What is the air quality in Santa Marta?

Santa Marta, Colombia has an annual US AQI of 52 (Reasonable) and average PM2.5 of 10.5 µg/m³, ranking #942 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Santa Marta?

November is typically the cleanest month (AQI 43) and March the most polluted (AQI 57).

Where does Santa Marta's air quality data come from?

PM2.5: 1998–2025 (monitors 2020–2025, satellite 1998–2020, 2023, model 2025). Measured by government monitoring stations. Full sources are on the methodology page.

Santa Marta, Colombia — Air Quality & Clean City Guide 2026

Santa Marta Air Quality Data

Global rank	City	Continent	AQI	PM2.5
942	Santa Marta, Colombia	South America	AQI 52	PM2.5 10.5 µg/m³