Air Quality
3.5/5
15.3 µg/m³Sensitive Groups
Air Quality Profile
Santa Marta reports an annual PM2.5 of 15.3 µg/m³. That's meaningfully above the WHO 2021 guideline of 5 µg/m³ yet within the EU annual limit of 25 µg/m³.
Santa Marta
Colombia
ColombiaAnnual Average
ModerateWHO annual classification
15.3µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
1313 µg/m³ — Fair
1414 µg/m³ — Fair
1717 µg/m³ — Moderate
1515 µg/m³ — Moderate
1717 µg/m³ — Moderate
1717 µg/m³ — Moderate
1818 µg/m³ — Moderate
1717 µg/m³ — Moderate
1515 µg/m³ — Fair
1616 µg/m³ — Moderate
1212 µg/m³ — Fair
1313 µg/m³ — Fair
Jan
Feb
Mar
Apr
May
Jun
1313 µg/m³ — Fair
1414 µg/m³ — Fair
1717 µg/m³ — Moderate
1515 µg/m³ — Moderate
1717 µg/m³ — Moderate
1717 µg/m³ — Moderate
Jul
Aug
Sep
Oct
Nov
Dec
1818 µg/m³ — Moderate
1717 µg/m³ — Moderate
1515 µg/m³ — Fair
1616 µg/m³ — Moderate
1212 µg/m³ — Fair
1313 µg/m³ — Fair
Best months: Jan, Nov–DecWorst months: May–Jul
Fair10–15 µg/m³Moderate15–25 µg/m³
Based on WUSTL PM2.5 dataset (2020–2024) · WHO 2021 thresholds
Confidence: ●●●
Air Quality Profile
Santa Marta reports an annual PM2.5 of 15.3 µg/m³. That's meaningfully above the WHO 2021 guideline of 5 µg/m³ yet within the EU annual limit of 25 µg/m³.
Santa MartaColombia
ColombiaAnnual Average
ModerateWHO annual classification
15.3µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
1313 µg/m³ — Fair
1414 µg/m³ — Fair
1717 µg/m³ — Moderate
1515 µg/m³ — Moderate
1717 µg/m³ — Moderate
1717 µg/m³ — Moderate
1818 µg/m³ — Moderate
1717 µg/m³ — Moderate
1515 µg/m³ — Fair
1616 µg/m³ — Moderate
1212 µg/m³ — Fair
1313 µg/m³ — Fair
Jan
Feb
Mar
Apr
May
Jun
1313 µg/m³ — Fair
1414 µg/m³ — Fair
1717 µg/m³ — Moderate
1515 µg/m³ — Moderate
1717 µg/m³ — Moderate
1717 µg/m³ — Moderate
Jul
Aug
Sep
Oct
Nov
Dec
1818 µg/m³ — Moderate
1717 µg/m³ — Moderate
1515 µg/m³ — Fair
1616 µg/m³ — Moderate
1212 µg/m³ — Fair
1313 µg/m³ — Fair
Best months: Jan, Nov–DecWorst months: May–Jul
Fair10–15 µg/m³Moderate15–25 µg/m³
Based on WUSTL PM2.5 dataset (2020–2024) · WHO 2021 thresholds
Confidence: ●●●
Who thrives in Santa Marta
Things to consider in Santa Marta
PM2.5 annual average of 15.3 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 Santa Marta?
Why not Santa Marta? Honestly, air quality could be better — Santa Marta's 15.3 µg/m³ annual PM2.5 is above WHO guidelines, though still within ranges common for larger cities.
Frequently asked about Santa Marta
▶How many sunny days does Santa Marta have per year?
Santa Marta averages approximately 279 sunny days per year, based on historical climate data.
▶What is the air quality in Santa Marta?
Santa Marta has an annual PM2.5 concentration of 15.3 µg/m³, classified as "Moderate" by WHO standards. Above WHO targets. Some respiratory effects possible with prolonged exposure.