SmogRank / World / Oceania

Most polluted cities in Oceania

0 of 7 measured cities in 2 countries were above the WHO 24-hour guideline over the last 24 hours. The worst was Rangiora, New Zealand, at 8.9 µg/m³.

VanuatuTimor LesteSolomon IslandsSingapore: 2 measured citiesPapua New GuineaNew Zealand: 4 measured citiesNauruMalaysiaIndonesia: 4 measured citiesNew CaledoniaFijiAustralia: 3 measured cities
Each dot is a measured city, coloured by its PM2.5 over the last 24 hours; tap a country to open it.
← Rangiora 8.9 WHO 24-hour guideline
Every measured city in Oceania, one column each, worst on the left and cleanest on the right. Point at it to read a city; tap to open it.

Countries

CountryCitiesMedianCities by bandWorst city
New Zealand46.7 Rangiora 8.9
Australia32.3 Melbourne 2.9

Worst cities

  1. 1RangioraCanterbury, New Zealand 490.6×
  2. 2TimaruCanterbury, New Zealand 390.5×
  3. 3ChristchurchCanterbury, New Zealand 350.4×
  4. 4Melbournelow-cost sensorsVictoria, Australia 160.2×
  5. 5Dunedinlow-cost sensorsOtago, New Zealand 140.2×
  6. 6Adelaidelow-cost sensorsSouth Australia, Australia 130.2×
  7. 7Sydneylow-cost sensorsNew South Wales, Australia 110.1×
All cities in the world
Good0–50
Moderate51–100
Sensitive groups101–150
Unhealthy151–200
Very unhealthy201–300
Hazardous301+

The US EPA's Air Quality Index for PM2.5 (2024 breakpoints). Show values as: µg/m³ · US AQI · India AQI · China AQI · European AQI · UK DAQI · Canada AQHI+. About the scales

Updated 2026-10-02 02:07 UTC. Values are PM2.5 (fine particles), the median of each city's monitors, as the US AQI PM2.5 sub-index.