Hourly Weather | Today Wednesday, October 22, 2025
Port St. Lucie, Florida
7 AM
Cloudy Night
70°
Feels Like 72°
0
Humidity: 94%
Wind: 4 mph
UV Index: 0
8 AM
Cloudy Weather
72°
Feels Like 75°
7
Humidity: 95%
Wind: 4 mph
UV Index: 6
9 AM
Cloudy Weather
73°
Feels Like 82°
7
Humidity: 88%
Wind: 5 mph
UV Index: 16
10 AM
Cloudy Weather
79°
Feels Like 90°
7
Humidity: 76%
Wind: 5 mph
UV Index: 26
11 AM
Cloudy Weather
82°
Feels Like 93°
7
Humidity: 69%
Wind: 5 mph
UV Index: 39
12 PM
Cloudy Weather
84°
Feels Like 97°
7
Humidity: 65%
Wind: 6 mph
UV Index: 47
1 PM
Cloudy Weather
86°
Feels Like 97°
7
Humidity: 61%
Wind: 6 mph
UV Index: 44
2 PM
Cloudy Weather
88°
Feels Like 97°
7
Humidity: 56%
Wind: 7 mph
UV Index: 47
3 PM
Cloudy Weather
86°
Feels Like 93°
7
Humidity: 60%
Wind: 7 mph
UV Index: 33
4 PM
Cloudy Weather
84°
Feels Like 91°
7
Humidity: 63%
Wind: 8 mph
UV Index: 26
5 PM
Cloudy Weather
82°
Feels Like 90°
7
Humidity: 67%
Wind: 8 mph
UV Index: 16
6 PM
Cloudy Weather
82°
Feels Like 86°
7
Humidity: 69%
Wind: 7 mph
UV Index: 6
7 PM
Cloudy Night
81°
Feels Like 82°
6
Humidity: 73%
Wind: 7 mph
UV Index: 0
8 PM
Cloudy Night
79°
Feels Like 82°
5
Humidity: 76%
Wind: 6 mph
UV Index: 0
9 PM
Cloudy Night
75°
Feels Like 79°
5
Humidity: 83%
Wind: 6 mph
UV Index: 0
10 PM
Cloudy Night
75°
Feels Like 79°
4
Humidity: 85%
Wind: 6 mph
UV Index: 0
11 PM
Cloudy Night
75°
Feels Like 79°
4
Humidity: 81%
Wind: 6 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 8.56 µg/m³
  • PM10: 10.75 µg/m³
  • O3: 0.013 ppm
  • NO2: 3.8 ppb
  • SO2: 0.1 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 8.79 µg/m³
  • PM10: 11.15 µg/m³
  • O3: 0.012 ppm
  • NO2: 4 ppb
  • SO2: 0.1 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.29 µg/m³
  • PM10: 9.1 µg/m³
  • O3: 0.011 ppm
  • NO2: 4.5 ppb
  • SO2: 0.1 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.94 µg/m³
  • PM10: 9.41 µg/m³
  • O3: 0.013 ppm
  • NO2: 4 ppb
  • SO2: 0.1 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.52 µg/m³
  • PM10: 10.65 µg/m³
  • O3: 0.018 ppm
  • NO2: 3.6 ppb
  • SO2: 0.2 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.52 µg/m³
  • PM10: 12.83 µg/m³
  • O3: 0.046 ppm
  • NO2: 1 ppb
  • SO2: 0.4 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.12 µg/m³
  • PM10: 10.98 µg/m³
  • O3: 0.049 ppm
  • NO2: 0.4 ppb
  • SO2: 0.3 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.25 µg/m³
  • PM10: 10.18 µg/m³
  • O3: 0.049 ppm
  • NO2: 0.4 ppb
  • SO2: 0.2 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.33 µg/m³
  • PM10: 9.66 µg/m³
  • O3: 0.050 ppm
  • NO2: 0.3 ppb
  • SO2: 0.2 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.28 µg/m³
  • PM10: 9.11 µg/m³
  • O3: 0.050 ppm
  • NO2: 0.4 ppb
  • SO2: 0.2 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.25 µg/m³
  • PM10: 8.69 µg/m³
  • O3: 0.050 ppm
  • NO2: 0.5 ppb
  • SO2: 0.1 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.4 µg/m³
  • PM10: 8.48 µg/m³
  • O3: 0.050 ppm
  • NO2: 0.9 ppb
  • SO2: 0.2 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.66 µg/m³
  • PM10: 8.56 µg/m³
  • O3: 0.047 ppm
  • NO2: 1.6 ppb
  • SO2: 0.2 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.88 µg/m³
  • PM10: 8.83 µg/m³
  • O3: 0.045 ppm
  • NO2: 2.2 ppb
  • SO2: 0.2 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.88 µg/m³
  • PM10: 9 µg/m³
  • O3: 0.040 ppm
  • NO2: 2.9 ppb
  • SO2: 0.3 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.86 µg/m³
  • PM10: 9.17 µg/m³
  • O3: 0.036 ppm
  • NO2: 3.3 ppb
  • SO2: 0.2 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.8 µg/m³
  • PM10: 9.22 µg/m³
  • O3: 0.032 ppm
  • NO2: 3.5 ppb
  • SO2: 0.2 ppb
  • CO: 0.11 ppm

Health Recommendations:

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