Air Quality
3.3/5
16.9 µg/m³Sensitive Groups
Air Quality Profile
Zacatecoluca reports an annual PM2.5 of 16.9 µg/m³. That's meaningfully above the WHO 2021 guideline of 5 µg/m³ yet within the EU annual limit of 25 µg/m³.
Zacatecoluca
El Salvador
El SalvadorAnnual Average
ModerateWHO annual classification
16.9µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
9.59.5 µg/m³ — Good
1515 µg/m³ — Moderate
1212 µg/m³ — Fair
2525 µg/m³ — Moderate
2020 µg/m³ — Moderate
1717 µg/m³ — Moderate
1717 µg/m³ — Moderate
1919 µg/m³ — Moderate
2020 µg/m³ — Moderate
2020 µg/m³ — Moderate
1515 µg/m³ — Moderate
1414 µg/m³ — Fair
Jan
Feb
Mar
Apr
May
Jun
9.59.5 µg/m³ — Good
1515 µg/m³ — Moderate
1212 µg/m³ — Fair
2525 µg/m³ — Moderate
2020 µg/m³ — Moderate
1717 µg/m³ — Moderate
Jul
Aug
Sep
Oct
Nov
Dec
1717 µg/m³ — Moderate
1919 µg/m³ — Moderate
2020 µg/m³ — Moderate
2020 µg/m³ — Moderate
1515 µg/m³ — Moderate
1414 µg/m³ — Fair
Best months: Jan, Mar, DecWorst months: Apr–May, Oct
Good5–10 µg/m³Fair10–15 µg/m³Moderate15–25 µg/m³
Based on WUSTL PM2.5 dataset (2020–2024) · WHO 2021 thresholds
Confidence: ●●●
Air Quality Profile
Zacatecoluca reports an annual PM2.5 of 16.9 µg/m³. That's meaningfully above the WHO 2021 guideline of 5 µg/m³ yet within the EU annual limit of 25 µg/m³.
ZacatecolucaEl Salvador
El SalvadorAnnual Average
ModerateWHO annual classification
16.9µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
9.59.5 µg/m³ — Good
1515 µg/m³ — Moderate
1212 µg/m³ — Fair
2525 µg/m³ — Moderate
2020 µg/m³ — Moderate
1717 µg/m³ — Moderate
1717 µg/m³ — Moderate
1919 µg/m³ — Moderate
2020 µg/m³ — Moderate
2020 µg/m³ — Moderate
1515 µg/m³ — Moderate
1414 µg/m³ — Fair
Jan
Feb
Mar
Apr
May
Jun
9.59.5 µg/m³ — Good
1515 µg/m³ — Moderate
1212 µg/m³ — Fair
2525 µg/m³ — Moderate
2020 µg/m³ — Moderate
1717 µg/m³ — Moderate
Jul
Aug
Sep
Oct
Nov
Dec
1717 µg/m³ — Moderate
1919 µg/m³ — Moderate
2020 µg/m³ — Moderate
2020 µg/m³ — Moderate
1515 µg/m³ — Moderate
1414 µg/m³ — Fair
Best months: Jan, Mar, DecWorst months: Apr–May, Oct
Good5–10 µg/m³Fair10–15 µg/m³Moderate15–25 µg/m³
Based on WUSTL PM2.5 dataset (2020–2024) · WHO 2021 thresholds
Confidence: ●●●
Who thrives in Zacatecoluca
Things to consider in Zacatecoluca
PM2.5 annual average of 16.9 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 Zacatecoluca?
Why not Zacatecoluca? Honestly, air quality could be better — Zacatecoluca's 16.9 µg/m³ annual PM2.5 is above WHO guidelines, though still within ranges common for larger cities.
Frequently asked about Zacatecoluca
▶How many sunny days does Zacatecoluca have per year?
Zacatecoluca averages approximately 301 sunny days per year, based on historical climate data.
▶What is the air quality in Zacatecoluca?
Zacatecoluca has an annual PM2.5 concentration of 16.9 µg/m³, classified as "Moderate" by WHO standards. Above WHO targets. Some respiratory effects possible with prolonged exposure.