Pollutant indicator | Mean (SD) | P25 | P75 | P90 |
---|---|---|---|---|
Indoor at school during the examination | ||||
UFP, #/cm3 | 10304 (6115) | 5577 | 14081 | 18852 |
PM2.5, ÎĽg/m3 | 4.6 (3.6) | 2.2 | 5.0 | 10.0 |
Outdoor at school during the examination | ||||
UFP, #/cm3 | 32134 (21572) | 15842 | 44618 | 67838 |
PM2.5, ÎĽg/m3 | 16.6 (16.7) | 17.5 | 7.2 | 44.5 |
Modeled daily residential PM 2.5 | ||||
Day of the examination (lag 0), ÎĽg/m3 | 22 (15.5) | 11 | 26.3 | 42.5 |
Day before the examination (lag 1), ÎĽg/m3 | 19 (18.3) | 7.4 | 24.2 | 40.1 |
Two days before the examination (lag 2), ÎĽg/m3 | 18.6 (20.6) | 6.7 | 18.4 | 68.9 |
Average of 48h before the examination, ÎĽg/m3 | 18.8 (18.7) | 7.9 | 20.8 | 57.8 |