Air Quality
3.1/5
18.6 µg/m³Sensitive Groups
Air Quality Profile
Libreville reports an annual PM2.5 of 18.6 µg/m³. That's meaningfully above the WHO 2021 guideline of 5 µg/m³ yet within the EU annual limit of 25 µg/m³.
Libreville
Gabon
GabonAnnual Average
ModerateWHO annual classification
18.6µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
2626 µg/m³ — Poor
3131 µg/m³ — Poor
1818 µg/m³ — Moderate
1313 µg/m³ — Fair
1818 µg/m³ — Moderate
2020 µg/m³ — Moderate
2424 µg/m³ — Moderate
1616 µg/m³ — Moderate
1515 µg/m³ — Fair
9.59.5 µg/m³ — Good
1111 µg/m³ — Fair
2222 µg/m³ — Moderate
Jan
Feb
Mar
Apr
May
Jun
2626 µg/m³ — Poor
3131 µg/m³ — Poor
1818 µg/m³ — Moderate
1313 µg/m³ — Fair
1818 µg/m³ — Moderate
2020 µg/m³ — Moderate
Jul
Aug
Sep
Oct
Nov
Dec
2424 µg/m³ — Moderate
1616 µg/m³ — Moderate
1515 µg/m³ — Fair
9.59.5 µg/m³ — Good
1111 µg/m³ — Fair
2222 µg/m³ — Moderate
Best months: Apr, Oct–NovWorst months: Jan–Feb, Jul
Good5–10 µg/m³Fair10–15 µg/m³Moderate15–25 µg/m³Poor25–35 µg/m³
Based on WUSTL PM2.5 dataset (2020–2024) · WHO 2021 thresholds
Confidence: ●●●
Air Quality Profile
Libreville reports an annual PM2.5 of 18.6 µg/m³. That's meaningfully above the WHO 2021 guideline of 5 µg/m³ yet within the EU annual limit of 25 µg/m³.
LibrevilleGabon
GabonAnnual Average
ModerateWHO annual classification
18.6µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
2626 µg/m³ — Poor
3131 µg/m³ — Poor
1818 µg/m³ — Moderate
1313 µg/m³ — Fair
1818 µg/m³ — Moderate
2020 µg/m³ — Moderate
2424 µg/m³ — Moderate
1616 µg/m³ — Moderate
1515 µg/m³ — Fair
9.59.5 µg/m³ — Good
1111 µg/m³ — Fair
2222 µg/m³ — Moderate
Jan
Feb
Mar
Apr
May
Jun
2626 µg/m³ — Poor
3131 µg/m³ — Poor
1818 µg/m³ — Moderate
1313 µg/m³ — Fair
1818 µg/m³ — Moderate
2020 µg/m³ — Moderate
Jul
Aug
Sep
Oct
Nov
Dec
2424 µg/m³ — Moderate
1616 µg/m³ — Moderate
1515 µg/m³ — Fair
9.59.5 µg/m³ — Good
1111 µg/m³ — Fair
2222 µg/m³ — Moderate
Best months: Apr, Oct–NovWorst months: Jan–Feb, Jul
Good5–10 µg/m³Fair10–15 µg/m³Moderate15–25 µg/m³Poor25–35 µg/m³
Based on WUSTL PM2.5 dataset (2020–2024) · WHO 2021 thresholds
Confidence: ●●●
Who thrives in Libreville
Things to consider in Libreville
PM2.5 annual average of 18.6 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 Libreville?
Why not Libreville? Honestly, air quality could be better — Libreville's 18.6 µg/m³ annual PM2.5 is above WHO guidelines, though still within ranges common for larger cities.
Frequently asked about Libreville
▶How many sunny days does Libreville have per year?
Libreville averages approximately 134 sunny days per year, based on historical climate data.
▶What is the air quality in Libreville?
Libreville has an annual PM2.5 concentration of 18.6 µg/m³, classified as "Moderate" by WHO standards. Above WHO targets. Some respiratory effects possible with prolonged exposure.