Hourly Weather | Today Saturday, August 29, 2026
Port St. Lucie, Florida
7 AM
Partly Sunny with Showers
77°
Feels Like 88°
54
Humidity: 96%
UV Index: 0
Wind: 4 mph
8 AM
Cloudy Weather
79°
Feels Like 91°
25
Humidity: 94%
UV Index: 1
Wind: 5 mph
9 AM
Cloudy Weather
81°
Feels Like 95°
20
Humidity: 90%
UV Index: 2
Wind: 5 mph
10 AM
Cloudy Weather
84°
Feels Like 99°
20
Humidity: 81%
UV Index: 3
Wind: 6 mph
11 AM
Cloudy Weather
88°
Feels Like 102°
20
Humidity: 75%
UV Index: 4
Wind: 7 mph
12 PM
Cloudy Weather
88°
Feels Like 104°
20
Humidity: 72%
UV Index: 6
Wind: 8 mph
1 PM
Cloudy Weather
90°
Feels Like 104°
20
Humidity: 69%
UV Index: 7
Wind: 9 mph
2 PM
Cloudy Weather
90°
Feels Like 104°
20
Humidity: 66%
UV Index: 7
Wind: 9 mph
3 PM
Cloudy Weather
90°
Feels Like 100°
20
Humidity: 68%
UV Index: 5
Wind: 10 mph
4 PM
Cloudy Weather
88°
Feels Like 99°
25
Humidity: 71%
UV Index: 3
Wind: 10 mph
5 PM
Cloudy Weather
86°
Feels Like 97°
43
Humidity: 73%
UV Index: 2
Wind: 10 mph
6 PM
Cloudy Weather
86°
Feels Like 95°
47
Humidity: 74%
UV Index: 1
Wind: 9 mph
7 PM
Stormy Weather
82°
Feels Like 88°
51
Humidity: 81%
UV Index: 0
Wind: 8 mph
8 PM
Cloudy Night
82°
Feels Like 90°
43
Humidity: 82%
UV Index: 0
Wind: 7 mph
9 PM
Stormy Weather
81°
Feels Like 86°
51
Humidity: 87%
UV Index: 0
Wind: 7 mph
10 PM
Cloudy Night
79°
Feels Like 88°
47
Humidity: 89%
UV Index: 0
Wind: 6 mph
11 PM
Cloudy Night
81°
Feels Like 90°
34
Humidity: 88%
UV Index: 0
Wind: 6 mph

Hourly Air Quality Forecast - AQI (US EPA)

7 AM
21 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 5.01 µg/m³
  • PM10: 7.64 µg/m³
  • O3: 0.009 ppm
  • NO2: 2.3 ppb
  • SO2: 0.1 ppb
  • CO: 0.13 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

8 AM
20 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 4.91 µg/m³
  • PM10: 7.52 µg/m³
  • O3: 0.008 ppm
  • NO2: 2.1 ppb
  • SO2: 0.1 ppb
  • CO: 0.13 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

9 AM
20 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 4.83 µg/m³
  • PM10: 7.53 µg/m³
  • O3: 0.009 ppm
  • NO2: 1.5 ppb
  • SO2: 0.1 ppb
  • CO: 0.13 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

10 AM
20 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 4.83 µg/m³
  • PM10: 7.71 µg/m³
  • O3: 0.011 ppm
  • NO2: 1.7 ppb
  • SO2: 0.2 ppb
  • CO: 0.13 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

11 AM
22 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 5.17 µg/m³
  • PM10: 8.1 µg/m³
  • O3: 0.016 ppm
  • NO2: 2 ppb
  • SO2: 0.2 ppb
  • CO: 0.13 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

12 PM
28 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.64 µg/m³
  • PM10: 6.96 µg/m³
  • O3: 0.030 ppm
  • NO2: 1.4 ppb
  • SO2: 0.4 ppb
  • CO: 0.11 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

1 PM
30 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 5.49 µg/m³
  • PM10: 7.28 µg/m³
  • O3: 0.032 ppm
  • NO2: 1 ppb
  • SO2: 0.3 ppb
  • CO: 0.11 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

2 PM
31 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 6.03 µg/m³
  • PM10: 7.35 µg/m³
  • O3: 0.033 ppm
  • NO2: 0.7 ppb
  • SO2: 0.2 ppb
  • CO: 0.11 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

3 PM
30 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 5.93 µg/m³
  • PM10: 6.88 µg/m³
  • O3: 0.032 ppm
  • NO2: 0.6 ppb
  • SO2: 0.2 ppb
  • CO: 0.11 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

4 PM
28 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 5.25 µg/m³
  • PM10: 5.93 µg/m³
  • O3: 0.030 ppm
  • NO2: 0.8 ppb
  • SO2: 0.2 ppb
  • CO: 0.11 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

5 PM
25 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.37 µg/m³
  • PM10: 4.85 µg/m³
  • O3: 0.027 ppm
  • NO2: 1.2 ppb
  • SO2: 0.2 ppb
  • CO: 0.11 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

6 PM
21 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.57 µg/m³
  • PM10: 3.95 µg/m³
  • O3: 0.023 ppm
  • NO2: 1.8 ppb
  • SO2: 0.2 ppb
  • CO: 0.11 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

7 PM
18 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.09 µg/m³
  • PM10: 3.44 µg/m³
  • O3: 0.019 ppm
  • NO2: 2.3 ppb
  • SO2: 0.2 ppb
  • CO: 0.11 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

8 PM
15 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.92 µg/m³
  • PM10: 3.25 µg/m³
  • O3: 0.017 ppm
  • NO2: 2.7 ppb
  • SO2: 0.1 ppb
  • CO: 0.11 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

9 PM
13 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.74 µg/m³
  • PM10: 3.12 µg/m³
  • O3: 0.015 ppm
  • NO2: 2.9 ppb
  • SO2: 0.1 ppb
  • CO: 0.11 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

10 PM
12 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.54 µg/m³
  • PM10: 3.03 µg/m³
  • O3: 0.013 ppm
  • NO2: 3.3 ppb
  • SO2: 0.1 ppb
  • CO: 0.11 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

11 PM
12 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.4 µg/m³
  • PM10: 3.12 µg/m³
  • O3: 0.013 ppm
  • NO2: 3.6 ppb
  • SO2: 0.2 ppb
  • CO: 0.12 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.