What is the air quality in Port of Spain?

Port of Spain, Trinidad and Tobago has an annual US AQI of 46 (Reasonable) and average PM2.5 of 8.7 µg/m³, ranking #506 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Port of Spain?

January is typically the cleanest month (AQI 39) and June the most polluted (AQI 54).

Where does Port of Spain's air quality data come from?

PM2.5: 1998–2024 (satellite). From satellite data, because no government monitor covers the city. Full sources are on the methodology page.

Port of Spain, Trinidad and Tobago — Air Quality & Clean City Guide 2026

Port of Spain Air Quality Data

Global rank	City	Continent	AQI	PM2.5
506	Port of Spain, Trinidad and Tobago	North America	AQI 46	PM2.5 8.7 µg/m³