Exposure estimates | Annual average hourly NO2 (μg/m3) | ||||
---|---|---|---|---|---|
Descriptive statistics | 10th percentile (n = 382) | 50th percentile (n = 382) | 90th percentile (n = 382) | Range (10th – 90th) | |
Total exposure | Mean | 18.87 | 20.96 | 23.89 | 5.02 |
 | Median | 18.61 | 20.62 | 23.58 |  |
 | st. deviation | 3.24 | 3.48 | 3.49 |  |
Home indoor | Mean | 14.88 | 15.39 | 15.89 | 1.01 |
 | Median | 14.48 | 15.00 | 15.47 |  |
 | st. deviation | 3.50 | 3.63 | 3.76 |  |
Work indoor | Mean | 3.79 | 6.40 | 10.60 | 6.81 |
 | Median | 3.72 | 6.39 | 10.52 |  |
 | st. deviation | 0.37 | 0.64 | 0.76 |  |
Other indoor | Mean | 1.76 | 2.09 | 2.44 | 0.68 |
 | Median | 1.67 | 1.99 | 2.35 |  |
 | st. deviation | 0.43 | 0.50 | 0.58 |  |
Outdoor | Mean | 2.36 | 2.78 | 3.24 | 0.88 |
 | Median | 2.39 | 2.82 | 3.28 |  |
 | st. deviation | 0.36 | 0.42 | 0.49 |  |
In-vehicle to work | Mean | 0.19 | 0.54 | 1.06 | 0.87 |
 | Median | 0.16 | 0.52 | 0.99 |  |
 | st. deviation | 0.15 | 0.24 | 0.36 |  |
In-vehicle other | Mean | 1.32 | 1.53 | 1.76 | 0.44 |
 | Median | 1.33 | 1.54 | 1.77 |  |
 | st. deviation | 0.18 | 0.21 | 0.25 |  |