No ‘good’ AQI in major cities: 10-year study flags persistent pollution; Delhi tops list

A decade-long study reveals no major Indian city met safe air quality standards between 2015 and November 2025. Delhi consistently ranked as the most polluted, with other cities also experiencing unhealthy AQI levels. Vehicular emissions, industrial pollution, and crop burning are identified as key contributors, exacerbated by geographical factors and weather patterns.