| Stickstoffdioxid (NO2) : Tagesmittelwerte in µg/m3 | |||
| Date | Fribourg : Parc de Pérolles | Fribourg : Chamblioux | Bulle : Rue de Vevey |
| 11.04.2026 | 7 | 19 | 11 |
| 12.04.2026 | 5 | 8 | 14 |
| 13.04.2026 | 8 | 13 | 11 |
| 14.04.2026 | 8 | 12 | 11 |
| 15.04.2026 | 10 | 17 | 13 |
| 16.04.2026 | 12 | 22 | 15 |
| 17.04.2026 | 9 | 26 | 11 |
| 18.04.2026 | 7 | 22 | 9 |
| 19.04.2026 | 6 | 14 | 8 |
| 20.04.2026 | 7 | 20 | 14 |
| 21.04.2026 | 8 | 15 | 12 |
| 22.04.2026 | 9 | 12 | 13 |
| 23.04.2026 | 9 | 25 | 15 |
| 24.04.2026 | 11 | 33 | 19 |
| 25.04.2026 | 9 | 25 | 11 |
| 26.04.2026 | 8 | 21 | 10 |
| 27.04.2026 | 9 | 28 | 13 |
| 28.04.2026 | 10 | 26 | 18 |
| 29.04.2026 | 8 | 14 | 11 |
| 30.04.2026 | 9 | 20 | 15 |
| 01.05.2026 | 9 | 33 | 14 |
| 02.05.2026 | 7 | 17 | 15 |
| 03.05.2026 | 5 | 12 | 9 |
| 04.05.2026 | 8 | 18 | 14 |
| 05.05.2026 | 7 | 16 | 11 |
| 06.05.2026 | 8 | 18 | 15 |
| 07.05.2026 | 7 | 16 | 11 |
| 08.05.2026 | 7 | 17 | 12 |
| 09.05.2026 | 5 | 16 | 9 |
| 10.05.2026 | 6 | 13 | 14 |
| 11.05.2026 | 6 | 10 | 9 |