India, March 19 -- Air pollution in the National Capital Region (NCR) is largely driven by vehicular emissions. In January 2026, the Commission for Air Quality Management (CAQM) recommended a suite of urgent measures to the Supreme Court to combat this. The Court issued a directive and sought an action plan from the relevant stakeholders to immediately implement the recommendations. One of the recommendations is to use remote sensing devices to monitor on-road vehicle pollution. After five Supreme Court interventions between 2017 and 2026, India still awaits its implementation.

Delhi's air pollution is driven by particulate matter, especially PM2.5. But the existing Pollution Under Control (PUC) system for vehicular emissions does not me...