SmogRank / Countries / New Zealand / August 2024
Most polluted cities in New Zealand, August 2024
4 cities in New Zealand ranked by their average PM2.5 over the 31 days. Worst: Rangiora at 16.2 µg/m³, #61 of 1,551 cities in the world. Cleanest: Christchurch at 10.1. A city needs measurements on 70% of the days to be ranked.
- 1RangioraCanterbury 16.2
- 2TimaruCanterbury 12.5
- 3AshburtonCanterbury 11.9
- 4ChristchurchCanterbury 10.1
Good0–9.0
Moderate9.1–35.4
Sensitive groups35.5–55.4
Unhealthy55.5–125.4
Very unhealthy125.5–225.4
Hazardous225.5+