From November 1, 2025, which city will implement a ban on all diesel vehicles below BS-6 standards?

Delhi will implement a ban on all diesel vehicles below BS-6 (Bharat Stage 6) emission standards effective November 1, 2025. This decisive measure aims to combat the severe air pollution issues that have plagued the national capital for years. By removing older, more polluting diesel vehicles from its roads, Delhi's administration seeks to improve air quality and public health outcomes. This policy represents one of India's most stringent vehicular emission control measures and reflects growing urgency in addressing environmental challenges in urban centers.