Air Quality
1.9/5
30.6 µg/m³Unhealthy
Air Quality Profile
Koforidua reports an annual PM2.5 of 30.6 µg/m³. That's above the EU annual limit of 25 µg/m³ — long-term exposure here carries documented health trade-offs.
Koforidua
Ghana
GhanaAnnual Average
PoorWHO annual classification
30.6µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
5050 µg/m³ — Unhealthy
6767 µg/m³ — Very Unhealthy
3131 µg/m³ — Poor
2727 µg/m³ — Poor
1818 µg/m³ — Moderate
1717 µg/m³ — Moderate
2525 µg/m³ — Poor
2424 µg/m³ — Moderate
1818 µg/m³ — Moderate
2020 µg/m³ — Moderate
2323 µg/m³ — Moderate
4747 µg/m³ — Unhealthy
Jan
Feb
Mar
Apr
May
Jun
5050 µg/m³ — Unhealthy
6767 µg/m³ — Very Unhealthy
3131 µg/m³ — Poor
2727 µg/m³ — Poor
1818 µg/m³ — Moderate
1717 µg/m³ — Moderate
Jul
Aug
Sep
Oct
Nov
Dec
2525 µg/m³ — Poor
2424 µg/m³ — Moderate
1818 µg/m³ — Moderate
2020 µg/m³ — Moderate
2323 µg/m³ — Moderate
4747 µg/m³ — Unhealthy
Best months: May–Jun, SepWorst 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: ●●●
Air Quality Profile
Koforidua reports an annual PM2.5 of 30.6 µg/m³. That's above the EU annual limit of 25 µg/m³ — long-term exposure here carries documented health trade-offs.
KoforiduaGhana
GhanaAnnual Average
PoorWHO annual classification
30.6µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
5050 µg/m³ — Unhealthy
6767 µg/m³ — Very Unhealthy
3131 µg/m³ — Poor
2727 µg/m³ — Poor
1818 µg/m³ — Moderate
1717 µg/m³ — Moderate
2525 µg/m³ — Poor
2424 µg/m³ — Moderate
1818 µg/m³ — Moderate
2020 µg/m³ — Moderate
2323 µg/m³ — Moderate
4747 µg/m³ — Unhealthy
Jan
Feb
Mar
Apr
May
Jun
5050 µg/m³ — Unhealthy
6767 µg/m³ — Very Unhealthy
3131 µg/m³ — Poor
2727 µg/m³ — Poor
1818 µg/m³ — Moderate
1717 µg/m³ — Moderate
Jul
Aug
Sep
Oct
Nov
Dec
2525 µg/m³ — Poor
2424 µg/m³ — Moderate
1818 µg/m³ — Moderate
2020 µg/m³ — Moderate
2323 µg/m³ — Moderate
4747 µg/m³ — Unhealthy
Best months: May–Jun, SepWorst 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: ●●●
Who thrives in Koforidua
Things to consider in Koforidua
PM2.5 annual average of 30.6 µg/m³ exceeds the WHO interim target of 15 µg/m³. The WHO guideline value is 5 µg/m³.
Data sources: WHO (air quality), OECD (safety).
Why not Koforidua?
Why not Koforidua? Honestly, air quality is a meaningful downside — at 30.6 µg/m³ annual PM2.5, Koforidua sits above the EU limit, which may matter for allergy sufferers or long-term residents.
Frequently asked about Koforidua
▶How many sunny days does Koforidua have per year?
Koforidua averages approximately 229 sunny days per year, based on historical climate data.
▶What is the air quality in Koforidua?
Koforidua has an annual PM2.5 concentration of 30.6 µg/m³, classified as "Poor" by WHO standards. Significantly above WHO targets. Increased health risk, especially outdoors.