Percentage change in air pollution emission in India 2000-2022, by key pollutant
Between 2000 and 2022, annual sulfur dioxide (SO₂) emissions in India grew by approximately 150 percent. During this same period, nitrogen oxide (NOx) emissions increased by almost 71 percent. Exposure to both these air pollutants can lead to a variety of health issues in humans, including respiratory problems. They are formed during the burning of fossil fuels in sources such as road transportation and power plants.