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Actual air exchange rates (AER) measured for urban bus IIA CityMood bus (class I) during the experimental analyses. Data are reported as average ± standard deviation values.
| Experiment | AER (h−1) |
Ventilation rate per person (L s−1 person−1) |
|---|---|---|
| Windows open | 65.3 ± 4.6 | 12.4 ± 0.9 |
| Windows closed | 26.9 ± 3.9 | 5.1 ± 0.7 |
