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Extensive frequency selective measurements of radiofrequency fields in outdoor environments performed with a novel mobile monitoring system.

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Estenberg J, Augustsson T. · 2013

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City dwellers face 150 times more radiofrequency radiation than rural residents, with cell towers creating dramatic exposure differences across communities.

Plain English Summary

Summary written for general audiences

Swedish researchers developed a mobile monitoring system to measure radiofrequency radiation levels across different environments, collecting over 70,000 measurements in rural, urban, and city areas. They found that radiation levels increased dramatically from rural to urban settings, with city areas showing 150 times higher exposure than rural areas. The study demonstrates how cell phone towers create significant differences in public RF exposure depending on where you live and work.

Why This Matters

This comprehensive mapping study reveals the stark reality of our modern electromagnetic environment. The 150-fold difference between rural and urban RF exposure levels shows just how dramatically our daily radiation dose varies by location. What's particularly significant is that cell phone base stations were identified as the dominant source in populated areas, meaning the infrastructure designed to keep us connected is creating a gradient of involuntary exposure across communities. The median city exposure of 2,400 µW/m² represents constant background radiation that simply didn't exist a generation ago. While these levels remain below current regulatory limits, this study provides crucial baseline data showing how pervasive RF has become in our daily environment, with urban dwellers experiencing substantially higher chronic exposure than their rural counterparts.

Exposure Details

Power Density
0.0000016, 0.000027, and 0.00024 µW/m²
Source/Device
30 MHz to 3 GHz

Exposure Context

This study used 0.0000016, 0.000027, and 0.00024 µW/m² for radio frequency:

Building Biology guidelines are practitioner-based limits from real-world assessments. BioInitiative Report recommendations are based on peer-reviewed science. Check Your Exposure to compare your own measurements.

Where This Falls on the Concern Scale

Study Exposure Level in ContextA logarithmic scale showing exposure levels relative to Building Biology concern thresholds and regulatory limits.Study Exposure Level in ContextThis study: 0.0000016, 0.000027, and 0.00024 µW/m²Extreme Concern1,000 uW/m2FCC Limit10M uW/m2Effects observed in the No Concern range (Building Biology)FCC limit is 6,250,000,000,000x higher than this exposure level

Study Details

The aim of this study is to investigate Extensive frequency selective measurements of radiofrequency fields in outdoor environments performed with a novel mobile monitoring system.

A novel, car based, measuring system for estimation of general public outdoor exposure to radiofrequ...

The median power density was 16 µW/m(2) in rural areas, 270 µW/m(2) in urban areas, and 2400 µW/m(2)...

Cite This Study
Estenberg J, Augustsson T. (2013). Extensive frequency selective measurements of radiofrequency fields in outdoor environments performed with a novel mobile monitoring system. Bioelectromagnetics. 2013 Dec 27. doi: 10.1002/bem.21830.
Show BibTeX
@article{j_2013_extensive_frequency_selective_measurements_966,
  author = {Estenberg J and Augustsson T.},
  title = {Extensive frequency selective measurements of radiofrequency fields in outdoor environments performed with a novel mobile monitoring system.},
  year = {2013},
  
  url = {https://pubmed.ncbi.nlm.nih.gov/24375568/},
}

Quick Questions About This Study

Swedish researchers developed a mobile monitoring system to measure radiofrequency radiation levels across different environments, collecting over 70,000 measurements in rural, urban, and city areas. They found that radiation levels increased dramatically from rural to urban settings, with city areas showing 150 times higher exposure than rural areas. The study demonstrates how cell phone towers create significant differences in public RF exposure depending on where you live and work.