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. 2015 Oct 26;12(10):13466–13481. doi: 10.3390/ijerph121013466

Figure 1.

Figure 1

Agreement between indoor and outdoor residential levels of PM2.5, black carbon, and nitrogen dioxide; Scatterplots of (a) PM2.5; (b) BC; and (c) NO2; Bland-Altman plots of (d) PM2.5; (e) BC; and (f) NO2.