Hourly Weather | Today Tuesday, July 21, 2026
Smyrna, Georgia
7 AM
Cloudy Weather
75°
Feels Like 81°
0
Humidity: 87%
UV Index: 1
Wind: 4 mph
8 AM
Cloudy Weather
75°
Feels Like 84°
0
Humidity: 89%
UV Index: 2
Wind: 4 mph
9 AM
Cloudy Weather
79°
Feels Like 88°
0
Humidity: 81%
UV Index: 3
Wind: 6 mph
10 AM
Cloudy Weather
81°
Feels Like 91°
0
Humidity: 75%
UV Index: 4
Wind: 7 mph
11 AM
Cloudy Weather
82°
Feels Like 95°
0
Humidity: 70%
UV Index: 7
Wind: 7 mph
12 PM
Cloudy Weather
86°
Feels Like 99°
0
Humidity: 64%
UV Index: 9
Wind: 8 mph
1 PM
Cloudy Weather
88°
Feels Like 100°
1
Humidity: 58%
UV Index: 11
Wind: 8 mph
2 PM
Cloudy Weather
90°
Feels Like 102°
7
Humidity: 54%
UV Index: 10
Wind: 9 mph
3 PM
Cloudy Weather
91°
Feels Like 102°
7
Humidity: 51%
UV Index: 7
Wind: 9 mph
4 PM
Cloudy Weather
91°
Feels Like 97°
7
Humidity: 51%
UV Index: 5
Wind: 9 mph
5 PM
Cloudy Weather
90°
Feels Like 95°
7
Humidity: 51%
UV Index: 3
Wind: 9 mph
6 PM
Cloudy Weather
90°
Feels Like 93°
7
Humidity: 52%
UV Index: 2
Wind: 8 mph
7 PM
Cloudy Weather
88°
Feels Like 91°
5
Humidity: 54%
UV Index: 1
Wind: 9 mph
8 PM
Cloudy Weather
86°
Feels Like 88°
0
Humidity: 59%
UV Index: 0
Wind: 9 mph
9 PM
Cloudy Night
84°
Feels Like 86°
0
Humidity: 64%
UV Index: 0
Wind: 9 mph
10 PM
Cloudy Night
82°
Feels Like 86°
0
Humidity: 68%
UV Index: 0
Wind: 8 mph
11 PM
Cloudy Night
82°
Feels Like 86°
0
Humidity: 70%
UV Index: 0
Wind: 8 mph

Hourly Air Quality Forecast - AQI (US EPA)

7 AM
15 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.48 µg/m³
  • PM10: 1.94 µg/m³
  • O3: 0.016 ppm
  • NO2: 0.8 ppb
  • SO2: 0.1 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

8 AM
15 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.57 µg/m³
  • PM10: 2.04 µg/m³
  • O3: 0.016 ppm
  • NO2: 0.9 ppb
  • SO2: 0.1 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

9 AM
16 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.58 µg/m³
  • PM10: 2 µg/m³
  • O3: 0.018 ppm
  • NO2: 1.1 ppb
  • SO2: 0.1 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.59 µg/m³
  • PM10: 1.97 µg/m³
  • O3: 0.019 ppm
  • NO2: 1.1 ppb
  • SO2: 0.1 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.6 µg/m³
  • PM10: 1.96 µg/m³
  • O3: 0.020 ppm
  • NO2: 1 ppb
  • SO2: 0 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.44 µg/m³
  • PM10: 1.75 µg/m³
  • O3: 0.023 ppm
  • NO2: 0.7 ppb
  • SO2: 0 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.25 µg/m³
  • PM10: 1.54 µg/m³
  • O3: 0.025 ppm
  • NO2: 0.6 ppb
  • SO2: 0 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.13 µg/m³
  • PM10: 1.38 µg/m³
  • O3: 0.025 ppm
  • NO2: 0.6 ppb
  • SO2: 0 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.97 µg/m³
  • PM10: 1.18 µg/m³
  • O3: 0.026 ppm
  • NO2: 0.6 ppb
  • SO2: 0 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.87 µg/m³
  • PM10: 1.04 µg/m³
  • O3: 0.027 ppm
  • NO2: 0.5 ppb
  • SO2: 0 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.84 µg/m³
  • PM10: 0.98 µg/m³
  • O3: 0.028 ppm
  • NO2: 0.5 ppb
  • SO2: 0 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.82 µg/m³
  • PM10: 0.95 µg/m³
  • O3: 0.028 ppm
  • NO2: 0.6 ppb
  • SO2: 0 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.8 µg/m³
  • PM10: 0.95 µg/m³
  • O3: 0.027 ppm
  • NO2: 0.8 ppb
  • SO2: 0 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.74 µg/m³
  • PM10: 0.9 µg/m³
  • O3: 0.026 ppm
  • NO2: 0.9 ppb
  • SO2: 0 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.68 µg/m³
  • PM10: 0.87 µg/m³
  • O3: 0.025 ppm
  • NO2: 1 ppb
  • SO2: 0 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.67 µg/m³
  • PM10: 0.9 µg/m³
  • O3: 0.023 ppm
  • NO2: 0.9 ppb
  • SO2: 0 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.74 µg/m³
  • PM10: 1.05 µg/m³
  • O3: 0.022 ppm
  • NO2: 0.9 ppb
  • SO2: 0 ppb
  • CO: 0.08 ppm

Health Recommendations:

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