Tab. II.5.2 Overview of the periods with air temperatures above 27 �C for 3 or more days, and of the respective measured maximum ground-level ozone concentrations
| Period | Max. daily temperatures | Max. O3 | Days of duration |
| 30.5.–1.6. | 28.3–30.8 �C | 159 μg.m-3 | 3 |
| 1.7.–3.7. | 28.4–31.2 �C | 189 μg.m-3 | 3 |
| 26.7.–1.8. | 29.5–33.2 �C | 173 μg.m-3 | 7 |