Air Quality Lab — Mahajanga, Madagascar
Air Quality Profile·
Mahajanga reports an annual PM2.5 of 7.9 µg/m³. That's close to the WHO 2021 annual guideline (5 µg/m³) and well inside historically healthy ranges.
Mahajanga
Madagascar
MadagascarAnnual Average
GoodWHO annual classification
7.9µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
8.08.0 µg/m³ — Good
8.48.4 µg/m³ — Good
7.87.8 µg/m³ — Good
7.87.8 µg/m³ — Good
6.36.3 µg/m³ — Good
5.25.2 µg/m³ — Good
5.05.0 µg/m³ — Excellent
5.65.6 µg/m³ — Good
8.18.1 µg/m³ — Good
1010 µg/m³ — Fair
1111 µg/m³ — Fair
1111 µg/m³ — Fair
Jan
Feb
Mar
Apr
May
Jun
8.08.0 µg/m³ — Good
8.48.4 µg/m³ — Good
7.87.8 µg/m³ — Good
7.87.8 µg/m³ — Good
6.36.3 µg/m³ — Good
5.25.2 µg/m³ — Good
Jul
Aug
Sep
Oct
Nov
Dec
5.05.0 µg/m³ — Excellent
5.65.6 µg/m³ — Good
8.18.1 µg/m³ — Good
1010 µg/m³ — Fair
1111 µg/m³ — Fair
1111 µg/m³ — Fair
Best months: Jun–AugWorst months: Oct–Dec
Excellent0–5 µg/m³Good5–10 µg/m³Fair10–15 µg/m³
Based on WUSTL PM2.5 dataset (2020–2024) · WHO 2021 thresholds
Confidence: ●●●
How air quality compares
Compared across Madagascar
Mahajanga: 7.9 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