SmogRank / Countries / New Zealand / November 2025

Most polluted cities in New Zealand, November 2025

6 cities in New Zealand ranked by their average PM2.5 over the 30 days. Worst: Taupo at 6.8 µg/m³, #1,521 of 2,173 cities in the world. Cleanest: Dunedin at 2.1. A city needs measurements on 70% of the days to be ranked.

  1. 1TaupoWaikato Region
    6.8
  2. 2TimaruCanterbury
    6.4
  3. 3ChristchurchCanterbury
    5.4
  4. 4RangioraCanterbury
    4.8
  5. 5HamiltonWaikato Region
    4.6
  6. 6Dunedinlow-cost sensorsOtago
    2.1
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, November 2025 · New Zealand now