What is the air quality in Port St. Lucie FL?

Port St. Lucie FL, United States of America has an annual US AQI of 43 (Reasonable) and average PM2.5 of 7.8 µg/m³, ranking #368 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Port St. Lucie FL?

September is typically the cleanest month (AQI 36) and March the most polluted (AQI 47).

Where does Port St. Lucie FL'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 St. Lucie FL, United States of America — Air Quality & Clean City Guide 2026

Port St. Lucie FL Air Quality Data

Global rank	City	Continent	AQI	PM2.5
368	Port St. Lucie FL, United States of America	North America	AQI 43	PM2.5 7.8 µg/m³