Air Quality Lab — Aley, Lebanon
Air Quality Profile·
Aley reports an annual PM2.5 of 23.1 µg/m³. That's meaningfully above the WHO 2021 guideline of 5 µg/m³ yet within the EU annual limit of 25 µg/m³.
Aley
Lebanon
LebanonAnnual Average
ModerateWHO annual classification
23.1µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
3030 µg/m³ — Poor
2828 µg/m³ — Poor
2626 µg/m³ — Poor
2323 µg/m³ — Moderate
2020 µg/m³ — Moderate
2121 µg/m³ — Moderate
1919 µg/m³ — Moderate
2121 µg/m³ — Moderate
1919 µg/m³ — Moderate
2020 µg/m³ — Moderate
2323 µg/m³ — Moderate
2828 µg/m³ — Poor
Jan
Feb
Mar
Apr
May
Jun
3030 µg/m³ — Poor
2828 µg/m³ — Poor
2626 µg/m³ — Poor
2323 µg/m³ — Moderate
2020 µg/m³ — Moderate
2121 µg/m³ — Moderate
Jul
Aug
Sep
Oct
Nov
Dec
1919 µg/m³ — Moderate
2121 µg/m³ — Moderate
1919 µg/m³ — Moderate
2020 µg/m³ — Moderate
2323 µg/m³ — Moderate
2828 µg/m³ — Poor
Best months: Jul, Sep–OctWorst months: Jan–Feb, Dec
Moderate15–25 µg/m³Poor25–35 µg/m³
Based on WUSTL PM2.5 dataset (2020–2024) · WHO 2021 thresholds
Confidence: ●●●
How air quality compares
Compared across Lebanon
Aley: 23.1 µg/m³. Typical range in Lebanon: 21.7–28.4 µg/m³. Low anchor: En Nâqoûra, 16.5 µg/m³. High anchor: Beirut, 33.4 µg/m³.
11 cities tracked