Air pollution in Bengaluru, India, is a big problem. Scientists studied the sources of air pollutants in the city and found that the transport sector is the main culprit. They created a detailed list of the pollutants emitted in the city, including PM2.5, PM10, CO, NOx, and others. The study shows that traditional sources like transport and industries, as well as newer sources like road dust and waste burning, are all contributing to the poor air quality in Bengaluru. This information will help in understanding the air pollution in the city and coming up with ways to control it.