This report brings together the key insights from an air quality of analysis of 10 cities in South India: Bengaluru, Chennai, Hyderabad, Mysuru, Kochi, Mangalore, Visakhapatnam, Amaravati, Coimbatore and Puducherry. Observations show that PM2.5 and PM10 levels in all cities are well above the recommended World Health Organization limits. In most cities, pollutant levels also cross the National Ambient Air Quality Standards. The insights indicate that swift action is required to address air pollution in Indian cities to ensure the health and wellbeing of citizens. The report also highlights recommended actions for the state and city governments to address and high pollutant levels.