SmogRank / Countries / New Zealand / December 2024

Most polluted cities in New Zealand, December 2024

5 cities in New Zealand ranked by their average PM2.5 over the 31 days. Worst: Timaru at 5.9 µg/m³, #1,651 of 2,078 cities in the world. Cleanest: Dunedin at 2.9. A city needs measurements on 70% of the days to be ranked.

  1. 1TimaruCanterbury
    5.9
  2. 2RangioraCanterbury
    5.0
  3. 3ChristchurchCanterbury
    4.9
  4. 3AshburtonCanterbury
    4.9
  5. 5Dunedinlow-cost sensorsOtago
    2.9
Good0–9.0
Moderate9.1–35.4
Sensitive groups35.5–55.4
Unhealthy55.5–125.4
Very unhealthy125.5–225.4
Hazardous225.5+

All cities in the world, December 2024 · New Zealand now