Air Quality in Port Saint Lucie, United States
Cloudy
25.8°C · 80.0% humidity
25.8°
Feels 25.8°
21
Good
Air quality is satisfactory. Enjoy outdoor activities.
2 stations
Nearby Monitoring Stations
Port Saint Lucie's air quality — share it
AQI Forecast
Calibrated
16
3pm
16
17
21
6pm
17
17
17
9pm
19
19
19
12am
19
19
19
3am
19
26
26
6am
26
26
17
9am
16
16
16
12pm
16
16
Station readings
15
16
16
14
25
CAMS model
adj -8
24
24
25
25
25
25
25
27
27
27
27
27
27
27
34
34
34
34
25
24
24
24
24
24
Air Quality Index Trend
27h · 1 stnPort Saint Lucie's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.
80.0%
Humidity
30.6 km/h
Wind NE
1014.0 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
4.95 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Port Saint Lucie?
Temperature & Precipitation
PM2.5 Trend
27h · 1 stationPM2.54.95 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
Station readings (2 stations within 25 km)
4.95
Median
4.95
Average
3.4
Low
6.5
High
PM2.5 µg/m³ · Model: 6.25 · Bias: +1.3
What is the 7-day forecast for Port Saint Lucie?
09-23
28.3° 23.2°
70.87 mm
09-24
25.9° 24.0°
7.69 mm
09-25
31.3° 24.9°
0.38 mm
09-26
29.5° 24.0°
5.25 mm
09-27
30.3° 23.8°
4.06 mm
09-28
31.1° 24.2°
25.62 mm
09-29
28.6° 21.5°
2.06 mm
Both models agree
Avg diff: 2.0°C
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-09-23T22:53 UTC.