Hourly Weather | Today Tuesday, July 21, 2026
Roswell, Georgia
7 AM
Cloudy Weather
73°
Feels Like 81°
0
Humidity: 91%
UV Index: 1
Wind: 6 mph
8 AM
Cloudy Weather
77°
Feels Like 86°
0
Humidity: 86%
UV Index: 2
Wind: 6 mph
9 AM
Cloudy Weather
79°
Feels Like 88°
0
Humidity: 82%
UV Index: 3
Wind: 6 mph
10 AM
Cloudy Weather
81°
Feels Like 91°
0
Humidity: 75%
UV Index: 4
Wind: 6 mph
11 AM
Cloudy Weather
82°
Feels Like 97°
0
Humidity: 69%
UV Index: 7
Wind: 7 mph
12 PM
Cloudy Weather
86°
Feels Like 99°
0
Humidity: 64%
UV Index: 9
Wind: 7 mph
1 PM
Cloudy Weather
88°
Feels Like 100°
1
Humidity: 59%
UV Index: 11
Wind: 8 mph
2 PM
Cloudy Weather
90°
Feels Like 102°
7
Humidity: 56%
UV Index: 9
Wind: 8 mph
3 PM
Cloudy Weather
90°
Feels Like 100°
7
Humidity: 55%
UV Index: 7
Wind: 8 mph
4 PM
Cloudy Weather
91°
Feels Like 100°
7
Humidity: 53%
UV Index: 4
Wind: 8 mph
5 PM
Cloudy Weather
90°
Feels Like 97°
7
Humidity: 56%
UV Index: 3
Wind: 8 mph
6 PM
Cloudy Weather
88°
Feels Like 93°
7
Humidity: 58%
UV Index: 2
Wind: 9 mph
7 PM
Cloudy Weather
88°
Feels Like 91°
5
Humidity: 61%
UV Index: 1
Wind: 9 mph
8 PM
Cloudy Weather
84°
Feels Like 90°
0
Humidity: 66%
UV Index: 0
Wind: 8 mph
9 PM
Cloudy Night
82°
Feels Like 88°
0
Humidity: 72%
UV Index: 0
Wind: 8 mph
10 PM
Cloudy Night
81°
Feels Like 84°
0
Humidity: 79%
UV Index: 0
Wind: 8 mph
11 PM
Cloudy Night
81°
Feels Like 84°
0
Humidity: 80%
UV Index: 0
Wind: 8 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 1.64 µg/m³
  • PM10: 2.12 µg/m³
  • O3: 0.015 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: 1.79 µg/m³
  • PM10: 2.29 µg/m³
  • O3: 0.016 ppm
  • NO2: 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.

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

Pollutant Concentrations:

  • PM2.5: 1.91 µg/m³
  • PM10: 2.35 µg/m³
  • O3: 0.017 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
17 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.99 µg/m³
  • PM10: 2.38 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.

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

Pollutant Concentrations:

  • PM2.5: 2.07 µg/m³
  • PM10: 2.44 µg/m³
  • O3: 0.020 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.

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

Pollutant Concentrations:

  • PM2.5: 1.82 µg/m³
  • PM10: 2.15 µg/m³
  • O3: 0.024 ppm
  • NO2: 0.6 ppb
  • SO2: 0.1 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: 1.53 µg/m³
  • PM10: 1.83 µg/m³
  • O3: 0.025 ppm
  • NO2: 0.6 ppb
  • SO2: 0.1 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.33 µg/m³
  • PM10: 1.59 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.

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

Pollutant Concentrations:

  • PM2.5: 1.08 µg/m³
  • PM10: 1.3 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.

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

Pollutant Concentrations:

  • PM2.5: 0.93 µg/m³
  • PM10: 1.12 µg/m³
  • O3: 0.026 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.

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

Pollutant Concentrations:

  • PM2.5: 0.93 µg/m³
  • PM10: 1.09 µg/m³
  • O3: 0.027 ppm
  • NO2: 0.5 ppb
  • SO2: 0.1 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: 0.93 µg/m³
  • PM10: 1.08 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
26 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.86 µg/m³
  • PM10: 1.02 µg/m³
  • O3: 0.028 ppm
  • NO2: 0.7 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
25 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.75 µg/m³
  • PM10: 0.91 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.

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

Pollutant Concentrations:

  • PM2.5: 0.63 µg/m³
  • PM10: 0.83 µg/m³
  • O3: 0.025 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.

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

Pollutant Concentrations:

  • PM2.5: 0.58 µg/m³
  • PM10: 0.79 µg/m³
  • O3: 0.024 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.

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

Pollutant Concentrations:

  • PM2.5: 0.6 µg/m³
  • PM10: 0.86 µg/m³
  • O3: 0.023 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.