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In an effort to tackle Delhi’s worsening air pollution, authorities in the capital organized an event in collaboration with the Indian Institute of Technology (IIT) Kanpur. cloud seeding experiment on October 28, 2025 with the goal of creating artificial rain that can help wash away the toxins and smog in the air to some extent. However, despite high expectations, little or no rain was seen especially due to inadequate atmospheric conditions lack of moisture in clouds,
The cloud-seeding effort was done using Cessna aircraftwhich took off in two stages Burari, Kheda, Mayur Vihar, Karol Bagh and surrounding areasthe plane dispersed Silver iodide and salt based flares In clouds, designed to encourage the formation of raindrops.
However, there are some necessary conditions, including sufficient Humidity (50-60%) And Temperature around -5°C To make ice crystals. Relative humidity in Delhi was nominal on Tuesday 15-20%Well below the threshold required for successful seeding.
officials had originally determined 9-10 such tests between 28th and 30th OctoberBut after the initial attempt failed, the remaining operations were carried out It was put on hold until atmospheric conditions became favorable again.,
While skies remained dry, air quality data showed a temporary pollutant decline. Real-time readings from AQI.in showed ITI Jahangirpuri, Mayur Vihar, and Karol Bagh indicated a 15-18% decline in PM2.5 levels And 17-19% reduction in PM10 concentrations During the hours following the cloud-seeding effort, it was suggested that even a small amount of intervention helped to settle the suspended particles, although only for a short period of time.
Clearly, it can be seen that being a very situation and weather dependent process, cloud seeding cannot be seen as a complete solution, but something that can provide temporary relief and compliment other strategies. The primary focus should always be on stopping pollution at the source.
Thus, despite failure, even a “failed” attempt, brought temporary relief and valuable learning as the data collected provided important insights that could help make the next rain-attempt successful, actually helping Delhi breathe easier.
Note to readers: This article is part of HT’s paid Consumer Connect initiative and has been independently created by the brand. HT does not take any editorial responsibility for the content, including its accuracy, completeness, or any errors or omissions. Readers are advised to independently verify all information.
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