Hourly Weather | Today Thursday, July 23, 2026
Alpharetta, Georgia
8 AM
Cloudy Weather
75°
Feels Like 82°
25
Humidity: 91%
UV Index: 1
Wind: 6 mph
9 AM
Cloudy Weather
77°
Feels Like 84°
25
Humidity: 87%
UV Index: 2
Wind: 7 mph
10 AM
Cloudy Weather
79°
Feels Like 88°
24
Humidity: 80%
UV Index: 3
Wind: 8 mph
11 AM
Cloudy Weather
81°
Feels Like 91°
20
Humidity: 75%
UV Index: 4
Wind: 8 mph
12 PM
Cloudy Weather
82°
Feels Like 93°
20
Humidity: 69%
UV Index: 6
Wind: 8 mph
1 PM
Cloudy Weather
84°
Feels Like 97°
25
Humidity: 65%
UV Index: 6
Wind: 8 mph
2 PM
Stormy Weather
82°
Feels Like 88°
51
Humidity: 80%
UV Index: 2
Wind: 8 mph
3 PM
Cloudy Weather
88°
Feels Like 97°
47
Humidity: 60%
UV Index: 4
Wind: 8 mph
4 PM
Cloudy Weather
84°
Feels Like 91°
35
Humidity: 65%
UV Index: 1
Wind: 8 mph
5 PM
Cloudy Weather
86°
Feels Like 91°
19
Humidity: 64%
UV Index: 1
Wind: 8 mph
6 PM
Cloudy Weather
84°
Feels Like 90°
19
Humidity: 67%
UV Index: 1
Wind: 8 mph
7 PM
Cloudy Weather
82°
Feels Like 88°
24
Humidity: 74%
UV Index: 1
Wind: 7 mph
8 PM
Cloudy Weather
81°
Feels Like 86°
34
Humidity: 82%
UV Index: 0
Wind: 7 mph
9 PM
Cloudy Weather
79°
Feels Like 86°
34
Humidity: 85%
UV Index: 0
Wind: 6 mph
10 PM
Cloudy Weather
77°
Feels Like 84°
37
Humidity: 88%
UV Index: 0
Wind: 5 mph
11 PM
Cloudy Weather
75°
Feels Like 82°
43
Humidity: 93%
UV Index: 0
Wind: 5 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 2.36 µg/m³
  • PM10: 6.15 µg/m³
  • O3: 0.011 ppm
  • NO2: 1.2 ppb
  • SO2: 0.1 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.49 µg/m³
  • PM10: 6.82 µg/m³
  • O3: 0.013 ppm
  • NO2: 1.2 ppb
  • SO2: 0.1 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.55 µg/m³
  • PM10: 7.14 µg/m³
  • O3: 0.014 ppm
  • NO2: 1.1 ppb
  • SO2: 0.1 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.64 µg/m³
  • PM10: 7.47 µg/m³
  • O3: 0.018 ppm
  • NO2: 0.9 ppb
  • SO2: 0.1 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.35 µg/m³
  • PM10: 7.03 µg/m³
  • O3: 0.025 ppm
  • NO2: 0.6 ppb
  • SO2: 0.1 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.03 µg/m³
  • PM10: 5.88 µg/m³
  • O3: 0.027 ppm
  • NO2: 0.4 ppb
  • SO2: 0.1 ppb
  • CO: 0.07 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.91 µg/m³
  • PM10: 5.25 µg/m³
  • O3: 0.027 ppm
  • NO2: 0.4 ppb
  • SO2: 0.1 ppb
  • CO: 0.07 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.8 µg/m³
  • PM10: 4.61 µg/m³
  • O3: 0.028 ppm
  • NO2: 0.4 ppb
  • SO2: 0.1 ppb
  • CO: 0.07 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.59 µg/m³
  • PM10: 3.7 µg/m³
  • O3: 0.029 ppm
  • NO2: 0.4 ppb
  • SO2: 0 ppb
  • CO: 0.07 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.44 µg/m³
  • PM10: 3.09 µg/m³
  • O3: 0.029 ppm
  • NO2: 0.5 ppb
  • SO2: 0 ppb
  • CO: 0.07 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: 1.43 µg/m³
  • PM10: 2.94 µg/m³
  • O3: 0.028 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.

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

Pollutant Concentrations:

  • PM2.5: 1.5 µg/m³
  • PM10: 3.05 µg/m³
  • O3: 0.026 ppm
  • NO2: 1.4 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
22 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.6 µg/m³
  • PM10: 3.24 µg/m³
  • O3: 0.024 ppm
  • NO2: 1.8 ppb
  • SO2: 0.1 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.67 µg/m³
  • PM10: 3.29 µg/m³
  • O3: 0.021 ppm
  • NO2: 2.1 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 PM
17 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.74 µg/m³
  • PM10: 3.32 µg/m³
  • O3: 0.018 ppm
  • NO2: 2.1 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 PM
14 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.81 µg/m³
  • PM10: 3.4 µg/m³
  • O3: 0.015 ppm
  • NO2: 2 ppb
  • SO2: 0.1 ppb
  • CO: 0.09 ppm

Health Recommendations:

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