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Air pollution

Air Pollution in Iran: A Critical Public Health Concern

Strategic Insights

— 1 min read

Tehran, Iran is grappling with severe air pollution issues, with 96% of the world's population breathing air below health standards. Research conducted by the Department of Meteorology in Iran has shed light on the alarming levels of pollution in major cities, including Zabol and Ahvaz, which consistently rank among the most polluted. The study investigated the amount and distribution of six major air pollutants, PM 10, PM 2.5, O3, SO2, NO2, and CO, at various air monitoring stations across Iran from 2016 to 2021.

Key Takeaways:

  • The study found that cities such as Zabol and Ahvaz consistently rank among the most polluted, with annual average PM 10 concentrations exceeding 190 g/m³ and PM 2.5 reaching alarming levels up to 116.7 g/m³.
  • Tehran exhibits high NO2, SO2, and CO concentrations due to high industrial activity and vehicular emissions.
  • Seasonal analysis reveals significant variations in pollutant levels, with PM concentrations peaking during specific months over various parts of the country.
  • The research highlights the necessity for immediate action to mitigate the adverse effects of air pollution on public health, particularly in areas prone to industrial activities (i.e., Tehran, Isfahan) and dust events (Zabol, Ahvaz).
  • The study provides a robust framework for understanding pollution dynamics, facilitating more effective policy-making and public health interventions.

Statistics:

  • 96% of the world's population breathes air below health standards.
  • PM 10 concentrations exceeded 190 g/m³ in Zabol and Ahvaz.
  • PM 2.5 concentrations reached alarming levels up to 116.7 g/m³ in Zabol and Ahvaz.
  • Tehran exhibits high NO2, SO2, and CO concentrations.
  • Seasonal analysis reveals significant variations in pollutant levels, with PM concentrations peaking during specific months over various parts of the country.

Sources:

  • Air Quality Assessment in Iran During 2016-2021: A Multi-Pollutant Analysis of PM [2.5], PM [10], NO[2], SO[2], CO, and Ozone. Applied Sciences, 2025,15(18):9925. (Applied Sciences - http://www.mdpi.com/journal/applsci)
  • NewsRx. Department of Meteorology Researchers Highlight Research in Applied Sciences (Air Quality Assessment in Iran During 2016-2021: A Multi-Pollutant Analysis of PM [2.5], PM [10], NO[2], SO[2], CO, and Ozone). Health & Medicine Week. October 17, 2025; p 807.

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