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Corona ions from powerlines and increased exposure to pollutant aerosols

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Authors not listed · 1999

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Power lines create charged particles that make air pollution more likely to stick in your lungs.

Plain English Summary

Summary written for general audiences

Researchers measured electrical fields around high-voltage power lines and found they create charged particles (ions) that can travel over 500 meters from the lines. These ions change how air pollution particles behave, potentially making them stick more to your lungs when you breathe them in.

Why This Matters

This study reveals a hidden mechanism by which power lines may affect human health beyond direct EMF exposure. The science demonstrates that high-voltage lines create corona ions that fundamentally alter the electrical properties of the air around them, reversing Earth's natural electrical field for hundreds of meters. What this means for you is that living near power lines doesn't just expose you to electromagnetic fields - it changes how environmental pollutants behave in your lungs. The 2000 excess negative charges per cubic centimeter create unipolar charging of aerosol particles, disrupting the normal bipolar charge distribution. Put simply, pollutant particles become more likely to deposit in your respiratory system. This finding connects EMF exposure to broader environmental health concerns, suggesting that proximity to power lines creates a double burden of both electromagnetic and enhanced particulate exposure.

Exposure Information

Specific exposure levels were not quantified in this study.

Cite This Study
Unknown (1999). Corona ions from powerlines and increased exposure to pollutant aerosols.
Show BibTeX
@article{corona_ions_from_powerlines_and_increased_exposure_to_pollutant_aerosols_ce2253,
  author = {Unknown},
  title = {Corona ions from powerlines and increased exposure to pollutant aerosols},
  year = {1999},
  doi = {10.1080/095530099139124},
  
}
DOI: 10.1080/095530099139124PubMed: 10622258

Quick Questions About This Study

Yes, high-voltage power lines emit corona ions that create about 2000 excess negative charges per cubic centimeter of air. These charged particles can extend over 500 meters from 275 kV lines and reverse Earth's natural electrical field.
Corona ions from power lines can travel more than 500 meters from the source. The study found that 8 out of 14 power line locations significantly modified Earth's natural electrical field, with effects extending hundreds of meters downwind.
Yes, corona ions from power lines create unipolar charging of pollutant particles, disrupting their normal bipolar charge distribution. This altered charging may increase lung deposition of inhaled aerosol pollutants, potentially making air pollution more harmful to health.
The study examined 132, 275, and 400 kV power lines, finding significant electrical field modifications near all voltage levels. Higher voltage lines like 400 kV systems typically produce more corona discharge and stronger ion effects than lower voltage lines.
Corona ions from power lines can reverse Earth's natural electrical field of 100 V/m, creating negative fields up to -340 V/m. This represents a complete reversal of the normal electrical environment, particularly in areas downwind of power lines.