Air Quality Lab — Douala, Cameroon
Air Quality Profile·
Douala reports an annual PM2.5 of 36.7 µg/m³. That's above the EU annual limit of 25 µg/m³ — long-term exposure here carries documented health trade-offs.
Douala
Cameroon
CameroonAnnual Average
UnhealthyWHO annual classification
36.7µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
5757 µg/m³ — Very Unhealthy
8282 µg/m³ — Hazardous
5656 µg/m³ — Very Unhealthy
2929 µg/m³ — Poor
2222 µg/m³ — Moderate
2424 µg/m³ — Moderate
3030 µg/m³ — Poor
2626 µg/m³ — Poor
2020 µg/m³ — Moderate
2020 µg/m³ — Moderate
2929 µg/m³ — Poor
4646 µg/m³ — Unhealthy
Jan
Feb
Mar
Apr
May
Jun
5757 µg/m³ — Very Unhealthy
8282 µg/m³ — Hazardous
5656 µg/m³ — Very Unhealthy
2929 µg/m³ — Poor
2222 µg/m³ — Moderate
2424 µg/m³ — Moderate
Jul
Aug
Sep
Oct
Nov
Dec
3030 µg/m³ — Poor
2626 µg/m³ — Poor
2020 µg/m³ — Moderate
2020 µg/m³ — Moderate
2929 µg/m³ — Poor
4646 µg/m³ — Unhealthy
Best months: May, Sep–OctWorst months: Jan–Mar
Moderate15–25 µg/m³Poor25–35 µg/m³Unhealthy35–50 µg/m³Very Unhealthy50–75 µg/m³Hazardous>75 µg/m³
Based on WUSTL PM2.5 dataset (2020–2024) · WHO 2021 thresholds
Confidence: ●●●
How air quality compares
Compared across Cameroon
Douala: 36.7 µg/m³. Typical range in Cameroon: 27.2–46.0 µg/m³. Low anchor: Limbe, 24.9 µg/m³. High anchor: Bamenda, 90.6 µg/m³.
85 cities tracked