Air Quality Lab — Retalhuleu, Guatemala
Air Quality Profile·
Retalhuleu reports an annual PM2.5 of 23.0 µg/m³. That's meaningfully above the WHO 2021 guideline of 5 µg/m³ yet within the EU annual limit of 25 µg/m³.
Retalhuleu
Guatemala
GuatemalaAnnual Average
ModerateWHO annual classification
23.0µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
2222 µg/m³ — Moderate
2222 µg/m³ — Moderate
2424 µg/m³ — Moderate
3131 µg/m³ — Poor
3535 µg/m³ — Poor
2222 µg/m³ — Moderate
2121 µg/m³ — Moderate
2121 µg/m³ — Moderate
1818 µg/m³ — Moderate
2121 µg/m³ — Moderate
1919 µg/m³ — Moderate
2222 µg/m³ — Moderate
Jan
Feb
Mar
Apr
May
Jun
2222 µg/m³ — Moderate
2222 µg/m³ — Moderate
2424 µg/m³ — Moderate
3131 µg/m³ — Poor
3535 µg/m³ — Poor
2222 µg/m³ — Moderate
Jul
Aug
Sep
Oct
Nov
Dec
2121 µg/m³ — Moderate
2121 µg/m³ — Moderate
1818 µg/m³ — Moderate
2121 µg/m³ — Moderate
1919 µg/m³ — Moderate
2222 µg/m³ — Moderate
Best months: Jul, Sep, NovWorst months: Mar–May
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 Guatemala
Retalhuleu: 23.0 µg/m³. Typical range in Guatemala: 19.9–23.9 µg/m³. Low anchor: Lívingston, 14.2 µg/m³. High anchor: Guatemala City, 29.0 µg/m³.
87 cities tracked