Air Quality
3.3/5
16.6 µg/m³Sensitive Groups
Air Quality Profile
El Viejo reports an annual PM2.5 of 16.6 µg/m³. That's meaningfully above the WHO 2021 guideline of 5 µg/m³ yet within the EU annual limit of 25 µg/m³.
El Viejo
Nicaragua
NicaraguaAnnual Average
ModerateWHO annual classification
16.6µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
1313 µg/m³ — Fair
1515 µg/m³ — Moderate
1212 µg/m³ — Fair
2020 µg/m³ — Moderate
2222 µg/m³ — Moderate
1717 µg/m³ — Moderate
1818 µg/m³ — Moderate
1818 µg/m³ — Moderate
2020 µg/m³ — Moderate
1818 µg/m³ — Moderate
1414 µg/m³ — Fair
1212 µg/m³ — Fair
Jan
Feb
Mar
Apr
May
Jun
1313 µg/m³ — Fair
1515 µg/m³ — Moderate
1212 µg/m³ — Fair
2020 µg/m³ — Moderate
2222 µg/m³ — Moderate
1717 µg/m³ — Moderate
Jul
Aug
Sep
Oct
Nov
Dec
1818 µg/m³ — Moderate
1818 µg/m³ — Moderate
2020 µg/m³ — Moderate
1818 µg/m³ — Moderate
1414 µg/m³ — Fair
1212 µg/m³ — Fair
Best months: Jan, Mar, DecWorst months: Apr–May, Sep
Fair10–15 µg/m³Moderate15–25 µg/m³
Based on WUSTL PM2.5 dataset (2020–2024) · WHO 2021 thresholds
Confidence: ●●●
Air Quality Profile
El Viejo reports an annual PM2.5 of 16.6 µg/m³. That's meaningfully above the WHO 2021 guideline of 5 µg/m³ yet within the EU annual limit of 25 µg/m³.
El ViejoNicaragua
NicaraguaAnnual Average
ModerateWHO annual classification
16.6µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
1313 µg/m³ — Fair
1515 µg/m³ — Moderate
1212 µg/m³ — Fair
2020 µg/m³ — Moderate
2222 µg/m³ — Moderate
1717 µg/m³ — Moderate
1818 µg/m³ — Moderate
1818 µg/m³ — Moderate
2020 µg/m³ — Moderate
1818 µg/m³ — Moderate
1414 µg/m³ — Fair
1212 µg/m³ — Fair
Jan
Feb
Mar
Apr
May
Jun
1313 µg/m³ — Fair
1515 µg/m³ — Moderate
1212 µg/m³ — Fair
2020 µg/m³ — Moderate
2222 µg/m³ — Moderate
1717 µg/m³ — Moderate
Jul
Aug
Sep
Oct
Nov
Dec
1818 µg/m³ — Moderate
1818 µg/m³ — Moderate
2020 µg/m³ — Moderate
1818 µg/m³ — Moderate
1414 µg/m³ — Fair
1212 µg/m³ — Fair
Best months: Jan, Mar, DecWorst months: Apr–May, Sep
Fair10–15 µg/m³Moderate15–25 µg/m³
Based on WUSTL PM2.5 dataset (2020–2024) · WHO 2021 thresholds
Confidence: ●●●
Who thrives in El Viejo
Things to consider in El Viejo
PM2.5 annual average of 16.6 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 El Viejo?
Why not El Viejo? Honestly, air quality could be better — El Viejo's 16.6 µg/m³ annual PM2.5 is above WHO guidelines, though still within ranges common for larger cities.
Frequently asked about El Viejo
▶How many sunny days does El Viejo have per year?
El Viejo averages approximately 305 sunny days per year, based on historical climate data.
▶What is the air quality in El Viejo?
El Viejo has an annual PM2.5 concentration of 16.6 µg/m³, classified as "Moderate" by WHO standards. Above WHO targets. Some respiratory effects possible with prolonged exposure.