Cloud seeding to cut air pollution in Delhi

Last week attempts at cloud seeding to reduce pollution in Delhi failed to produce any rain. We catch up with reporter Chhavi Sachdev to find out more about official’s latest and controversial attempt at tacking hazardous levels of air pollution in the city.

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Presenter: Claudia Hammond
Producer: Katie Tomsett & Hannah Robins

Image: A commuter walks near India Gate amid heavy smog pollution on October 29, 2025 in New Delhi, India. Delhi is once again blanketed by hazardous smog following the Diwali festival, as pollution levels spike to the "very poor" and "severe" categories, with air quality indexes far exceeding safe limits. The crisis, which is driven by firecracker use, emissions, and seasonal crop residue burning has prompted emergency measures like cloud seeding.

Image Credit: Ritesh Shukla/Getty Images