Air Quality Lab — Dunedin, New Zealand
Air Quality Profile
Dunedin reports an annual PM2.5 of 5.7 µg/m³. That's close to the WHO 2021 annual guideline (5 µg/m³) and well inside historically healthy ranges.
Dunedin
New Zealand
New ZealandAnnual Average
GoodWHO annual classification
5.7µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
6.16.1 µg/m³ — Good
5.95.9 µg/m³ — Good
5.65.6 µg/m³ — Good
5.85.8 µg/m³ — Good
5.75.7 µg/m³ — Good
5.75.7 µg/m³ — Good
5.75.7 µg/m³ — Good
5.75.7 µg/m³ — Good
5.95.9 µg/m³ — Good
5.45.4 µg/m³ — Good
5.35.3 µg/m³ — Good
5.65.6 µg/m³ — Good
Jan
Feb
Mar
Apr
May
Jun
6.16.1 µg/m³ — Good
5.95.9 µg/m³ — Good
5.65.6 µg/m³ — Good
5.85.8 µg/m³ — Good
5.75.7 µg/m³ — Good
5.75.7 µg/m³ — Good
Jul
Aug
Sep
Oct
Nov
Dec
5.75.7 µg/m³ — Good
5.75.7 µg/m³ — Good
5.95.9 µg/m³ — Good
5.45.4 µg/m³ — Good
5.35.3 µg/m³ — Good
5.65.6 µg/m³ — Good
Best months: Mar, Oct–NovWorst months: Jan–Feb, Sep
Good5–10 µg/m³
Based on WUSTL PM2.5 dataset (2020–2024) · WHO 2021 thresholds
Confidence: ●●●
How air quality compares
Compared across New Zealand
Dunedin: 5.7 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