Air Quality Lab — Auckland, New Zealand
Air Quality Profile
Auckland reports an annual PM2.5 of 5.9 µg/m³. That's close to the WHO 2021 annual guideline (5 µg/m³) and well inside historically healthy ranges.
Auckland
New Zealand
New ZealandAnnual Average
GoodWHO annual classification
5.9µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
5.95.9 µg/m³ — Good
6.56.5 µg/m³ — Good
6.66.6 µg/m³ — Good
6.36.3 µg/m³ — Good
5.45.4 µg/m³ — Good
5.45.4 µg/m³ — Good
5.55.5 µg/m³ — Good
5.85.8 µg/m³ — Good
5.65.6 µg/m³ — Good
5.45.4 µg/m³ — Good
6.46.4 µg/m³ — Good
5.75.7 µg/m³ — Good
Jan
Feb
Mar
Apr
May
Jun
5.95.9 µg/m³ — Good
6.56.5 µg/m³ — Good
6.66.6 µg/m³ — Good
6.36.3 µg/m³ — Good
5.45.4 µg/m³ — Good
5.45.4 µg/m³ — Good
Jul
Aug
Sep
Oct
Nov
Dec
5.55.5 µg/m³ — Good
5.85.8 µg/m³ — Good
5.65.6 µg/m³ — Good
5.45.4 µg/m³ — Good
6.46.4 µg/m³ — Good
5.75.7 µg/m³ — Good
Best months: May–Jun, OctWorst months: Feb–Mar, Nov
Good5–10 µg/m³
Based on WUSTL PM2.5 dataset (2020–2024) · WHO 2021 thresholds
Confidence: ●●●
How air quality compares
Compared across New Zealand
Auckland: 5.9 µg/m³. Typical range in New Zealand: 5.9–6.4 µg/m³. Low anchor: Invercargill, 5.4 µg/m³. High anchor: Christchurch, 7.1 µg/m³.
33 cities tracked