Hourly Weather | Today › Saturday, September 26, 2026
Killeen, Texas
10 AM
Cloudy Weather
81°
Feels Like 88°
0
Humidity: 69%
UV Index: 3
Wind: 6 mph
11 AM
Cloudy Weather
82°
Feels Like 91°
0
Humidity: 62%
UV Index: 5
Wind: 6 mph
12 PM
Cloudy Weather
86°
Feels Like 95°
0
Humidity: 54%
UV Index: 6
Wind: 6 mph
1 PM
Cloudy Weather
90°
Feels Like 99°
0
Humidity: 49%
UV Index: 7
Wind: 6 mph
2 PM
Cloudy Weather
91°
Feels Like 99°
0
Humidity: 45%
UV Index: 6
Wind: 6 mph
3 PM
Cloudy Weather
91°
Feels Like 97°
0
Humidity: 41%
UV Index: 5
Wind: 7 mph
4 PM
Cloudy Weather
95°
Feels Like 99°
0
Humidity: 36%
UV Index: 3
Wind: 6 mph
5 PM
Cloudy Weather
93°
Feels Like 93°
0
Humidity: 37%
UV Index: 2
Wind: 7 mph
6 PM
Cloudy Weather
91°
Feels Like 91°
0
Humidity: 37%
UV Index: 1
Wind: 8 mph
7 PM
Cloudy Weather
90°
Feels Like 88°
0
Humidity: 40%
UV Index: 0
Wind: 8 mph
8 PM
Cloudy Night
86°
Feels Like 84°
0
Humidity: 44%
UV Index: 0
Wind: 7 mph
9 PM
Cloudy Night
82°
Feels Like 82°
0
Humidity: 49%
UV Index: 0
Wind: 7 mph
10 PM
Cloudy Night
82°
Feels Like 81°
0
Humidity: 52%
UV Index: 0
Wind: 7 mph
11 PM
Cloudy Night
81°
Feels Like 79°
0
Humidity: 55%
UV Index: 0
Wind: 7 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 8.1 µg/m³
  • PM10: 11.61 µg/m³
  • O3: 0.032 ppm
  • NO2: 2.1 ppb
  • SO2: 0.3 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.65 µg/m³
  • PM10: 11.18 µg/m³
  • O3: 0.044 ppm
  • NO2: 1.1 ppb
  • SO2: 0.4 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.41 µg/m³
  • PM10: 10.44 µg/m³
  • O3: 0.049 ppm
  • NO2: 0.6 ppb
  • SO2: 0.4 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.47 µg/m³
  • PM10: 10.3 µg/m³
  • O3: 0.052 ppm
  • NO2: 0.5 ppb
  • SO2: 0.4 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.21 µg/m³
  • PM10: 9.57 µg/m³
  • O3: 0.054 ppm
  • NO2: 0.4 ppb
  • SO2: 0.3 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.25 µg/m³
  • PM10: 8.14 µg/m³
  • O3: 0.054 ppm
  • NO2: 0.4 ppb
  • SO2: 0.3 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.

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

Pollutant Concentrations:

  • PM2.5: 5.57 µg/m³
  • PM10: 7.3 µg/m³
  • O3: 0.054 ppm
  • NO2: 0.4 ppb
  • SO2: 0.3 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.27 µg/m³
  • PM10: 6.97 µg/m³
  • O3: 0.053 ppm
  • NO2: 0.6 ppb
  • SO2: 0.3 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.01 µg/m³
  • PM10: 6.71 µg/m³
  • O3: 0.051 ppm
  • NO2: 0.9 ppb
  • SO2: 0.2 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.63 µg/m³
  • PM10: 6.32 µg/m³
  • O3: 0.049 ppm
  • NO2: 1.3 ppb
  • SO2: 0.2 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.3 µg/m³
  • PM10: 5.94 µg/m³
  • O3: 0.047 ppm
  • NO2: 1.5 ppb
  • SO2: 0.2 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.42 µg/m³
  • PM10: 6.01 µg/m³
  • O3: 0.045 ppm
  • NO2: 1.6 ppb
  • SO2: 0.2 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.1 µg/m³
  • PM10: 6.65 µg/m³
  • O3: 0.043 ppm
  • NO2: 1.7 ppb
  • SO2: 0.2 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.36 µg/m³
  • PM10: 7.85 µg/m³
  • O3: 0.040 ppm
  • NO2: 1.7 ppb
  • SO2: 0.2 ppb
  • CO: 0.13 ppm

Health Recommendations:

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