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Research Paper Volume 12, Issue 23 pp 24141—24155

Accelerated epigenetic age as a biomarker of cardiovascular sensitivity to traffic-related air pollution

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Figure 1. Distribution of total PM2.5 and source-apportioned PM2.5 averaged over all study years. gives the distribution of total PM2.5 mass as well as diesel and gasoline source-apportioned PM2.5. As expected for urban counties, the distribution of diesel and gasoline source-apportioned PM2.5 closely matches the distribution of total PM2.5. Lower levels of pollutants are given in green with high levels shading towards red.