Delhi did trial of cloud seeding to combat air pollution.

Cloud seeding has been asked in prelims of UPSC CSE, Odisha PCS.

What is Cloud Seeding?
It is process of introducing chemicals into cloud to produce rain.

Chemicals used:
-Silver Iodide
-Potassium Iodide
-Dry ice
-NaCl pic.twitter.com/6ksqq39NbD

— PadhAI UPSC App (@padhai_upsc) October 24, 2025