Air Quality Lab — Kumba, Cameroon
Air Quality Profile·
Kumba reports an annual PM2.5 of 28.0 µg/m³. That's above the EU annual limit of 25 µg/m³ — long-term exposure here carries documented health trade-offs.
Kumba
Cameroon
CameroonAnnual Average
PoorWHO annual classification
28.0µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
4848 µg/m³ — Unhealthy
5959 µg/m³ — Very Unhealthy
2727 µg/m³ — Poor
2323 µg/m³ — Moderate
1818 µg/m³ — Moderate
1919 µg/m³ — Moderate
2222 µg/m³ — Moderate
2020 µg/m³ — Moderate
1414 µg/m³ — Fair
1818 µg/m³ — Moderate
2727 µg/m³ — Poor
4040 µg/m³ — Unhealthy
Jan
Feb
Mar
Apr
May
Jun
4848 µg/m³ — Unhealthy
5959 µg/m³ — Very Unhealthy
2727 µg/m³ — Poor
2323 µg/m³ — Moderate
1818 µg/m³ — Moderate
1919 µg/m³ — Moderate
Jul
Aug
Sep
Oct
Nov
Dec
2222 µg/m³ — Moderate
2020 µg/m³ — Moderate
1414 µg/m³ — Fair
1818 µg/m³ — Moderate
2727 µg/m³ — Poor
4040 µg/m³ — Unhealthy
Best months: May, Sep–OctWorst months: Jan–Feb, Dec
Fair10–15 µg/m³Moderate15–25 µg/m³Poor25–35 µg/m³Unhealthy35–50 µg/m³Very Unhealthy50–75 µg/m³
Based on WUSTL PM2.5 dataset (2020–2024) · WHO 2021 thresholds
Confidence: ●●●
How air quality compares
Compared across Cameroon
Kumba: 28.0 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