| Feinstaub (PM10) : Tagesmittelwerte in µg/m3 | |||
| Date | Fribourg : Parc de Pérolles | Fribourg : Chamblioux | Bulle : Rue de Vevey |
| 07.05.2026 | 5 | 5 | 7 |
| 08.05.2026 | 8 | 9 | 10 |
| 09.05.2026 | 7 | 7 | 8 |
| 10.05.2026 | 7 | 7 | 7 |
| 11.05.2026 | 5 | 4 | 4 |
| 12.05.2026 | 5 | 4 | 5 |
| 13.05.2026 | 8 | 5 | 7 |
| 14.05.2026 | 3 | 3 | 4 |
| 15.05.2026 | 3 | 2 | 3 |
| 16.05.2026 | 4 | 2 | 4 |
| 17.05.2026 | 4 | 3 | 4 |
| 18.05.2026 | 5 | 5 | 6 |
| 19.05.2026 | 6 | 6 | 6 |
| 20.05.2026 | 9 | 8 | 9 |
| 21.05.2026 | 11 | 11 | 12 |
| 22.05.2026 | 12 | 11 | 11 |
| 23.05.2026 | 12 | 10 | 12 |
| 24.05.2026 | 13 | 11 | 11 |
| 25.05.2026 | 32 | 35 | 27 |
| 26.05.2026 | 44 | 47 | 39 |
| 27.05.2026 | 36 | 37 | 30 |
| 28.05.2026 | 26 | 27 | 27 |
| 29.05.2026 | 20 | 20 | 18 |
| 30.05.2026 | 17 | 13 | 13 |
| 31.05.2026 | 17 | 16 | 15 |
| 01.06.2026 | 9 | 8 | 10 |
| 02.06.2026 | 9 | 8 | 8 |
| 03.06.2026 | 5 | 4 | 5 |
| 04.06.2026 | 4 | 3 | 5 |
| 05.06.2026 | 5 | 5 | 6 |
| 06.06.2026 | 7 | 6 | 8 |