μg/m³ (0)
| 0 |
| 0.1 - 1 |
| 1.1 - 2 |
| 2.1 - 3 |
| 3.1 - 4 |
| 4.1 - 5 |
| 5.1 - 6 |
| 6.1 - 7 |
| 7.1 - 8 |
| 8.1 - 9 |
| 9.1 - 10 |
| 10.1 - 11 |
| 11.1 - 12 |
| 12.1 - 13 |
| 13.1 - 14 |
| 14.1 - 15 |
| 15.1 - 16 |
| 16.1 - 17 |
| 17.1 - 18 |
| 18.1 - 19 |
| 19.1 - 20 |
| 20.1 - 24 |
| 24.1 - 28 |
| 28.1 - 32 |
| 32.1 - 36 |
| 36.1 - 40 |
| 40.1 - 48 |
| 48.1 - 56 |
| 56.1 - 64 |
| 64.1 - 72 |
| 72.1 - 80 |
| 80.1 - 120 |
| 120.1 - 160 |
|