Air Quality Lab — Limbe, Cameroon
Air Quality Profile·
Limbe reports an annual PM2.5 of 24.9 µg/m³. That's meaningfully above the WHO 2021 guideline of 5 µg/m³ yet within the EU annual limit of 25 µg/m³.
Limbe
Cameroon
CameroonAnnual Average
ModerateWHO annual classification
24.9µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
4242 µg/m³ — Unhealthy
4848 µg/m³ — Unhealthy
2929 µg/m³ — Poor
1919 µg/m³ — Moderate
1515 µg/m³ — Fair
1717 µg/m³ — Moderate
2121 µg/m³ — Moderate
1919 µg/m³ — Moderate
1515 µg/m³ — Fair
1414 µg/m³ — Fair
2626 µg/m³ — Poor
3636 µg/m³ — Unhealthy
Jan
Feb
Mar
Apr
May
Jun
4242 µg/m³ — Unhealthy
4848 µg/m³ — Unhealthy
2929 µg/m³ — Poor
1919 µg/m³ — Moderate
1515 µg/m³ — Fair
1717 µg/m³ — Moderate
Jul
Aug
Sep
Oct
Nov
Dec
2121 µg/m³ — Moderate
1919 µg/m³ — Moderate
1515 µg/m³ — Fair
1414 µg/m³ — Fair
2626 µg/m³ — Poor
3636 µg/m³ — Unhealthy
Best months: May, Sep–OctWorst months: Jan–Feb, Dec
Fair10–15 µg/m³Moderate15–25 µg/m³Poor25–35 µg/m³Unhealthy35–50 µg/m³
Based on WUSTL PM2.5 dataset (2020–2024) · WHO 2021 thresholds
Confidence: ●●●
How air quality compares
Compared across Cameroon
Limbe: 24.9 µg/m³. Typical range in Cameroon: 27.2–46.0 µg/m³. Low anchor: Kribi, 21.7 µg/m³. High anchor: Bamenda, 90.6 µg/m³.
85 cities tracked