Air Quality
3.4/5
15.7 µg/m³Sensitive Groups
Air Quality Profile
Turrialba reports an annual PM2.5 of 15.7 µg/m³. That's meaningfully above the WHO 2021 guideline of 5 µg/m³ yet within the EU annual limit of 25 µg/m³.
Turrialba
Costa Rica
Costa RicaAnnual Average
ModerateWHO annual classification
15.7µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
1313 µg/m³ — Fair
1313 µg/m³ — Fair
1515 µg/m³ — Fair
1616 µg/m³ — Moderate
1717 µg/m³ — Moderate
1616 µg/m³ — Moderate
2020 µg/m³ — Moderate
1919 µg/m³ — Moderate
1616 µg/m³ — Moderate
1414 µg/m³ — Fair
1717 µg/m³ — Moderate
1414 µg/m³ — Fair
Jan
Feb
Mar
Apr
May
Jun
1313 µg/m³ — Fair
1313 µg/m³ — Fair
1515 µg/m³ — Fair
1616 µg/m³ — Moderate
1717 µg/m³ — Moderate
1616 µg/m³ — Moderate
Jul
Aug
Sep
Oct
Nov
Dec
2020 µg/m³ — Moderate
1919 µg/m³ — Moderate
1616 µg/m³ — Moderate
1414 µg/m³ — Fair
1717 µg/m³ — Moderate
1414 µg/m³ — Fair
Best months: Jan–Feb, OctWorst months: May, Jul–Aug
Fair10–15 µg/m³Moderate15–25 µg/m³
Based on WUSTL PM2.5 dataset (2020–2024) · WHO 2021 thresholds
Confidence: ●●●
Air Quality Profile
Turrialba reports an annual PM2.5 of 15.7 µg/m³. That's meaningfully above the WHO 2021 guideline of 5 µg/m³ yet within the EU annual limit of 25 µg/m³.
TurrialbaCosta Rica
Costa RicaAnnual Average
ModerateWHO annual classification
15.7µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
1313 µg/m³ — Fair
1313 µg/m³ — Fair
1515 µg/m³ — Fair
1616 µg/m³ — Moderate
1717 µg/m³ — Moderate
1616 µg/m³ — Moderate
2020 µg/m³ — Moderate
1919 µg/m³ — Moderate
1616 µg/m³ — Moderate
1414 µg/m³ — Fair
1717 µg/m³ — Moderate
1414 µg/m³ — Fair
Jan
Feb
Mar
Apr
May
Jun
1313 µg/m³ — Fair
1313 µg/m³ — Fair
1515 µg/m³ — Fair
1616 µg/m³ — Moderate
1717 µg/m³ — Moderate
1616 µg/m³ — Moderate
Jul
Aug
Sep
Oct
Nov
Dec
2020 µg/m³ — Moderate
1919 µg/m³ — Moderate
1616 µg/m³ — Moderate
1414 µg/m³ — Fair
1717 µg/m³ — Moderate
1414 µg/m³ — Fair
Best months: Jan–Feb, OctWorst months: May, Jul–Aug
Fair10–15 µg/m³Moderate15–25 µg/m³
Based on WUSTL PM2.5 dataset (2020–2024) · WHO 2021 thresholds
Confidence: ●●●
Who thrives in Turrialba
Things to consider in Turrialba
PM2.5 annual average of 15.7 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 Turrialba?
Why not Turrialba? Honestly, air quality could be better — Turrialba's 15.7 µg/m³ annual PM2.5 is above WHO guidelines, though still within ranges common for larger cities.
Frequently asked about Turrialba
▶How many sunny days does Turrialba have per year?
Turrialba averages approximately 183 sunny days per year, based on historical climate data.
▶What is the air quality in Turrialba?
Turrialba has an annual PM2.5 concentration of 15.7 µg/m³, classified as "Moderate" by WHO standards. Above WHO targets. Some respiratory effects possible with prolonged exposure.