What is the air quality in Cartagena?

Cartagena, Colombia has an annual US AQI of 74 (Polluted) and average PM2.5 of 21.8 µg/m³, ranking #3512 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Cartagena?

October is typically the cleanest month (AQI 60) and April the most polluted (AQI 86).

Where does Cartagena's air quality data come from?

PM2.5: 1998–2025 (monitors 2023–2024, satellite 1998–2024, model 2025). Measured by government monitoring stations. Full sources are on the methodology page.

Cartagena, Colombia — Air Quality & Clean City Guide 2026

Cartagena Air Quality Data

Global rank	City	Continent	AQI	PM2.5
3512	Cartagena, Colombia	South America	AQI 74	PM2.5 21.8 µg/m³