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 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 Zealand47.7 Rangiora 9.1
Australia34.0 Sydney 4.5

Worst cities

  1. 1RangioraCanterbury, New Zealand 1
  2. 2TimaruCanterbury, New Zealand 1
  3. 3ChristchurchCanterbury, New Zealand 1
  4. 4Sydneylow-cost sensorsNew South Wales, Australia 1
  5. 5Melbournelow-cost sensorsVictoria, Australia 1
  6. 6Adelaidelow-cost sensorsSouth Australia, Australia 1
  7. 7Dunedinlow-cost sensorsOtago, New Zealand 1
All cities in the world
Low risk1–3
Moderate risk4–6
High risk7–10
Very high risk10+

Canada's AQHI+ for PM2.5 (1 point per 10 µg/m³), which is defined on hourly values. Show values as: µg/m³ · US AQI · India AQI · China AQI · European AQI · UK DAQI · Canada AQHI+. About the scales

Updated 2026-10-02 06:07 UTC. Values are PM2.5 (fine particles), the median of each city's monitors, as the Canada AQHI+ PM2.5 sub-index.