| Particules fines (PM10) : moyennes journalières en µg/m3 | |||
| Date | Fribourg : Parc de Pérolles | Fribourg : Chamblioux | Bulle : Rue de Vevey |
| 21.03.2025 | 21 | 20 | 22 |
| 22.03.2025 | 12 | 12 | 13 |
| 23.03.2025 | 3 | 5 | 5 |
| 24.03.2025 | 4 | 8 | 7 |
| 25.03.2025 | 7 | 12 | 12 |
| 26.03.2025 | 16 | 22 | 16 |
| 27.03.2025 | 10 | 13 | 14 |
| 28.03.2025 | 14 | 14 | 18 |
| 29.03.2025 | 14 | 20 | 16 |
| 30.03.2025 | 9 | 13 | 12 |
| 31.03.2025 | 9 | 14 | 11 |
| 01.04.2025 | 8 | 12 | 10 |
| 02.04.2025 | 12 | 14 | 12 |
| 03.04.2025 | 15 | 16 | 14 |
| 04.04.2025 | 15 | 15 | 15 |
| 05.04.2025 | 12 | 13 | 12 |
| 06.04.2025 | 14 | 13 | 13 |
| 07.04.2025 | 13 | 14 | 16 |
| 08.04.2025 | 17 | 20 | 19 |
| 09.04.2025 | 19 | 19 | 18 |
| 10.04.2025 | 16 | 19 | 15 |
| 11.04.2025 | 17 | 16 | 15 |
| 12.04.2025 | 20 | 17 | 16 |
| 13.04.2025 | 8 | 12 | 11 |
| 14.04.2025 | 4 | 7 | 5 |
| 15.04.2025 | 5 | 7 | 7 |
| 16.04.2025 | 3 | 7 | 7 |
| 17.04.2025 | 2 | 4 | 3 |
| 18.04.2025 | 2 | 4 | 3 |
| 19.04.2025 | 5 | 6 | 5 |
| 20.04.2025 | 3 | 5 | 4 |