Delhi has taken an extraordinary step to fight its winter smog problem – by trying to make it rain artificially! The capital has launched cloud seeding, a scientific process that encourages clouds to release rain, in the hope that it will wash away the city’s choking pollution. With the air thick and grey every winter, this experiment has grabbed everyone’s attention.
What Is Cloud-Seeding?
Cloud seeding is like giving clouds a little nudge to make them rain. Scientists release tiny particles, such as silver iodide or salts, into clouds using a special aircraft. These particles help water droplets form faster and fall as rain. The rain then helps clean the air by dragging down dust and pollutants floating above the city.
Everything You Need to Know About Delhi Launching Cloud Seeding to Tackle Winter Smog:
Every winter, Delhi becomes highly polluted. Smoke from crop burning, vehicle emissions, and industrial activity mix with cold, still air, forming a thick layer of smog that traps pollutants near the ground. This makes it hard to breathe and can lead to serious health problems, especially for children and the elderly.
So, this year, Delhi has teamed up with scientists from the Indian Institute of Technology (IIT) Kanpur to run the city’s first-ever cloud seeding trial. A specially equipped plane will fly over Delhi between 28 and 30 October 2025, depending on cloud conditions. The operation will target moisture-rich clouds, which are ideal for producing rain.
If the trial succeeds, officials hope to see a noticeable drop in pollution levels. Some studies suggest air quality could improve by as much as 50% for a short period after rainfall. Authorities are hoping that even a short burst of artificial rain could bring temporary relief. However, experts warn that cloud seeding is not a permanent solution and must go hand in hand with stronger steps to reduce pollution at its source.
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