Comparison of ambient airborne PM₂.₅, PM₂.₅ absorbance and nitrogen dioxide ratios measured in 1999 and 2009 in three areas in Europe.

@article{Durant2014ComparisonOA,
  title={Comparison of ambient airborne PM₂.₅, PM₂.₅ absorbance and nitrogen dioxide ratios measured in 1999 and 2009 in three areas in Europe.},
  author={John L Durant and Rob M. J. Beelen and Marloes Eeftens and Kees Meliefste and Josef Cyrys and Joachim Heinrich and Tom D Bellander and Marie Lewn{\'e} and Bert A Brunekreef and Gerard Hoek},
  journal={The Science of the total environment},
  year={2014},
  volume={487},
  pages={290-8}
}
Epidemiological studies often use nitrogen dioxide (NO2) or proximity to roads to characterize exposure to more health-relevant pollutants (e.g., fine particles or black carbon aerosol) in vehicle exhaust. Due to the introduction of diesel-soot filters, particle-to-NO2 ratios may have decreased, but little information is available about these ratios over time. Our study aim was to evaluate the change in particle-to-NO2 ratios between 1999 and 2009. We compared data collected during measurement… CONTINUE READING
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