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Table 2 Monthly average PM10, other air pollutant concentrations from June, 2006 to December, 2014

From: Spatial analysis between particulate matter and emergency room visits for conjunctivitis and keratitis

  Min Max Mean SD
PM10 (μg/m3) 27 86 48 11.92
SO2 (ppm) 0.002 0.010 0.005 0.002
NO2 (ppm) 0.011 0.038 0.024 0.007
O3 (ppm) 0.009 0.046 0.024 0.009
CO (ppm) 0.3 0.9 0.5 0.133
  1. Abbreviations: SD standard deviation