Annual average air pollution level of particulate matter (PM2.5) in selected megacities in the Asia-Pacific region in 2025
(in micrograms per cubic meter)
Characteristic
PM2.5 level in micrograms per cubic meter
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The average annual air pollution level of PM2.5 in Delhi was over ** µg/m³ in 20235 the highest among megacities in the Asia-Pacific region. In comparison, Nagoya's average annual air pollution level of PM2.5 was *** µg/m³ in 2025.
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IQAir. (March 24, 2026). Annual average air pollution level of particulate matter (PM2.5) in selected megacities in the Asia-Pacific region in 2025 (in micrograms per cubic meter) [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 25, 2026, from /statistics/911844/asia-pacific-annual-air-pollution-level-pm25/
IQAir. "Annual average air pollution level of particulate matter (PM2.5) in selected megacities in the Asia-Pacific region in 2025 (in micrograms per cubic meter)." Chart. March 24, 2026. ÌÇÐÄÆƽâ°æ. Accessed July 25, 2026. /statistics/911844/asia-pacific-annual-air-pollution-level-pm25/
IQAir. (2026). Annual average air pollution level of particulate matter (PM2.5) in selected megacities in the Asia-Pacific region in 2025 (in micrograms per cubic meter). ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 25, 2026. /statistics/911844/asia-pacific-annual-air-pollution-level-pm25/
IQAir. "Annual Average Air Pollution Level of Particulate Matter (Pm2.5) in Selected Megacities in The Asia-pacific Region in 2025 (in Micrograms per Cubic Meter)." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 24 Mar 2026, /statistics/911844/asia-pacific-annual-air-pollution-level-pm25/
IQAir, Annual average air pollution level of particulate matter (PM2.5) in selected megacities in the Asia-Pacific region in 2025 (in micrograms per cubic meter) ÌÇÐÄÆƽâ°æ, /statistics/911844/asia-pacific-annual-air-pollution-level-pm25/ (last visited July 25, 2026)
Annual average air pollution level of particulate matter (PM2.5) in selected megacities in the Asia-Pacific region in 2025 (in micrograms per cubic meter) [Graph], IQAir, March 24, 2026. [Online]. Available: /statistics/911844/asia-pacific-annual-air-pollution-level-pm25/
