Time window | Minimum | Maximum | Median | Mean±sd | IQR | 75th percentile |
Preschool | ||||||
NO2 µg·m−3 | 10.3 | 44.4 | 21.5 | 21.3±5.5 | 7.4 | 24.8 |
PM2.5 absorbance 10−5·m−1 | 0.8 | 2.1 | 1.2 | 1.2±0.2 | 0.3 | 1.2 |
PM2.5 µg·m−3 | 14.9 | 19.4 | 16.4 | 16.2±0.7 | 1.2 | 16.6 |
PM10 µg·m−3 | 23.7 | 28.6 | 24.4 | 24.6±0.7 | 0.9 | 24.8 |
PMcoarse µg·m−3 | 7.5 | 11.1 | 8.1 | 8.2±0.5 | 0.5 | 8.3 |
Primary school | ||||||
NO2 µg·m−3 | 10.3 | 44.4 | 20.9 | 20.7±5.2 | 7.6 | 24.3 |
PM2.5 absorbance 10−5·m−1 | 0.8 | 1.9 | 1.1 | 1.1±0.2 | 0.3 | 1.2 |
PM2.5 µg·m−3 | 14.9 | 19.4 | 16.4 | 16.2±0.7 | 1.2 | 16.6 |
PM10 µg·m−3 | 23.7 | 28.5 | 24.3 | 24.5±0.7 | 0.8 | 24.8 |
PMcoarse µg·m−3 | 7.5 | 10.7 | 7.9 | 8.1±0.4 | 0.5 | 8.3 |
Secondary school | ||||||
NO2 µg·m−3 | 10.3 | 44.4 | 20.9 | 20.6±5.3 | 7.9 | 24.3 |
PM2.5 absorbance 10−5·m−1 | 0.8 | 1.8 | 1.1 | 1.1±0.2 | 0.3 | 1.2 |
PM2.5 µg·m−3 | 14.8 | 18.7 | 16.4 | 16.2±0.6 | 1.2 | 16.6 |
PM10 µg·m−3 | 23.7 | 27.7 | 24.3 | 24.5±0.7 | 0.8 | 24.7 |
PMcoarse µg·m−3 | 7.5 | 10.7 | 7.9 | 8.1±0.4 | 0.5 | 8.3 |
Short term exposures# | ||||||
NO2 | 24.1 | 42.7 | 14.7 | 15.9±6.8 | 9.6 | 20.1 |
PM10 | 8.3 | 46.5 | 15.8 | 18.5±7.0 | 6.8 | 20.3 |
IQR: interquartile range; NO2: nitrogen dioxide; PMx: particles with a 50% cut-off aerodynamic diameter of x µm; PMcoarse: particles with a 50% cut-off aerodynamic diameter of 2.5–10 µm. #: average concentrations for the 7 days preceding the 16-year lung function measurement.