Air Quality Lab — Nouméa, New Caledonia
Air Quality Profile·
Nouméa reports an annual PM2.5 of 3.9 µg/m³. That's below the WHO 2021 annual guideline of 5 µg/m³ — cleaner than most cities on the continent.
Nouméa
New Caledonia
New CaledoniaAnnual Average
ExcellentWHO annual classification
3.9µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
5.25.2 µg/m³ — Good
4.94.9 µg/m³ — Excellent
3.93.9 µg/m³ — Excellent
4.64.6 µg/m³ — Excellent
2.92.9 µg/m³ — Excellent
2.32.3 µg/m³ — Excellent
2.72.7 µg/m³ — Excellent
2.92.9 µg/m³ — Excellent
3.13.1 µg/m³ — Excellent
3.93.9 µg/m³ — Excellent
3.93.9 µg/m³ — Excellent
6.26.2 µg/m³ — Good
Jan
Feb
Mar
Apr
May
Jun
5.25.2 µg/m³ — Good
4.94.9 µg/m³ — Excellent
3.93.9 µg/m³ — Excellent
4.64.6 µg/m³ — Excellent
2.92.9 µg/m³ — Excellent
2.32.3 µg/m³ — Excellent
Jul
Aug
Sep
Oct
Nov
Dec
2.72.7 µg/m³ — Excellent
2.92.9 µg/m³ — Excellent
3.13.1 µg/m³ — Excellent
3.93.9 µg/m³ — Excellent
3.93.9 µg/m³ — Excellent
6.26.2 µg/m³ — Good
Best months: May–JulWorst months: Jan–Feb, Dec
Excellent0–5 µg/m³Good5–10 µg/m³
Based on WUSTL PM2.5 dataset (2020–2024) · WHO 2021 thresholds
Confidence: ●●●
How air quality compares
Compared across New Caledonia
Nouméa: 3.9 µg/m³. Typical range in New Caledonia: 3.6–4.1 µg/m³. Low anchor: Mont-Dore, 3.6 µg/m³. High anchor: Dumbéa, 4.1 µg/m³.
3 cities tracked