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 30 days. The worst was Rangiora, New Zealand, at 9.1 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 30 days; tap a country to open it.
← Rangiora 9.1 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 Zealand47.7 Rangiora 9.1
Australia34.0 Sydney 4.5

Worst cities

  1. 1RangioraCanterbury, New Zealand 15
  2. 2TimaruCanterbury, New Zealand 13
  3. 3ChristchurchCanterbury, New Zealand 12
  4. 4Sydneylow-cost sensorsNew South Wales, Australia 8
  5. 5Melbournelow-cost sensorsVictoria, Australia 7
  6. 6Adelaidelow-cost sensorsSouth Australia, Australia 5
  7. 7Dunedinlow-cost sensorsOtago, New Zealand 3
All cities in the world
Good0–50
Satisfactory51–100
Moderate101–200
Poor201–300
Very poor301–400
Severe401+

India's National Air Quality Index (CPCB), PM2.5 sub-index. Show values as: µg/m³ · US AQI · India AQI · China AQI · European AQI · UK DAQI · Canada AQHI+. About the scales

Updated 2026-10-02 05:07 UTC. Values are PM2.5 (fine particles), the median of each city's monitors, as the India AQI PM2.5 sub-index.