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. 2017 Sep 28;58(6):1111–1118. doi: 10.3349/ymj.2017.58.6.1111

Table 2. Descriptive Statistics of Average Residential Air Pollution Exposure.

Pollutant Mean (SD) Median IQR Range
PM10 (µg/m3) 55.27 (7.83) 55.93 12.17 18.25–95.58
NO2 (ppb) 23.38 (10.53) 22.57 15.65 1.05–86.76

SD, standard deviation; IQR, interquartile range.