SmogRank / Countries / New Zealand / October 2024

Most polluted cities in New Zealand, October 2024

5 cities in New Zealand ranked by their average PM2.5 over the 31 days. Worst: Timaru at 6.4 µg/m³, #1,007 of 1,561 cities in the world. Cleanest: Dunedin at 4.2. A city needs measurements on 70% of the days to be ranked.

  1. 1TimaruCanterbury
    6.4
  2. 2RangioraCanterbury
    5.3
  3. 3AshburtonCanterbury
    4.9
  4. 4ChristchurchCanterbury
    4.6
  5. 5Dunedinlow-cost sensorsOtago
    4.2
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, October 2024 · New Zealand now

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SmogRank, most polluted cities in New Zealand, PM2.5, October 2024, smogrank.com/nz/history/2024-10 (accessed 2 Oct 2026).

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