Air Quality Lab — Toamasina, Madagascar
Air Quality Profile·
Toamasina reports an annual PM2.5 of 6.6 µg/m³. That's close to the WHO 2021 annual guideline (5 µg/m³) and well inside historically healthy ranges.
Toamasina
Madagascar
MadagascarAnnual Average
GoodWHO annual classification
6.6µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
6.56.5 µg/m³ — Good
7.57.5 µg/m³ — Good
7.57.5 µg/m³ — Good
6.66.6 µg/m³ — Good
5.55.5 µg/m³ — Good
5.15.1 µg/m³ — Good
5.15.1 µg/m³ — Good
5.35.3 µg/m³ — Good
5.65.6 µg/m³ — Good
7.97.9 µg/m³ — Good
7.77.7 µg/m³ — Good
8.68.6 µg/m³ — Good
Jan
Feb
Mar
Apr
May
Jun
6.56.5 µg/m³ — Good
7.57.5 µg/m³ — Good
7.57.5 µg/m³ — Good
6.66.6 µg/m³ — Good
5.55.5 µg/m³ — Good
5.15.1 µg/m³ — Good
Jul
Aug
Sep
Oct
Nov
Dec
5.15.1 µg/m³ — Good
5.35.3 µg/m³ — Good
5.65.6 µg/m³ — Good
7.97.9 µg/m³ — Good
7.77.7 µg/m³ — Good
8.68.6 µg/m³ — Good
Best months: Jun–AugWorst months: Oct–Dec
Good5–10 µg/m³
Based on WUSTL PM2.5 dataset (2020–2024) · WHO 2021 thresholds
Confidence: ●●●
How air quality compares
Compared across Madagascar
Toamasina: 6.6 µg/m³. Typical range in Madagascar: 5.6–8.3 µg/m³. Low anchor: Tsiombe, 3.3 µg/m³. High anchor: Antananarivo, 17.8 µg/m³.
97 cities tracked