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A: 24-hour average PM2.5 (n=27), B: 24-hour particle number concentration (n=44). Measurements were in kitchens using traditional and cleaner-burning Justa cookstoves in rural Honduras. Dots represent the observed concentrations. The lower boundary of the box represents the 25th percentile; the line within the box is the median; the upper boundary represents the 75th percentile. Bars indicate the 10th and 90th percentiles and the “◊” represents the mean.
