Air Quality
2.8/5
21.5 µg/m³Sensitive Groups
Air Quality Profile
Sonsonate reports an annual PM2.5 of 21.5 µg/m³. That's meaningfully above the WHO 2021 guideline of 5 µg/m³ yet within the EU annual limit of 25 µg/m³.
Sonsonate
El Salvador
El SalvadorAnnual Average
ModerateWHO annual classification
21.5µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
1818 µg/m³ — Moderate
2020 µg/m³ — Moderate
2020 µg/m³ — Moderate
2525 µg/m³ — Moderate
3030 µg/m³ — Poor
2121 µg/m³ — Moderate
2222 µg/m³ — Moderate
2121 µg/m³ — Moderate
2323 µg/m³ — Moderate
2424 µg/m³ — Moderate
1818 µg/m³ — Moderate
1818 µg/m³ — Moderate
Jan
Feb
Mar
Apr
May
Jun
1818 µg/m³ — Moderate
2020 µg/m³ — Moderate
2020 µg/m³ — Moderate
2525 µg/m³ — Moderate
3030 µg/m³ — Poor
2121 µg/m³ — Moderate
Jul
Aug
Sep
Oct
Nov
Dec
2222 µg/m³ — Moderate
2121 µg/m³ — Moderate
2323 µg/m³ — Moderate
2424 µg/m³ — Moderate
1818 µg/m³ — Moderate
1818 µg/m³ — Moderate
Best months: Jan, Nov–DecWorst months: Apr–May, Oct
Moderate15–25 µg/m³Poor25–35 µg/m³
Based on WUSTL PM2.5 dataset (2020–2024) · WHO 2021 thresholds
Confidence: ●●●
Air Quality Profile
Sonsonate reports an annual PM2.5 of 21.5 µg/m³. That's meaningfully above the WHO 2021 guideline of 5 µg/m³ yet within the EU annual limit of 25 µg/m³.
SonsonateEl Salvador
El SalvadorAnnual Average
ModerateWHO annual classification
21.5µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
1818 µg/m³ — Moderate
2020 µg/m³ — Moderate
2020 µg/m³ — Moderate
2525 µg/m³ — Moderate
3030 µg/m³ — Poor
2121 µg/m³ — Moderate
2222 µg/m³ — Moderate
2121 µg/m³ — Moderate
2323 µg/m³ — Moderate
2424 µg/m³ — Moderate
1818 µg/m³ — Moderate
1818 µg/m³ — Moderate
Jan
Feb
Mar
Apr
May
Jun
1818 µg/m³ — Moderate
2020 µg/m³ — Moderate
2020 µg/m³ — Moderate
2525 µg/m³ — Moderate
3030 µg/m³ — Poor
2121 µg/m³ — Moderate
Jul
Aug
Sep
Oct
Nov
Dec
2222 µg/m³ — Moderate
2121 µg/m³ — Moderate
2323 µg/m³ — Moderate
2424 µg/m³ — Moderate
1818 µg/m³ — Moderate
1818 µg/m³ — Moderate
Best months: Jan, Nov–DecWorst months: Apr–May, Oct
Moderate15–25 µg/m³Poor25–35 µg/m³
Based on WUSTL PM2.5 dataset (2020–2024) · WHO 2021 thresholds
Confidence: ●●●
Who thrives in Sonsonate
Things to consider in Sonsonate
PM2.5 annual average of 21.5 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 Sonsonate?
Why not Sonsonate? Honestly, air quality could be better — Sonsonate's 21.5 µg/m³ annual PM2.5 is above WHO guidelines, though still within ranges common for larger cities.
Frequently asked about Sonsonate
▶How many sunny days does Sonsonate have per year?
Sonsonate averages approximately 291 sunny days per year, based on historical climate data.
▶What is the air quality in Sonsonate?
Sonsonate has an annual PM2.5 concentration of 21.5 µg/m³, classified as "Moderate" by WHO standards. Above WHO targets. Some respiratory effects possible with prolonged exposure.