Hourly Weather | Today Wednesday, August 12, 2026
Marietta, Georgia
9 AM
Cloudy Weather
72°
Feels Like 81°
20
Humidity: 97%
UV Index: 3
Wind: 7 mph
10 AM
Cloudy Weather
77°
Feels Like 88°
20
Humidity: 88%
UV Index: 5
Wind: 8 mph
11 AM
Cloudy Weather
81°
Feels Like 93°
20
Humidity: 81%
UV Index: 7
Wind: 9 mph
12 PM
Cloudy Weather
82°
Feels Like 97°
20
Humidity: 75%
UV Index: 9
Wind: 9 mph
1 PM
Cloudy Weather
84°
Feels Like 95°
18
Humidity: 71%
UV Index: 5
Wind: 9 mph
2 PM
Cloudy Weather
86°
Feels Like 99°
15
Humidity: 64%
UV Index: 8
Wind: 9 mph
3 PM
Cloudy Weather
88°
Feels Like 99°
15
Humidity: 61%
UV Index: 6
Wind: 9 mph
4 PM
Cloudy Weather
90°
Feels Like 97°
19
Humidity: 57%
UV Index: 4
Wind: 9 mph
5 PM
Cloudy Weather
88°
Feels Like 93°
47
Humidity: 60%
UV Index: 3
Wind: 8 mph
6 PM
Sunny with a Chance of Thunderstorms
82°
Feels Like 88°
51
Humidity: 74%
UV Index: 1
Wind: 8 mph
7 PM
Cloudy Weather
82°
Feels Like 90°
47
Humidity: 68%
UV Index: 1
Wind: 7 mph
8 PM
Cloudy Weather
82°
Feels Like 88°
34
Humidity: 73%
UV Index: 0
Wind: 6 mph
9 PM
Cloudy Night
79°
Feels Like 84°
34
Humidity: 80%
UV Index: 0
Wind: 6 mph
10 PM
Cloudy Weather
77°
Feels Like 82°
40
Humidity: 86%
UV Index: 0
Wind: 6 mph
11 PM
Stormy Weather
73°
Feels Like 75°
51
Humidity: 92%
UV Index: 0
Wind: 6 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 2.93 µg/m³
  • PM10: 4.16 µg/m³
  • O3: 0.011 ppm
  • NO2: 1.3 ppb
  • SO2: 0.3 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.99 µg/m³
  • PM10: 4.24 µg/m³
  • O3: 0.013 ppm
  • NO2: 1.2 ppb
  • SO2: 0.3 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

11 AM
18 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.29 µg/m³
  • PM10: 4.51 µg/m³
  • O3: 0.020 ppm
  • NO2: 1 ppb
  • SO2: 0.3 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.98 µg/m³
  • PM10: 3.67 µg/m³
  • O3: 0.029 ppm
  • NO2: 0.5 ppb
  • SO2: 0.4 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.85 µg/m³
  • PM10: 3.39 µg/m³
  • O3: 0.032 ppm
  • NO2: 0.4 ppb
  • SO2: 0.4 ppb
  • CO: 0.09 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: 3.01 µg/m³
  • PM10: 3.52 µg/m³
  • O3: 0.033 ppm
  • NO2: 0.4 ppb
  • SO2: 0.4 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.1 µg/m³
  • PM10: 3.61 µg/m³
  • O3: 0.034 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.

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

Pollutant Concentrations:

  • PM2.5: 3.06 µg/m³
  • PM10: 3.57 µg/m³
  • O3: 0.035 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.

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

Pollutant Concentrations:

  • PM2.5: 2.9 µg/m³
  • PM10: 3.41 µg/m³
  • O3: 0.035 ppm
  • NO2: 0.5 ppb
  • SO2: 0.3 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.83 µg/m³
  • PM10: 3.48 µg/m³
  • O3: 0.032 ppm
  • NO2: 0.9 ppb
  • SO2: 0.3 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.87 µg/m³
  • PM10: 3.82 µg/m³
  • O3: 0.028 ppm
  • NO2: 1.7 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
22 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.91 µg/m³
  • PM10: 4.14 µg/m³
  • O3: 0.024 ppm
  • NO2: 2.4 ppb
  • SO2: 0.2 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.94 µg/m³
  • PM10: 4.53 µg/m³
  • O3: 0.019 ppm
  • NO2: 2.9 ppb
  • SO2: 0.2 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.01 µg/m³
  • PM10: 5.1 µg/m³
  • O3: 0.014 ppm
  • NO2: 3.1 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
13 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 3.09 µg/m³
  • PM10: 5.66 µg/m³
  • O3: 0.011 ppm
  • NO2: 3.2 ppb
  • SO2: 0.1 ppb
  • CO: 0.11 ppm

Health Recommendations:

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