Worst air pollution Port St. Lucie, today and tomorrow
Today (16 July): Air quality in Port St. Lucie is poor. AQI and PM10 are poor; O3 is fair; PM2.5 is medium; NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 6:00 AM (PM10: 76.1/100).
Tomorrow (17 July 2026): Air quality in Port St. Lucie is poor. All pollutants stay as today. Pollution peaks around 12:00 AM (PM10: 66.1/100). Airmine updates local air quality forecasts four times daily.
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Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team
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Port St. Lucie's air quality benefits from Florida's consistent Atlantic sea breezes providing reliable maritime ventilation along this Treasure Coast city, with generally good readings for a Florida metropolitan area. The primary concerns are summer ozone from vehicle emissions and intense subtropical heat, seasonal agricultural burning from the surrounding St. Lucie and Indian River County farmland, and occasional wildfire smoke events.
Today - 16 July | Pollution peaks at 06:00
AQI:
Poor
76.1/100
PM2.5 (fine particles):
Medium
54.3/100
PM10 (coarse particles):
Poor
76.1/100
NO2 (nitrogen dioxide):
Good
0.5/100
O3 (ozone):
Fair
31.5/100
SO2 (sulfur dioxide):
Good
1.7/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
0.9/100
PM1 (ultrafine particles):
Good
11.5/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 00:00
AQI:
Poor
66.1/100
PM2.5 (fine particles):
Medium
51.0/100
PM10 (coarse particles):
Poor
66.1/100
NO2 (nitrogen dioxide):
Good
0.5/100
O3 (ozone):
Fair
26.7/100
SO2 (sulfur dioxide):
Good
2.2/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
0.9/100
PM1 (ultrafine particles):
Good
10.4/100
Pollen forecast in Port St. Lucie
View pollen forecastAir quality forecasts for neighbourhoods and landmarks in Port St. Lucie
Frequently Asked Questions
Is air quality bad in Port St. Lucie right now?
On 16 July 2026, overall air quality in Port St. Lucie is poor. AQI is the main air quality indicator at 76.1/100. Pollution peaks around 6:00 AM (PM10: 76.1/100).
Will air quality be worse tomorrow in Port St. Lucie?
On 17 July 2026, air quality conditions in Port St. Lucie will be similar to today, with AQI forecast at poor at 66.1/100. Pollution peaks around 12:00 AM (PM10: 66.1/100).
When is air pollution at its worst in Port St. Lucie?
Seasonal changes shape air quality across Port St. Lucie. In short, the wet season's frequent storms generally keep particulate levels lower than in the dry months, whereas dry-season wildfire and prescribed-burn smoke, mainly from late autumn through spring, is the main seasonal concern. Inland areas tend to see more smoke buildup than locations closer to the coast.
Are air quality levels in Port St. Lucie based on measurements or forecasts?
It is forecasts derived by downscaling forecasts provided by EU’s Copernicus Atmosphere Monitoring Service (CAMS) by taking into account local conditions such as traffic patterns. CAMS bases its forecast on satellite measurements of particles and chemical compounds in the atmosphere. Airmine’s services were developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team.
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Data provided by Airmine — Last update: 16 July 2026 at 10:33 CEST (Data is updated four times daily.)
This forecast is produced independently using Airmine's own atmospheric data and models.
Unless explicitly made clear, the content on this site has not been paid for by external organisations and is Airmine's sole responsibility.
For long term forecasts and maps, see the Airmine app