Hourly Weather | Today Wednesday, May 20, 2026
Hattiesburg, Mississippi
6 PM
Stormy Weather
81°
Feels Like 84°
78
Humidity: 80%
UV Index: 0
Wind: 6 mph
7 PM
Stormy Weather
82°
Feels Like 84°
77
Humidity: 66%
UV Index: 0
Wind: 4 mph
8 PM
Stormy Weather
81°
Feels Like 81°
51
Humidity: 72%
UV Index: 0
Wind: 4 mph
9 PM
Cloudy Weather
77°
Feels Like 81°
47
Humidity: 79%
UV Index: 0
Wind: 4 mph
10 PM
Cloudy Weather
75°
Feels Like 79°
40
Humidity: 87%
UV Index: 0
Wind: 4 mph
11 PM
Cloudy Weather
72°
Feels Like 75°
33
Humidity: 95%
UV Index: 0
Wind: 4 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 2.99 µg/m³
  • PM10: 5.65 µg/m³
  • O3: 0.022 ppm
  • NO2: 5.1 ppb
  • SO2: 0.4 ppb
  • CO: 0.13 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: 3.28 µg/m³
  • PM10: 6.06 µg/m³
  • O3: 0.019 ppm
  • NO2: 6.9 ppb
  • SO2: 0.4 ppb
  • CO: 0.14 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: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 3.55 µg/m³
  • PM10: 6.49 µg/m³
  • O3: 0.016 ppm
  • NO2: 7.7 ppb
  • SO2: 0.5 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

9 PM
16 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 3.79 µg/m³
  • PM10: 6.91 µg/m³
  • O3: 0.014 ppm
  • NO2: 7.5 ppb
  • SO2: 0.5 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

10 PM
16 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 3.92 µg/m³
  • PM10: 7.11 µg/m³
  • O3: 0.013 ppm
  • NO2: 7 ppb
  • SO2: 0.5 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

11 PM
16 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 3.93 µg/m³
  • PM10: 7.16 µg/m³
  • O3: 0.013 ppm
  • NO2: 6.2 ppb
  • SO2: 0.4 ppb
  • CO: 0.15 ppm

Health Recommendations:

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