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Fig. 3 | BMC Public Health

Fig. 3

From: Effects of air pollution and seasons on health-related quality of life of Mongolian adults living in Ulaanbaatar: cross-sectional studies

Fig. 3

Source profiles and contributions determined by PMF solutions for PM2.5 in Ulaanbaatar, Mongolia. Left panel shows the source profiles of each species. Shaded bars represent the concentration of each species and red squares represent the percentage of each species sum. Right panel shows the factor contribution to PM2.5 in each season. Blank bars and solid bars represent the concentrations of each factor in the warm season and cold season, respectively. Red squares represent the percentage of the contribution of each factor in each season

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