Hourly Weather | Today Friday, May 22, 2026
Decatur, Alabama
8 AM
Cloudy Weather
70°
Feels Like 72°
40
Humidity: 93%
UV Index: 1
Wind: 7 mph
9 AM
Cloudy Weather
72°
Feels Like 73°
34
Humidity: 92%
UV Index: 1
Wind: 8 mph
10 AM
Cloudy Weather
72°
Feels Like 77°
40
Humidity: 90%
UV Index: 2
Wind: 8 mph
11 AM
Sunny with a Chance of Thunderstorms
72°
Feels Like 72°
75
Humidity: 89%
UV Index: 2
Wind: 9 mph
12 PM
Cloudy Weather
72°
Feels Like 79°
49
Humidity: 90%
UV Index: 4
Wind: 11 mph
1 PM
Sunny with a Chance of Thunderstorms
73°
Feels Like 72°
75
Humidity: 89%
UV Index: 3
Wind: 12 mph
2 PM
Cloudy Weather
73°
Feels Like 77°
49
Humidity: 86%
UV Index: 3
Wind: 12 mph
3 PM
Stormy Weather
75°
Feels Like 72°
64
Humidity: 83%
UV Index: 2
Wind: 12 mph
4 PM
Cloudy Weather
75°
Feels Like 77°
49
Humidity: 79%
UV Index: 1
Wind: 12 mph
5 PM
Cloudy Weather
75°
Feels Like 75°
49
Humidity: 82%
UV Index: 1
Wind: 12 mph
6 PM
Cloudy Weather
73°
Feels Like 73°
49
Humidity: 84%
UV Index: 1
Wind: 12 mph
7 PM
Stormy Weather
72°
Feels Like 68°
60
Humidity: 86%
UV Index: 0
Wind: 11 mph
8 PM
Stormy Weather
72°
Feels Like 68°
56
Humidity: 90%
UV Index: 0
Wind: 9 mph
9 PM
Stormy Weather
70°
Feels Like 68°
56
Humidity: 91%
UV Index: 0
Wind: 8 mph
10 PM
Cloudy Weather
70°
Feels Like 70°
49
Humidity: 93%
UV Index: 0
Wind: 8 mph
11 PM
Cloudy Weather
70°
Feels Like 70°
34
Humidity: 95%
UV Index: 0
Wind: 8 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 2.92 µg/m³
  • PM10: 3.04 µg/m³
  • O3: 0.015 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
12 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.55 µg/m³
  • PM10: 2.7 µg/m³
  • O3: 0.013 ppm
  • NO2: 1.1 ppb
  • SO2: 0.1 ppb
  • CO: 0.10 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: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.36 µg/m³
  • PM10: 2.55 µg/m³
  • O3: 0.013 ppm
  • NO2: 1.1 ppb
  • SO2: 0.1 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.13 µg/m³
  • PM10: 2.33 µg/m³
  • O3: 0.013 ppm
  • NO2: 1 ppb
  • SO2: 0.1 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.71 µg/m³
  • PM10: 1.89 µg/m³
  • O3: 0.014 ppm
  • NO2: 0.9 ppb
  • SO2: 0.1 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.29 µg/m³
  • PM10: 1.44 µg/m³
  • O3: 0.015 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.

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

Pollutant Concentrations:

  • PM2.5: 0.95 µg/m³
  • PM10: 1.07 µg/m³
  • O3: 0.017 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.

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

Pollutant Concentrations:

  • PM2.5: 0.98 µg/m³
  • PM10: 1.09 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.

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

Pollutant Concentrations:

  • PM2.5: 1.06 µg/m³
  • PM10: 1.17 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.

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

Pollutant Concentrations:

  • PM2.5: 1.12 µg/m³
  • PM10: 1.23 µg/m³
  • O3: 0.014 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.

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

Pollutant Concentrations:

  • PM2.5: 1.06 µg/m³
  • PM10: 1.17 µg/m³
  • O3: 0.013 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.

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

Pollutant Concentrations:

  • PM2.5: 0.95 µg/m³
  • PM10: 1.05 µg/m³
  • O3: 0.012 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.

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

Pollutant Concentrations:

  • PM2.5: 0.87 µg/m³
  • PM10: 0.97 µg/m³
  • O3: 0.011 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.

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

Pollutant Concentrations:

  • PM2.5: 0.84 µg/m³
  • PM10: 0.94 µg/m³
  • O3: 0.011 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 PM
9 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.85 µg/m³
  • PM10: 0.95 µg/m³
  • O3: 0.010 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 PM
8 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.91 µg/m³
  • PM10: 1.01 µg/m³
  • O3: 0.009 ppm
  • NO2: 1.2 ppb
  • SO2: 0.1 ppb
  • CO: 0.09 ppm

Health Recommendations:

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