Monthly PM2.5 concentrations in Indian cities followed similar patterns between 2020 and 2024, with the highest concentrations typically recorded in the winter months. In Delhi, the highest average PM2.5 concentration during the period in consideration was recorded in November 2024, at over *** micrograms per cubic meter of air (μg/m³). Delhi had the second-highest average PM2.5 concentration among Indian cities in 2024.
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IQAir. (March 11, 2025). Average monthly PM2.5 concentration in selected cities in India from 2020 to 2024 (in micrograms per cubic meter of air) [Graph]. In ÌÇÐÄÆÆ½â°æ. Retrieved July 25, 2026, from /statistics/1284233/average-monthly-pm25-in-cities-in-india/
IQAir. "Average monthly PM2.5 concentration in selected cities in India from 2020 to 2024 (in micrograms per cubic meter of air)." Chart. March 11, 2025. ÌÇÐÄÆÆ½â°æ. Accessed July 25, 2026. /statistics/1284233/average-monthly-pm25-in-cities-in-india/
IQAir. (2025). Average monthly PM2.5 concentration in selected cities in India from 2020 to 2024 (in micrograms per cubic meter of air). ÌÇÐÄÆÆ½â°æ. ÌÇÐÄÆÆ½â°æ Inc.. Accessed: July 25, 2026. /statistics/1284233/average-monthly-pm25-in-cities-in-india/
IQAir. "Average Monthly Pm2.5 Concentration in Selected Cities in India from 2020 to 2024 (in Micrograms per Cubic Meter of Air)." ÌÇÐÄÆÆ½â°æ, ÌÇÐÄÆÆ½â°æ Inc., 11 Mar 2025, /statistics/1284233/average-monthly-pm25-in-cities-in-india/
IQAir, Average monthly PM2.5 concentration in selected cities in India from 2020 to 2024 (in micrograms per cubic meter of air) ÌÇÐÄÆÆ½â°æ, /statistics/1284233/average-monthly-pm25-in-cities-in-india/ (last visited July 25, 2026)
Average monthly PM2.5 concentration in selected cities in India from 2020 to 2024 (in micrograms per cubic meter of air) [Graph], IQAir, March 11, 2025. [Online]. Available: /statistics/1284233/average-monthly-pm25-in-cities-in-india/