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Scientific article
Open access
English

Weather Impacts on Indoor Radon Short-Term Measurements in Switzerland

Published inAtmosphere, vol. 14, no. 7, p. 1-15; 1163
Publication date2023-07-18
Abstract

Radon is a natural and radioactively well-known carcinogenic indoor air pollutant. Since 2020, a radon short-term proactive methodology has been proposed by Swiss authorities, which aims to evaluate the probability of overpassing the national reference value. This study aims to assess the influence of different weather parameters on indoor radon levels monitored using this methodology. To this end, different statistical tools are used, such as correlations, auto-correlations, cross-correlations, and multiple linear regressions between meteorological parameters and indoor radon levels. We show a strong influence of weather conditions on indoor radon levels in occupied, but especially unoccupied spaces. Outdoor air temperature, followed by atmospheric pressure, was identified as the most significant parameter impacting indoor radon levels. Moreover, meteorological conditions monitored five days prior to the beginning of the radon measurements might affect radon levels. We come to the conclusion that it is of paramount importance to take these meteorological conditions into account when analyzing the results of short-term measurements, and more specifically, to consider the evolution of the weather conditions five days prior to the radon measurement. This paper helps to ensure the relevance of this short-term measurement method available in Switzerland.

eng
Keywords
  • Radon
  • Indoor radon levels
  • Meteorological parameters
  • Short-term measurements
  • Switzerland
  • Statistical analysis
  • Public health
Research group
Citation (ISO format)
REY, Joan Frédéric, GOYETTE, Stéphane, GOYETTE-PERNOT, Joëlle. Weather Impacts on Indoor Radon Short-Term Measurements in Switzerland. In: Atmosphere, 2023, vol. 14, n° 7, p. 1–15. doi: 10.3390/atmos14071163
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ISSN of the journal2073-4433
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