Air Quality Lab — Obuase, Ghana
Air Quality Profile·
Obuase 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.
Obuase
Ghana
GhanaAnnual Average
PoorWHO annual classification
30.3µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
5353 µg/m³ — Very Unhealthy
5959 µg/m³ — Very Unhealthy
3030 µg/m³ — Poor
2828 µg/m³ — Poor
1818 µg/m³ — Moderate
1919 µg/m³ — Moderate
2424 µg/m³ — Moderate
2424 µg/m³ — Moderate
1717 µg/m³ — Moderate
1919 µg/m³ — Moderate
2424 µg/m³ — Moderate
5151 µg/m³ — Very Unhealthy
Jan
Feb
Mar
Apr
May
Jun
5353 µg/m³ — Very Unhealthy
5959 µg/m³ — Very Unhealthy
3030 µg/m³ — Poor
2828 µg/m³ — Poor
1818 µg/m³ — Moderate
1919 µg/m³ — Moderate
Jul
Aug
Sep
Oct
Nov
Dec
2424 µg/m³ — Moderate
2424 µg/m³ — Moderate
1717 µg/m³ — Moderate
1919 µg/m³ — Moderate
2424 µg/m³ — Moderate
5151 µg/m³ — Very Unhealthy
Best months: May, Sep–OctWorst months: Jan–Feb, Dec
Moderate15–25 µg/m³Poor25–35 µg/m³Very Unhealthy50–75 µg/m³
Based on WUSTL PM2.5 dataset (2020–2024) · WHO 2021 thresholds
Confidence: ●●●
How air quality compares
Compared across Ghana
Obuase: 30.3 µg/m³. Typical range in Ghana: 24.5–31.7 µg/m³. Low anchor: Takoradi, 20.1 µg/m³. High anchor: Kumasi, 42.3 µg/m³.
71 cities tracked