Skip to main content
. Author manuscript; available in PMC: 2013 Oct 1.
Published in final edited form as: Inhal Toxicol. 2012 Oct;24(12):831–838. doi: 10.3109/08958378.2012.724117

Table 2.

Descriptive statistics of daily air pollution concentrations and meteorology during the study period.

Pollutant/Meteorology Minimum Median Maximum Inter-quartile range
UFP (#/cm3) 1435 6514 16930 2482
PM2.5 (μg/m3) 2.4 9.8 38.9 4.3
Ozone (ppm) 0.01 0.03 0.08 0.01
CO (ppm) 0.12 0.42 0.80 0.14
Temperature (°F) 14.59 53.49 84.86 30.42
Relative Humidity (%) 36.59 66.68 95.34 12.62
Barometric Pressure (inches Hg) 28.87 29.57 30.07 0.18