Hourly Weather | Today › Thursday, October 8, 2026
Decatur, Alabama
10 AM
Sunny Weather
73°
Feels Like 75°
0
Humidity: 68%
UV Index: 3
Wind: 6 mph
11 AM
Sunny Weather
79°
Feels Like 82°
0
Humidity: 51%
UV Index: 4
Wind: 6 mph
12 PM
Sunny Weather
84°
Feels Like 88°
0
Humidity: 39%
UV Index: 5
Wind: 7 mph
1 PM
Sunny Weather
88°
Feels Like 90°
0
Humidity: 34%
UV Index: 5
Wind: 7 mph
2 PM
Cloudy Weather
90°
Feels Like 91°
0
Humidity: 31%
UV Index: 5
Wind: 8 mph
3 PM
Cloudy Weather
90°
Feels Like 91°
0
Humidity: 29%
UV Index: 4
Wind: 8 mph
4 PM
Cloudy Weather
90°
Feels Like 90°
0
Humidity: 31%
UV Index: 3
Wind: 8 mph
5 PM
Cloudy Weather
88°
Feels Like 86°
0
Humidity: 33%
UV Index: 2
Wind: 7 mph
6 PM
Cloudy Weather
82°
Feels Like 82°
0
Humidity: 41%
UV Index: 1
Wind: 7 mph
7 PM
Cloudy Night
79°
Feels Like 77°
0
Humidity: 51%
UV Index: 0
Wind: 6 mph
8 PM
Night
75°
Feels Like 73°
0
Humidity: 59%
UV Index: 0
Wind: 6 mph
9 PM
Night
73°
Feels Like 72°
0
Humidity: 65%
UV Index: 0
Wind: 6 mph
10 PM
Cloudy Night
70°
Feels Like 68°
0
Humidity: 71%
UV Index: 0
Wind: 6 mph
11 PM
Cloudy Night
68°
Feels Like 66°
0
Humidity: 74%
UV Index: 0
Wind: 6 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 9.85 µg/m³
  • PM10: 12.66 µg/m³
  • O3: 0.010 ppm
  • NO2: 2.2 ppb
  • SO2: 0.1 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 10.21 µg/m³
  • PM10: 11.81 µg/m³
  • O3: 0.053 ppm
  • NO2: 1.2 ppb
  • SO2: 2.1 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

12 PM
60 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 10.68 µg/m³
  • PM10: 11.99 µg/m³
  • O3: 0.057 ppm
  • NO2: 0.7 ppb
  • SO2: 1.9 ppb
  • CO: 0.12 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

1 PM
67 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 11.34 µg/m³
  • PM10: 12.62 µg/m³
  • O3: 0.059 ppm
  • NO2: 0.6 ppb
  • SO2: 1.7 ppb
  • CO: 0.12 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

2 PM
75 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 12 µg/m³
  • PM10: 13.29 µg/m³
  • O3: 0.062 ppm
  • NO2: 0.6 ppb
  • SO2: 1.6 ppb
  • CO: 0.12 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

3 PM
78 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 11.92 µg/m³
  • PM10: 13.16 µg/m³
  • O3: 0.063 ppm
  • NO2: 0.6 ppb
  • SO2: 1.4 ppb
  • CO: 0.12 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

4 PM
80 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 11.7 µg/m³
  • PM10: 12.94 µg/m³
  • O3: 0.063 ppm
  • NO2: 0.6 ppb
  • SO2: 1.3 ppb
  • CO: 0.12 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

5 PM
49 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 11.77 µg/m³
  • PM10: 13.09 µg/m³
  • O3: 0.053 ppm
  • NO2: 1.3 ppb
  • SO2: 1.1 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

6 PM
50 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 11.88 µg/m³
  • PM10: 13.36 µg/m³
  • O3: 0.039 ppm
  • NO2: 2.5 ppb
  • SO2: 0.8 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

7 PM
50 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 11.89 µg/m³
  • PM10: 13.57 µg/m³
  • O3: 0.031 ppm
  • NO2: 3.5 ppb
  • SO2: 0.6 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

8 PM
49 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 11.75 µg/m³
  • PM10: 13.65 µg/m³
  • O3: 0.026 ppm
  • NO2: 4.4 ppb
  • SO2: 0.4 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

9 PM
49 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 11.72 µg/m³
  • PM10: 13.82 µg/m³
  • O3: 0.023 ppm
  • NO2: 4.9 ppb
  • SO2: 0.3 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

10 PM
49 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 11.7 µg/m³
  • PM10: 13.96 µg/m³
  • O3: 0.021 ppm
  • NO2: 5 ppb
  • SO2: 0.2 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

11 PM
48 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 11.57 µg/m³
  • PM10: 13.89 µg/m³
  • O3: 0.019 ppm
  • NO2: 5 ppb
  • SO2: 0.2 ppb
  • CO: 0.17 ppm

Health Recommendations:

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