SmogRank / World / Oceania / New Zealand / Otago

Most polluted cities in Otago, New Zealand

1 measured city, this year; 1 above the WHO annual guideline. Worst: Dunedin at 5.5 µg/m³, #2,029 in the world.

SouthlandOtago: 1 measured cityCanterbury: 3 measured cities#1 Dunedin: 5.5 µg/m³
Each dot is a measured city, coloured by its PM2.5; tap a dot to open the city.
  1. 1Dunedinlow-cost sensors 5.51.1×
Good0–9.0
Moderate9.1–35.4
Sensitive groups35.5–55.4
Unhealthy55.5–125.4
Very unhealthy125.5–225.4
Hazardous225.5+

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SmogRank, most polluted cities in Otago, New Zealand, PM2.5, this year to 2 Oct 2026, 01:00 UTC, smogrank.com/nz/region/otago?w=year.

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Updated 2026-10-02 01:07 UTC. Values are PM2.5 in µg/m³ (fine particles), the median of each city's monitors.