India has begun cloud seeding trials over Delhi in an unprecedented effort to tackle the city’s hazardous smog levels. The government, in collaboration with IIT Kanpur, successfully conducted a test flight to assess readiness for inducing artificial rainfall aimed at reducing toxic particulate pollution.
Delhi faces severe air pollution every winter, often reaching hazardous “severe” levels. On October 23, 2025, a Cessna aircraft operated by IIT Kanpur conducted a four-hour proving flight from Kanpur to Delhi, firing cloud-seeding flares over the Burari region. The trial tested aircraft capability, flare deployment systems, and inter-agency coordination as preparatory steps toward full-scale cloud seeding. If weather conditions remain favorable, Delhi may experience its first-ever artificial rain between October 28 and October 30.
Notable Updates:
The cloud seeding project is aimed at washing out fine particulate matter (PM2.5 and PM10), significantly impacting Delhi’s air quality [Economic Times].
Flares containing silver iodide and sodium chloride were fired in the successful test to induce precipitation [Indian Express].
Delhi government signed an MoU with IIT Kanpur for five cloud seeding trials to be conducted specifically in northwest Delhi [Moneycontrol].
The initiative hopes to reduce smog intensity during post-Diwali and winter months, protecting millions from hazardous air [NDTV].
Authorities maintain strict coordination across 23 departments with adherence to air traffic guidelines and safety protocols [Deccan Herald].
This scientific approach to climate engineering marks a potential breakthrough in managing urban pollution challenges in Delhi and possibly across other Indian cities.
Sources: Economic Times, Indian Express, Moneycontrol, NDTV, Deccan Herald