Delhi AQI Hits 'Severe' While Mumbai And Kolkata Turn 'Unhealthy'

New Delhi recorded the highest air quality index in the severe category across six major Indian cities. Meanwhile, Mumbai and Kolkata hovered in the unhealthy zone, and Hyderabad reported the lowest pollution levels. Air quality monitoring remains critical for public health interventions and urban planning. The persistent smog poses significant respiratory risks to residents in affected metropolitan areas.