New Delhi was the most polluted city in India in 2024, based on an average air quality index (AQI) of ***. The seven most polluted cities in India in 2024 all had AQI levels above ***. An AQI between 151 and 200 is classified as unhealthy.Â
Air pollution in India
India was the third most polluted country in the world in 2023, behind only Bangladesh and Pakistan. The South Asian country recorded an average annual fine particulate matter (PM2.5) concentration of ** micrograms per cubic meter of air (µg/m3) that year, more than ** times above the World Health Organization’s recommended limit.Â
Health effects of air pollution
Exposure to air pollution can lead to a range of health issues, such as strokes, respiratory conditions, and cardiovascular disease. Air pollution is attributable to millions of premature deaths every year around the world, with India one of the most affected countries.
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AQI. (February 25, 2025). Average air quality index (AQI) in India in 2024, by select city [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 27, 2026, from /statistics/1115024/india-aqi-by-city/
AQI. "Average air quality index (AQI) in India in 2024, by select city." Chart. February 25, 2025. ÌÇÐÄÆƽâ°æ. Accessed July 27, 2026. /statistics/1115024/india-aqi-by-city/
AQI. (2025). Average air quality index (AQI) in India in 2024, by select city. ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 27, 2026. /statistics/1115024/india-aqi-by-city/
AQI. "Average Air Quality Index (Aqi) in India in 2024, by Select City." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 25 Feb 2025, /statistics/1115024/india-aqi-by-city/
AQI, Average air quality index (AQI) in India in 2024, by select city ÌÇÐÄÆƽâ°æ, /statistics/1115024/india-aqi-by-city/ (last visited July 27, 2026)
Average air quality index (AQI) in India in 2024, by select city [Graph], AQI, February 25, 2025. [Online]. Available: /statistics/1115024/india-aqi-by-city/
