The metro corridor, which was Mumbai’s first, has recorded a peak single-day ridership of 5.79 lakh passengers and maintains a punctuality rate of 99.99%, according to the operator. MMOPL also said the line has maintained a zero-fatality safety record since its inception

United Nations Environment Programme (UNEP) Executive Director Inger Andersen said that addressing cleaner air requires a combination of short-term emergency measures and long-term structural change