. Author manuscript; available in PMC: 2019 Dec 1.

Published in final edited form as: J Allergy Clin Immunol. 2018 Aug 10;142(6):1974–1977.e3. doi: 10.1016/j.jaci.2018.08.003

Table EII.

Average daily pollutant concentrations during study periods (August 2013 -October 2014)

	Mean (SD)	Min	25^th percentile	Median	75^th percentile	Max	IQR^*
Ozone – 24-hr average (ppb)	26.8 (9.5)	2.0	19.9	26.3	33.1	50.6.	16.5
Ozone – 8-hr maximum (ppb)	38.6 (10.8)	14.8	30.3	38.6	46.7	69.6	18.1
PM2.5 (μg/m3)	10.9 (4.7)	0.8	7.6	10.1	10.9	29.6	6.6
Avg. Daily Temperature (°F)	61.4 (15.4)	16.4	48.9	65.3	61.4	85.8	20.3
Relative humidity (%)	67.9 (13.3)	34.0	59.0	69.0	67.9	95	17.0
Barometric pressure (hPa)	1002.2 (5.4)	982.7	998.8	1002	1002.2	1017.9	6.1

IQR was determined from the lag 0 values on visit days