| ANT | Attentional Network Test |
| API | Academic Performance Index |
| BC | black carbon |
| CI | confidence interval |
| CO | carbon monoxide |
| EC | elemental carbon |
| GPA | grade point average |
| HRT | hit reaction time |
| HRT-SE | standard error of hit reaction time |
| IQR | inter-quartile range |
| NOx | nitrogen oxides |
| NO2 | nitrogen dioxide |
| O3 | ozone |
| PAH | polycyclic aromatic hydrocarbon |
| PM | particulate matter |
| ROS | reactive oxygen species |
| SES | socioeconomic status |
| TRAP | traffic-related air pollution |
| UFP | ultra-fine particle |
| VOC | volatile organic compound |
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