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Pollutants measured during the two episodes of clean air and elevated air pollution
| Air pollutants | Clean air | Polluted air |
|---|---|---|
| Carbon dioxide (μg/m3) | 2.71 | 3.98 |
| Nitrogen dioxide (μg/m3) | 75.74 | 149.38 |
| Ozone (μg/m3) | 9.15 | 21.79 |
| Sulfur dioxide (μg/m3) | 27.38 | 159.90 |
| PM10 (μg/m3) | 38.82 | 170.70 |
PM10 particulate matter less than 10 μm in size
