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 8.5 µg/m³.

VanuatuTimor LesteSolomon IslandsSingapore: 1 measured cityPapua 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 8.5 µg/m³ 15 µg/m³ WHO 24-hour guideline0
Every measured city in Oceania, one column each, worst on the left and cleanest on the right; height is PM2.5 in µg/m³. Point at it to read a city; tap to open it.

Countries

CountryCitiesMedianCities by bandWorst city
New Zealand45.8 Rangiora 8.5
Australia32.4 Melbourne 2.7

Worst cities

  1. 1RangioraCanterbury, New Zealand 470.6×
  2. 2ChristchurchCanterbury, New Zealand 340.4×
  3. 3TimaruCanterbury, New Zealand 300.4×
  4. 4Melbournelow-cost sensorsVictoria, Australia 150.2×
  5. 5Sydneylow-cost sensorsNew South Wales, Australia 130.2×
  6. 6Adelaidelow-cost sensorsSouth Australia, Australia 90.1×
  7. 7Dunedinlow-cost sensorsOtago, New Zealand 70.1×
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 07:07 UTC. Values are PM2.5 (fine particles), the median of each city's monitors, as the US AQI PM2.5 sub-index.