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<p>This study aimed to measure the concentration of radon-222 gas and estimate the resulting dose in residential houses of Kabul, Afghanistan. To achieve this, 300 Solid State Nuclear Track Detectors (SSNTDs) were deployed in various rooms and floors of houses for two six-month periods, covering both cold and warm seasons. The detectors were then analyzed for alpha particle traces using the chemical etching method. The results showed average radon concentrations of 53&#xa0;Bq/m<sup>3</sup> and 113&#xa0;Bq/m<sup>3</sup> for the hot and cold seasons, respectively. The SSNTD results are verified by simultaneously conducting both double sampling as well as active measurements in the study region. A geospatial map of radon concentrations was developed using mean annual data from various sampling points, revealing that the mean annual dose across Kabul districts ranges from 1.35 to 2.67&#xa0;mSv/year. These findings indicate that Kabul can be classified as a low background radiation region. This paper investigates and reports on the variations in radon concentrations in Kabul’s dwellings, considering key factors such as geology, elevation, dwelling age, and construction materials. This research enhances the understanding of radon exposure risks in residential areas and underscores the need for further mitigation measures to ensure public health and safety.</p>

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Radon levels and its geostatistical distribution in dwellings of Kabul Afghanistan

  • 期刊论文

  • 发表日期：

    2025年8月2日

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  • Kamal Hadad,
  • Habibullah Sharifi,
  • Mohammad-Nabi Karimi,
  • Ataollah Rabiee

摘要

This study aimed to measure the concentration of radon-222 gas and estimate the resulting dose in residential houses of Kabul, Afghanistan. To achieve this, 300 Solid State Nuclear Track Detectors (SSNTDs) were deployed in various rooms and floors of houses for two six-month periods, covering both cold and warm seasons. The detectors were then analyzed for alpha particle traces using the chemical etching method. The results showed average radon concentrations of 53 Bq/m3 and 113 Bq/m3 for the hot and cold seasons, respectively. The SSNTD results are verified by simultaneously conducting both double sampling as well as active measurements in the study region. A geospatial map of radon concentrations was developed using mean annual data from various sampling points, revealing that the mean annual dose across Kabul districts ranges from 1.35 to 2.67 mSv/year. These findings indicate that Kabul can be classified as a low background radiation region. This paper investigates and reports on the variations in radon concentrations in Kabul’s dwellings, considering key factors such as geology, elevation, dwelling age, and construction materials. This research enhances the understanding of radon exposure risks in residential areas and underscores the need for further mitigation measures to ensure public health and safety.