Delhi Air Turns Severe as Cloud Seeding Trials Are Questioned
Delhi's average air quality index reached 369 on Thursday, with 18 of 59 monitoring stations recording severe pollution. Forecasts warn conditions could turn severe from Friday. Authorities reportedly carried out two cloud-seeding trials near the airport, but earlier trials failed. The article also asks what happened to experiments worth over ₹1 crore in 2025.
Context
Cloud seeding sprays substances such as silver iodide into clouds to try to make them rain. Delhi's winter smog builds up as crop residue burning, traffic and cold, still air trap pollutants.