Air Quality Lab — Ambam, Cameroon
Air Quality Profile·
Ambam reports an annual PM2.5 of 23.3 µg/m³. That's meaningfully above the WHO 2021 guideline of 5 µg/m³ yet within the EU annual limit of 25 µg/m³.
Ambam
Cameroon
CameroonAnnual Average
ModerateWHO annual classification
23.3µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
3939 µg/m³ — Unhealthy
3535 µg/m³ — Poor
3737 µg/m³ — Unhealthy
2323 µg/m³ — Moderate
1717 µg/m³ — Moderate
2020 µg/m³ — Moderate
2626 µg/m³ — Poor
1313 µg/m³ — Fair
9.99.9 µg/m³ — Good
1313 µg/m³ — Fair
1717 µg/m³ — Moderate
3232 µg/m³ — Poor
Jan
Feb
Mar
Apr
May
Jun
3939 µg/m³ — Unhealthy
3535 µg/m³ — Poor
3737 µg/m³ — Unhealthy
2323 µg/m³ — Moderate
1717 µg/m³ — Moderate
2020 µg/m³ — Moderate
Jul
Aug
Sep
Oct
Nov
Dec
2626 µg/m³ — Poor
1313 µg/m³ — Fair
9.99.9 µg/m³ — Good
1313 µg/m³ — Fair
1717 µg/m³ — Moderate
3232 µg/m³ — Poor
Best months: Aug–OctWorst months: Jan–Mar
Good5–10 µg/m³Fair10–15 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
Ambam: 23.3 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