Table 1.
Mean | Minimum | 25th percentile |
Median | 75th percentile |
Maximum | |
---|---|---|---|---|---|---|
Nitrogen dioxide (ppb) | 11.5 | 6.7 | 9.0 | 10.8 | 13.0 | 24.0 |
Black carbon (μg/m3) | 0.37 | 0 | 0.27 | 0.34 | 0.42 | 1.32 |
Ultrafine particles (# × 103/cm3) | 30.1 | 17.0 | 26.6 | 29.2 | 32.6 | 67.3 |