Air Quality Lab — Bertoua, Cameroon
Air Quality Profile·
Bertoua reports an annual PM2.5 of 28.5 µg/m³. That's above the EU annual limit of 25 µg/m³ — long-term exposure here carries documented health trade-offs.
Bertoua
Cameroon
CameroonAnnual Average
PoorWHO annual classification
28.5µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
3939 µg/m³ — Unhealthy
5858 µg/m³ — Very Unhealthy
3939 µg/m³ — Unhealthy
2727 µg/m³ — Poor
2121 µg/m³ — Moderate
2525 µg/m³ — Poor
2525 µg/m³ — Moderate
1818 µg/m³ — Moderate
1515 µg/m³ — Moderate
1818 µg/m³ — Moderate
2424 µg/m³ — Moderate
3434 µg/m³ — Poor
Jan
Feb
Mar
Apr
May
Jun
3939 µg/m³ — Unhealthy
5858 µg/m³ — Very Unhealthy
3939 µg/m³ — Unhealthy
2727 µg/m³ — Poor
2121 µg/m³ — Moderate
2525 µg/m³ — Poor
Jul
Aug
Sep
Oct
Nov
Dec
2525 µg/m³ — Moderate
1818 µg/m³ — Moderate
1515 µg/m³ — Moderate
1818 µg/m³ — Moderate
2424 µg/m³ — Moderate
3434 µg/m³ — Poor
Best months: Aug–OctWorst months: Jan–Mar
Moderate15–25 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
Bertoua: 28.5 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