Air Quality Lab — Oyem, Gabon
Air Quality Profile·
Oyem reports an annual PM2.5 of 30.3 µg/m³. That's above the EU annual limit of 25 µg/m³ — long-term exposure here carries documented health trade-offs.
Oyem
Gabon
GabonAnnual Average
PoorWHO annual classification
30.3µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
4141 µg/m³ — Unhealthy
5353 µg/m³ — Very Unhealthy
3333 µg/m³ — Poor
2929 µg/m³ — Poor
2424 µg/m³ — Moderate
2727 µg/m³ — Poor
3030 µg/m³ — Poor
3131 µg/m³ — Poor
1717 µg/m³ — Moderate
1818 µg/m³ — Moderate
2323 µg/m³ — Moderate
3838 µg/m³ — Unhealthy
Jan
Feb
Mar
Apr
May
Jun
4141 µg/m³ — Unhealthy
5353 µg/m³ — Very Unhealthy
3333 µg/m³ — Poor
2929 µg/m³ — Poor
2424 µg/m³ — Moderate
2727 µg/m³ — Poor
Jul
Aug
Sep
Oct
Nov
Dec
3030 µg/m³ — Poor
3131 µg/m³ — Poor
1717 µg/m³ — Moderate
1818 µg/m³ — Moderate
2323 µg/m³ — Moderate
3838 µg/m³ — Unhealthy
Best months: Sep–NovWorst months: Jan–Feb, Dec
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 Gabon
Oyem: 30.3 µg/m³. Typical range in Gabon: 19.4–28.1 µg/m³. Low anchor: Port-Gentil, 16.0 µg/m³. High anchor: Franceville, 33.1 µg/m³.
13 cities tracked