In 2024, global air pollution remains a pressing issue, with cities like Dhaka and Lahore reporting dangerously high PM2.5 levels. This report highlights the most polluted cities worldwide, underscoring the urgent need for effective measures to address air quality and protect public health across various regions. This data depicts the top cities with the highest levels of air pollution, primarily measured by their annual average concentration of particulate matter (PM2.5). The data indicates a significant presence of Indian cities, reflecting ongoing air quality challenges in the region.