Delhi was India's most polluted state in 2023, with an average annual particulate matter (PM10) concentration of *** micrograms per cubic meter of air (μg/m³). Haryana followed, with PM10 levels averaging *** μg/m³ for the year. PM10 is suspended coarse particulate matter with a diameter of ** micrometers or less. It can penetrate deep into the lungs and has been linked with a variety of adverse health effects, such as respiratory disease and cancer.
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Climate Trends. (January 13, 2024). Average PM10 concentrations in the most polluted states in India in 2023 (in micrograms per cubic meter of air) [Graph]. In Statista. Retrieved July 15, 2025, from https://www.statista.com/statistics/1464487/india-most-polluted-states-by-pm10-level/
Climate Trends. "Average PM10 concentrations in the most polluted states in India in 2023 (in micrograms per cubic meter of air)." Chart. January 13, 2024. Statista. Accessed July 15, 2025. https://www.statista.com/statistics/1464487/india-most-polluted-states-by-pm10-level/
Climate Trends. (2024). Average PM10 concentrations in the most polluted states in India in 2023 (in micrograms per cubic meter of air). Statista. Statista Inc.. Accessed: July 15, 2025. https://www.statista.com/statistics/1464487/india-most-polluted-states-by-pm10-level/
Climate Trends. "Average Pm10 Concentrations in The Most Polluted States in India in 2023 (in Micrograms per Cubic Meter of Air)." Statista, Statista Inc., 13 Jan 2024, https://www.statista.com/statistics/1464487/india-most-polluted-states-by-pm10-level/
Climate Trends, Average PM10 concentrations in the most polluted states in India in 2023 (in micrograms per cubic meter of air) Statista, https://www.statista.com/statistics/1464487/india-most-polluted-states-by-pm10-level/ (last visited July 15, 2025)
Average PM10 concentrations in the most polluted states in India in 2023 (in micrograms per cubic meter of air) [Graph], Climate Trends, January 13, 2024. [Online]. Available: https://www.statista.com/statistics/1464487/india-most-polluted-states-by-pm10-level/
