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Table 2 Distribution of exposure to pollutants

From: Immune biomarkers link air pollution exposure to blood pressure in adolescents

Pollutant Median (25-75th percentile)
CO, ppm 0.29 (0.25–0.34)
NO, ppb 1.36 (1.02–2.36)
NO2, ppb 7.63 (6.34–9.61)
O3, ppb 64.1 (56.3–68.6)
PAH, ng/m3 2.73 (2.16–3.24)
PM2.5, μg/m3 0.96 (0.88–1.05)
PM10, μg/m3 39.3 (31.4–50.5)
  1. CO carbon monoxide, NO nitrogen oxide, NO2 nitrogen dioxide, O3 ozone, PAH polycyclic aromatic hydrocarbon, PM particulate matter