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Table 2 Average daily ozone concentrations during study period (May 30, 2012-April 29, 2014)

From: Ozone exposure is associated with acute changes in inflammation, fibrinolysis, and endothelial cell function in coronary artery disease patients

  Mean ± SD Minimum 25th percentile Median 75th percentile Maximum IQR
Ozone (ppm) 0.026 ± 0.010 0.002 0.019 0.025 0.033 0.063 0.014
PM2.5 (μg/m3) 10.9 ± 4.5 1.0 7.8 9.9 13.2 28.2 5.4
Temperature (°F) 59.1 ± 16.0 18.4 45.2 60.1 74.0 91.1 28.8
Relative humidity (%) 67.9 ± 14.2 26.5 57.9 70.0 78.4 96.3 20.5
Barometric pressure (hPa) 1018.2 ± 6.0 1001.4 1014.0 1018.0 1021.9 1036.4 7.9
  1. IQR interquartile range, PM particulate matter, SD standard deviation