8,700 Studies Reviewed. 87.0% Found Biological Effects. The Evidence is Clear.
Shield Your Body
Radio Frequency

Assessment of outdoor radiofrequency electromagnetic field exposure through hotspot localization using kriging-based sequential sampling.

Bioeffects Seen

Aerts S, Deschrijver D, Verloock L, Dhaene T, Martens L, Joseph W. · 2013

View Original Abstract
Share:

This mapping technique reveals urban EMF hotspots reaching 3.1 V/m, showing where communities face highest wireless radiation exposure.

Plain English Summary

Summary written for general audiences

Belgian researchers created a new method to map cell phone radiation hotspots in cities without knowing tower locations. Testing in Ghent revealed five high-exposure areas with radiation levels up to 3.1 volts per meter, mostly from cell towers, helping identify where people face strongest EMF exposure.

Why This Matters

This study represents a significant advance in EMF exposure assessment because it provides a systematic way to identify where people actually encounter the highest radiofrequency radiation levels in their daily lives. The reality is that most EMF research relies on estimates or limited measurements, but this methodology creates detailed exposure maps that reveal the true radiation landscape of urban environments. What makes this particularly important is that the hotspots they identified reached 3.1 V/m - levels that, while below current safety guidelines, represent meaningful exposure when you consider that people may spend significant time in these areas. The finding that cell phone base stations dominated exposure (contributing up to 100% in some hotspots) underscores how our wireless infrastructure creates concentrated exposure zones that affect entire communities, not just individual device users.

Exposure Details

Electric Field
1.3 to 3.1 V/m

Exposure Context

This study used 1.3 to 3.1 V/m for electric fields:

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.

Study Details

In this study, a novel methodology is proposed to create heat maps that accurately pinpoint the outdoor locations with elevated exposure to radiofrequency electromagnetic fields (RF-EMF) in an extensive urban region (or, hotspots), and that would allow local authorities and epidemiologists to efficiently assess the locations and spectral composition of these hotspots, while at the same time developing a global picture of the exposure in the area. Moreover, no prior knowledge about the presence of radiofrequency radiation sources (e.g., base station parameters) is required.

After building a surrogate model from the available data using kriging, the proposed method makes us...

Spectrum analyzer measurements in these hotspots revealed five radiofrequency signals with a relevan...

Cite This Study
Aerts S, Deschrijver D, Verloock L, Dhaene T, Martens L, Joseph W. (2013). Assessment of outdoor radiofrequency electromagnetic field exposure through hotspot localization using kriging-based sequential sampling. Environ Res. 126:184-191, 2013.
Show BibTeX
@article{s_2013_assessment_of_outdoor_radiofrequency_796,
  author = {Aerts S and Deschrijver D and Verloock L and Dhaene T and Martens L and Joseph W.},
  title = {Assessment of outdoor radiofrequency electromagnetic field exposure through hotspot localization using kriging-based sequential sampling.},
  year = {2013},
  
  url = {https://pubmed.ncbi.nlm.nih.gov/23759207/},
}
PubMed: 23759207

Cited By (53 papers)

View all 53 citing papers on Semantic Scholar

Quick Questions About This Study

Yes, cell phone towers can create high radiation exposure areas. Belgian researchers found radiation hotspots in cities reaching 3.1 volts per meter, with 900 MHz cell towers contributing 45-100% of the exposure in these areas.
Cell phone radiation is strongest in specific hotspots throughout cities. A 2013 study in Ghent, Belgium identified five high-exposure areas where radiation levels peaked, primarily due to nearby cell tower transmissions at 900 MHz frequencies.
Radiation near cell towers can reach up to 3.1 volts per meter in urban hotspots. Research in Belgian cities found that 900 MHz cell tower signals dominated these high-exposure areas, accounting for nearly all measured radiation.
Yes, cell phone radiation creates distinct hotspots in neighborhoods. Scientists mapped five high-exposure zones in Ghent, Belgium, where radiation levels peaked at 3.1 volts per meter, mostly from nearby cell tower transmissions.
Yes, some city areas have significantly higher cell radiation exposure than others. Belgian researchers identified specific hotspots with radiation up to 3.1 volts per meter, where cell towers contributed 45-100% of total exposure levels.