Air Quality
2.7/5
23.0 µg/m³Sensitive Groups
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: ●●●
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.
RetalhuleuGuatemala
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: ●●●
Who thrives in Retalhuleu
Things to consider in Retalhuleu
PM2.5 annual average of 23.0 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 Retalhuleu?
Why not Retalhuleu? Honestly, air quality could be better — Retalhuleu's 23.0 µg/m³ annual PM2.5 is above WHO guidelines, though still within ranges common for larger cities.
Frequently asked about Retalhuleu
▶How many sunny days does Retalhuleu have per year?
Retalhuleu averages approximately 283 sunny days per year, based on historical climate data.
▶What is the air quality in Retalhuleu?
Retalhuleu has an annual PM2.5 concentration of 23.0 µg/m³, classified as "Moderate" by WHO standards. Above WHO targets. Some respiratory effects possible with prolonged exposure.