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. Author manuscript; available in PMC: 2016 Dec 1.
Published in final edited form as: Atmos Environ (1994). 2015 Oct 17;123(A):79–87. doi: 10.1016/j.atmosenv.2015.10.042

Figure 1.

Figure 1

Boxplot of two-week average of ozone concentrations at AQS, Fixed and Home locations across the entire period in the six MESA regions. LA+RS: Los Angeles and Riverside in California. W-S: Winston-Salem in North Carolina. The upper, middle and lower lines in the box show the 75%, 50%(median) and 25% of the observations. The outliers are calculated as the observations higher or lower than 1.5 × IQR + median.