| Zone | Average index | Sensors | Trend | Population | |
|---|---|---|---|---|---|
| Old Town | 72 | 10 | Improving | 62,460 | |
| Old Town | 85 | 11 | Improving | 26,401 | |
| Riverside | 93 | 6 | Worsening | 40,552 | |
| Harbour | 28 | 6 | Improving | 14,893 | |
| Industrial park | 77 | 8 | Improving | 76,432 | |
| Industrial park | 24 | 16 | Improving | 57,168 | |
| North hills | 105 | 8 | Stable | 45,448 | |
| Industrial park | 67 | 10 | Improving | 58,493 | |
| North hills | 74 | 18 | Improving | 45,680 | |
| Riverside | 100 | 13 | Improving | 58,762 | |
| North hills | 20 | 12 | Worsening | 28,021 | |
| Harbour | 37 | 18 | Stable | 52,883 | |
| Harbour | 78 | 17 | Improving | 6,129 | |
| City centre | 78 | 9 | Stable | 12,309 |