Air Quality Lab — Tarkwa, Ghana
Air Quality Profile·
Tarkwa reports an annual PM2.5 of 20.4 µg/m³. That's meaningfully above the WHO 2021 guideline of 5 µg/m³ yet within the EU annual limit of 25 µg/m³.
Tarkwa
Ghana
GhanaAnnual Average
ModerateWHO annual classification
20.4µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
4141 µg/m³ — Unhealthy
3838 µg/m³ — Unhealthy
2121 µg/m³ — Moderate
1414 µg/m³ — Fair
1212 µg/m³ — Fair
1111 µg/m³ — Fair
1818 µg/m³ — Moderate
1414 µg/m³ — Fair
9.99.9 µg/m³ — Good
1111 µg/m³ — Fair
1717 µg/m³ — Moderate
3939 µg/m³ — Unhealthy
Jan
Feb
Mar
Apr
May
Jun
4141 µg/m³ — Unhealthy
3838 µg/m³ — Unhealthy
2121 µg/m³ — Moderate
1414 µg/m³ — Fair
1212 µg/m³ — Fair
1111 µg/m³ — Fair
Jul
Aug
Sep
Oct
Nov
Dec
1818 µg/m³ — Moderate
1414 µg/m³ — Fair
9.99.9 µg/m³ — Good
1111 µg/m³ — Fair
1717 µg/m³ — Moderate
3939 µg/m³ — Unhealthy
Best months: Jun, Sep–OctWorst months: Jan–Feb, Dec
Good5–10 µg/m³Fair10–15 µg/m³Moderate15–25 µg/m³Unhealthy35–50 µg/m³
Based on WUSTL PM2.5 dataset (2020–2024) · WHO 2021 thresholds
Confidence: ●●●
How air quality compares
Compared across Ghana
Tarkwa: 20.4 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