SmogRank / Countries / New Zealand
Most polluted cities in New Zealand
4 measured cities ranked by PM2.5, last 7 days. Worst: Rangiora at 8.3 µg/m³, #836 in the world.
| # | City | µg/m³ | |
|---|---|---|---|
| 1 | Rangiora Canterbury | 8.3 | |
| 2 | Timaru Canterbury | 8.0 | |
| 3 | Christchurch Canterbury | 6.8 | |
| 4 | Dunedin low-cost sensorsOtago | 1.6 |
Good 0–9.0Moderate 9.1+Unhealthy for sensitive groups 35.5+Unhealthy 55.5+Very unhealthy 125.5+Hazardous 225.5+No data
Estimated: cities without a monitor
New Zealand cities we can't measure, with model estimates for the last 7 days. Listed by population, not ranked: estimates aren't precise enough to rank. Model estimates from the Copernicus Atmosphere Monitoring Service (CAMS), adjusted to measured cities nearby where there are any. Adjusted, a single day lands within ×1.5 of what a monitor would read about two times in three; unadjusted, it can be off by half or double. Treat them as a guide, not a measurement.
| City | 7-day estimate |
|---|---|
| Auckland estimated | ≈ 8 µg/m³ |
| Wellington estimated | ≈ 4 µg/m³ |
| Manukau City estimated | ≈ 8 µg/m³ |
| Hamilton estimated | ≈ 7 µg/m³ |
| Tauranga estimated | ≈ 6 µg/m³ |
| Lower Hutt estimated | ≈ 4 µg/m³ |
| Palmerston North estimated | ≈ 4 µg/m³ |
| New Plymouth estimated | ≈ 8 µg/m³ |
| Hastings estimated | ≈ 3 µg/m³ |
| Napier estimated | ≈ 3 µg/m³ |
| Rotorua estimated | ≈ 5 µg/m³ |
| Porirua estimated | ≈ 4 µg/m³ |
| Invercargill estimated | ≈ 4 µg/m³ |
| Papatoetoe estimated | ≈ 8 µg/m³ |
| Nelson estimated | ≈ 3 µg/m³ |
| Whangarei estimated | ≈ 7 µg/m³ |
| Whanganui estimated | ≈ 5 µg/m³ |
| Upper Hutt estimated | ≈ 4 µg/m³ |
| Manurewa estimated | ≈ 8 µg/m³ |
| Gisborne estimated | ≈ 3 µg/m³ |
| Papakura estimated | ≈ 8 µg/m³ |
| Rolleston estimated | ≈ 12 µg/m³ |
| Paraparaumu estimated | ≈ 4 µg/m³ |
| Blenheim estimated | ≈ 2 µg/m³ |
| Masterton estimated | ≈ 4 µg/m³ |
| Remuera estimated | ≈ 8 µg/m³ |
| Taupo estimated | ≈ 4 µg/m³ |
| Avondale estimated | ≈ 8 µg/m³ |
| Otara estimated | ≈ 8 µg/m³ |
| New Lynn estimated | ≈ 8 µg/m³ |
| Mangere estimated | ≈ 8 µg/m³ |
| Ashburton estimated | ≈ 7 µg/m³ |
| Pukekohe East estimated | ≈ 8 µg/m³ |
| Wainuiomata estimated | ≈ 4 µg/m³ |
| Stoke estimated | ≈ 3 µg/m³ |
| Richmond estimated | ≈ 3 µg/m³ |
| Levin estimated | ≈ 4 µg/m³ |
| Whakatane estimated | ≈ 5 µg/m³ |
| Otahuhu estimated | ≈ 8 µg/m³ |
| Takanini estimated | ≈ 8 µg/m³ |
Regions
Updated 2026-10-01 16:07 UTC. Values are PM2.5 in µg/m³ (fine particles), the median of each city's monitors.