Air quality in Mecca and surrounding holy places in Saudi Arabia during Hajj: initial survey.

  title={Air quality in Mecca and surrounding holy places in Saudi Arabia during Hajj: initial survey.},
  author={Isobel J. Simpson and Omar Siraj Aburizaiza and Azhar Siddique and Barbara Barletta and Nicola J. Blake and Aaron Gartner and Haider Abbas Khwaja and Simone Meinardi and Jahan Zeb and Donald Ray Blake},
  journal={Environmental science & technology},
  volume={48 15},
The Arabian Peninsula experiences severe air pollution, the extent and sources of which are poorly documented. Each year in Saudi Arabia this situation is intensified during Hajj, the Holy Pilgrimage of Islam that draws millions of pilgrims to Mecca. An initial study of air quality in Mecca and surrounding holy sites during the 2012 Hajj (October 24-27) revealed strongly elevated levels of the combustion tracer carbon monoxide (CO, up to 57 ppmv) and volatile organic compounds (VOCs) along the… CONTINUE READING
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