Hourly Weather | Today Monday, September 21, 2026
Hattiesburg, Mississippi
2 PM
Cloudy Weather
95°
Feels Like 106°
20
Humidity: 43%
UV Index: 6
Wind: 7 mph
3 PM
Cloudy Weather
95°
Feels Like 102°
20
Humidity: 45%
UV Index: 5
Wind: 7 mph
4 PM
Cloudy Weather
93°
Feels Like 100°
25
Humidity: 48%
UV Index: 3
Wind: 7 mph
5 PM
Cloudy Weather
91°
Feels Like 97°
43
Humidity: 51%
UV Index: 2
Wind: 6 mph
6 PM
Cloudy Weather
88°
Feels Like 95°
47
Humidity: 59%
UV Index: 1
Wind: 4 mph
7 PM
Stormy Weather
84°
Feels Like 90°
51
Humidity: 77%
UV Index: 0
Wind: 4 mph
8 PM
Cloudy Night
82°
Feels Like 90°
47
Humidity: 77%
UV Index: 0
Wind: 4 mph
9 PM
Cloudy Night
79°
Feels Like 86°
47
Humidity: 84%
UV Index: 0
Wind: 4 mph
10 PM
Stormy Weather
77°
Feels Like 81°
51
Humidity: 90%
UV Index: 0
Wind: 4 mph
11 PM
Cloudy Night
73°
Feels Like 81°
40
Humidity: 96%
UV Index: 0
Wind: 2 mph

Hourly Air Quality Forecast - AQI (US EPA)

2 PM
52 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 7.67 µg/m³
  • PM10: 9.25 µg/m³
  • O3: 0.055 ppm
  • NO2: 0.6 ppb
  • SO2: 0.5 ppb
  • CO: 0.12 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

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

Pollutant Concentrations:

  • PM2.5: 7.64 µg/m³
  • PM10: 9.05 µg/m³
  • O3: 0.053 ppm
  • NO2: 0.8 ppb
  • SO2: 0.5 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.62 µg/m³
  • PM10: 8.87 µg/m³
  • O3: 0.052 ppm
  • NO2: 1.2 ppb
  • SO2: 0.5 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.75 µg/m³
  • PM10: 8.9 µg/m³
  • O3: 0.048 ppm
  • NO2: 2.3 ppb
  • SO2: 0.5 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 8.02 µg/m³
  • PM10: 9.15 µg/m³
  • O3: 0.044 ppm
  • NO2: 4.2 ppb
  • SO2: 0.6 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 8.25 µg/m³
  • PM10: 9.37 µg/m³
  • O3: 0.039 ppm
  • NO2: 5.9 ppb
  • SO2: 0.6 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

8 PM
35 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 8.36 µg/m³
  • PM10: 9.46 µg/m³
  • O3: 0.035 ppm
  • NO2: 6.7 ppb
  • SO2: 0.6 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 8.47 µg/m³
  • PM10: 9.55 µg/m³
  • O3: 0.031 ppm
  • NO2: 6.5 ppb
  • SO2: 0.6 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 8.47 µg/m³
  • PM10: 9.49 µg/m³
  • O3: 0.028 ppm
  • NO2: 5.8 ppb
  • SO2: 0.6 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 8.42 µg/m³
  • PM10: 9.36 µg/m³
  • O3: 0.026 ppm
  • NO2: 4.9 ppb
  • SO2: 0.5 ppb
  • CO: 0.16 ppm

Health Recommendations:

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