be in the Satisfactory category from 19.07.2025 to 21.07.2025.
Air Quality Bulletin for Pune (19.07.2025)
1. The overall air quality of Pune was observed in the Satisfactory category with AQI 69 on 18.07.2025.
2. The air quality is likely to be in the Satisfactory category from 19.07.2025 to 21.07.2025.
Air Quality Index Range