| Stickstoffdioxid (NO2) : Tagesmittelwerte in µg/m3 | |||
| Date | Fribourg : Parc de Pérolles | Fribourg : Chamblioux | Bulle : Rue de Vevey |
| 22.08.2025 | 6 | 16 | 12 |
| 23.08.2025 | 5 | 16 | 14 |
| 24.08.2025 | 5 | 17 | 8 |
| 25.08.2025 | 10 | 23 | 11 |
| 26.08.2025 | 7 | 18 | 13 |
| 27.08.2025 | 7 | 20 | 18 |
| 28.08.2025 | 5 | 13 | 9 |
| 29.08.2025 | 4 | 11 | 8 |
| 30.08.2025 | 3 | 12 | 7 |
| 31.08.2025 | 4 | 12 | 9 |
| 01.09.2025 | 4 | 14 | 10 |
| 02.09.2025 | 5 | 12 | 8 |
| 03.09.2025 | 5 | 16 | 9 |
| 04.09.2025 | 6 | 15 | 14 |
| 05.09.2025 | 4 | 16 | 9 |
| 06.09.2025 | 4 | 18 | 7 |
| 07.09.2025 | 4 | 20 | 7 |
| 08.09.2025 | 10 | 25 | 16 |
| 09.09.2025 | 5 | 15 | 11 |
| 10.09.2025 | 7 | 18 | 10 |
| 11.09.2025 | 4 | 11 | 7 |
| 12.09.2025 | 5 | 17 | 14 |
| 13.09.2025 | 5 | 14 | 9 |
| 14.09.2025 | 3 | 6 | 7 |
| 15.09.2025 | 3 | 7 | 7 |
| 16.09.2025 | 5 | 14 | 14 |
| 17.09.2025 | 5 | 19 | 10 |
| 18.09.2025 | 10 | 27 | 11 |
| 19.09.2025 | 11 | 30 | 13 |
| 20.09.2025 | 6 | 22 | 14 |
| 21.09.2025 | 4 | 15 | 8 |