India, April 23 -- The Delhi government has directed the fast-tracked rollout of a real-time source apportionment study focusing on PM10 to strengthen evidence-based policymaking on air pollution, officials said on Wednesday.

The proposal, presented by IIT-Delhi during a high-level meeting chaired by Delhi environment minister Manjinder Singh Sirsa, outlined a five-year plan to generate continuous, real-time data on pollution sources. The study aims to move beyond episodic assessments and enable policymakers to respond more effectively during peak pollution periods.

Sirsa said, "The study will help the government evaluate the impact of the multi-pronged interventions being implemented under the Environment Action Plan, especially in ter...