Table 1.
Summary statistics (percentiles, mean, and number of missing days) for the 24-hour-mean concentrations of PM10, NOx, and ozone in Stockholm during the period from 2018 to 2019 (µg m−3).
| Minimum | 25th percentile | Median | Mean | 75th percentile | Maximum | Missing | |
|---|---|---|---|---|---|---|---|
| PM10 | -0.5 | 6.2 | 9.2 | 11.2 | 14.0 | 53.3 | 28 |
| NOx | 2.1 | 7.5 | 10.9 | 13.6 | 16.9 | 89.0 | 14 |
| Ozone | 7.9 | 42.2 | 54.9 | 55.1 | 66.6 | 121.40 | 17 |