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Figure 3 | Environmental Health

Figure 3

From: A cross-sectional study of determinants of indoor environmental exposures in households with and without chronic exposure to biomass fuel smoke

Figure 3

Median indoor CO concentrations by hour of the day. Curves are stratified by site and chimney construction (urban, rural with chimney, and rural without chimney). The y-axis represents median values of indoor CO (ppm) across households. We calculated these household summaries for each hour of the day, as indicated on the x-axis.

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Environmental Health

ISSN: 1476-069X