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 7 days. The worst was Rangiora, New Zealand, at 8.3 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 7 days; tap a country to open it.
← Rangiora 8.3 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 Zealand47.4 Rangiora 8.3
Australia33.1 Melbourne 3.7

Worst cities

  1. 1RangioraCanterbury, New Zealand 46
  2. 2TimaruCanterbury, New Zealand 44
  3. 3ChristchurchCanterbury, New Zealand 38
  4. 4Melbournelow-cost sensorsVictoria, Australia 21
  5. 5Adelaidelow-cost sensorsSouth Australia, Australia 17
  6. 6Sydneylow-cost sensorsNew South Wales, Australia 17
  7. 7Dunedinlow-cost sensorsOtago, New Zealand 11
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 08:07 UTC. Values are PM2.5 (fine particles), the median of each city's monitors, as the US AQI PM2.5 sub-index.