Hourly Weather | Today Wednesday, May 20, 2026
Marietta, Georgia
7 PM
Stormy Weather
82°
Feels Like 82°
44
Humidity: 63%
UV Index: 0
Wind: 5 mph
8 PM
Cloudy Weather
79°
Feels Like 81°
43
Humidity: 64%
UV Index: 0
Wind: 5 mph
9 PM
Stormy Weather
77°
Feels Like 75°
51
Humidity: 72%
UV Index: 0
Wind: 5 mph
10 PM
Cloudy Weather
73°
Feels Like 75°
47
Humidity: 79%
UV Index: 0
Wind: 4 mph
11 PM
Cloudy Weather
72°
Feels Like 73°
34
Humidity: 86%
UV Index: 0
Wind: 4 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 2.74 µg/m³
  • PM10: 4.66 µg/m³
  • O3: 0.034 ppm
  • NO2: 1.4 ppb
  • SO2: 0.1 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.87 µg/m³
  • PM10: 4.9 µg/m³
  • O3: 0.029 ppm
  • NO2: 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.

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

Pollutant Concentrations:

  • PM2.5: 2.93 µg/m³
  • PM10: 5.14 µg/m³
  • O3: 0.023 ppm
  • NO2: 2.4 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
16 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3 µg/m³
  • PM10: 5.53 µg/m³
  • O3: 0.017 ppm
  • NO2: 2.4 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: 3.03 µg/m³
  • PM10: 5.76 µg/m³
  • O3: 0.013 ppm
  • NO2: 2.2 ppb
  • SO2: 0 ppb
  • CO: 0.11 ppm

Health Recommendations:

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