Air Quality Lab — Blangwa, Cameroon
Air Quality Profile·
Blangwa reports an annual PM2.5 of 45.0 µg/m³. That's above the EU annual limit of 25 µg/m³ — long-term exposure here carries documented health trade-offs.
Blangwa
Cameroon
CameroonAnnual Average
UnhealthyWHO annual classification
45.0µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
5050 µg/m³ — Very Unhealthy
9999 µg/m³ — Hazardous
6666 µg/m³ — Very Unhealthy
4949 µg/m³ — Unhealthy
4444 µg/m³ — Unhealthy
3636 µg/m³ — Unhealthy
2424 µg/m³ — Moderate
2323 µg/m³ — Moderate
2727 µg/m³ — Poor
4444 µg/m³ — Unhealthy
3939 µg/m³ — Unhealthy
4040 µg/m³ — Unhealthy
Jan
Feb
Mar
Apr
May
Jun
5050 µg/m³ — Very Unhealthy
9999 µg/m³ — Hazardous
6666 µg/m³ — Very Unhealthy
4949 µg/m³ — Unhealthy
4444 µg/m³ — Unhealthy
3636 µg/m³ — Unhealthy
Jul
Aug
Sep
Oct
Nov
Dec
2424 µg/m³ — Moderate
2323 µg/m³ — Moderate
2727 µg/m³ — Poor
4444 µg/m³ — Unhealthy
3939 µg/m³ — Unhealthy
4040 µg/m³ — Unhealthy
Best months: Jul–SepWorst 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
Blangwa: 45.0 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