Air Quality in Auckland Today
Check the current air quality in Auckland, compare it with yesterday and see the outlook for tomorrow. This page uses the OpenWeather Air Pollution Index, where 1 is good and 5 is very poor.
Latest reading: 15 Sep 2026, 9:26 am NZST
Yesterday: Fair (2 of 5)
Tomorrow: Fair (2 of 5)
What Does Today's Auckland AQI Mean?
Most people can continue normal outdoor activities.
This is an area-level reading for central Auckland, not a street-level measurement for every suburb. Conditions beside a busy road can differ.
Current Pollutant Levels in Auckland
Concentrations are shown in micrograms per cubic metre (µg/m³).
- CO: 70.85 µg/m³ — Low
- NO: 0 µg/m³ — Low
- NO2: 0.05 µg/m³ — Low
- O3: 70.73 µg/m³ — Moderate
- SO2: 0.1 µg/m³ — Low
- PM2.5: 1.4 µg/m³ — Low
- PM10: 6.04 µg/m³ — Low
- NH3: 0.03 µg/m³ — Low
PM2.5 and PM10 are airborne particles. NO₂ is commonly associated with traffic emissions, while ground-level ozone forms through chemical reactions in sunlight.
Why Auckland Air Quality Changes
Auckland often benefits from coastal winds that disperse pollution, but conditions are not identical every day. Calm weather can allow pollutants to build up, while wind and rain usually help clear the air.
- Traffic: Emissions can increase nitrogen dioxide and particle levels near busy roads.
- Winter heating: Domestic fires can add fine particles during colder periods.
- Weather: Still conditions can trap pollution, while stronger winds usually disperse it.
- Smoke: Local fires or smoke transported from farther away can temporarily affect particle levels.
Official Auckland Monitoring
For verified local measurements, compare this forecast-based reading with LAWA's Queen Street monitoring station. The station monitors PM2.5, PM10 and nitrogen dioxide in Auckland's city centre.
Auckland Air Quality FAQ
What is Auckland's AQI today?
Auckland's current AQI is 2 of 5, classified as fair on the OpenWeather scale.
Is Auckland's air quality usually good?
Auckland frequently has relatively clean air, but traffic, home heating, smoke and calm weather can cause short-term local increases in pollution.
Is this a street-level reading?
No. It is an area-level estimate for central Auckland. Conditions beside a busy road or in another suburb can differ from the value shown here.
How often is this page updated?
AirNearby refreshes the underlying Auckland data every 30 minutes.