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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