Hourly Weather | Today Saturday, August 29, 2026
Centennial, Colorado
1 AM
Cloudy Night
66°
Feels Like 64°
13
Humidity: 60%
UV Index: 0
Wind: 8 mph
2 AM
Cloudy Night
66°
Feels Like 63°
0
Humidity: 61%
UV Index: 0
Wind: 8 mph
3 AM
Cloudy Night
64°
Feels Like 63°
0
Humidity: 61%
UV Index: 0
Wind: 7 mph
4 AM
Cloudy Night
64°
Feels Like 63°
0
Humidity: 62%
UV Index: 0
Wind: 7 mph
5 AM
Cloudy Night
64°
Feels Like 63°
0
Humidity: 61%
UV Index: 0
Wind: 7 mph
6 AM
Cloudy Night
63°
Feels Like 61°
0
Humidity: 62%
UV Index: 0
Wind: 7 mph
7 AM
Cloudy Weather
64°
Feels Like 64°
2
Humidity: 57%
UV Index: 0
Wind: 7 mph
8 AM
Cloudy Weather
68°
Feels Like 66°
5
Humidity: 51%
UV Index: 1
Wind: 7 mph
9 AM
Cloudy Weather
72°
Feels Like 73°
5
Humidity: 44%
UV Index: 2
Wind: 7 mph
10 AM
Cloudy Weather
77°
Feels Like 79°
6
Humidity: 37%
UV Index: 3
Wind: 7 mph
11 AM
Cloudy Weather
81°
Feels Like 82°
7
Humidity: 32%
UV Index: 4
Wind: 7 mph
12 PM
Cloudy Weather
82°
Feels Like 88°
7
Humidity: 28%
UV Index: 6
Wind: 7 mph
1 PM
Cloudy Weather
86°
Feels Like 90°
9
Humidity: 25%
UV Index: 6
Wind: 8 mph
2 PM
Cloudy Weather
84°
Feels Like 88°
14
Humidity: 26%
UV Index: 6
Wind: 9 mph
3 PM
Cloudy Weather
84°
Feels Like 84°
14
Humidity: 28%
UV Index: 4
Wind: 9 mph
4 PM
Cloudy Weather
82°
Feels Like 82°
18
Humidity: 30%
UV Index: 3
Wind: 9 mph
5 PM
Cloudy Weather
81°
Feels Like 79°
47
Humidity: 34%
UV Index: 2
Wind: 8 mph
6 PM
Stormy Weather
77°
Feels Like 72°
51
Humidity: 41%
UV Index: 1
Wind: 8 mph
7 PM
Cloudy Weather
75°
Feels Like 72°
47
Humidity: 44%
UV Index: 0
Wind: 7 mph
8 PM
Cloudy Night
73°
Feels Like 70°
10
Humidity: 47%
UV Index: 0
Wind: 7 mph
9 PM
Cloudy Night
72°
Feels Like 68°
10
Humidity: 49%
UV Index: 0
Wind: 7 mph
10 PM
Cloudy Night
70°
Feels Like 66°
10
Humidity: 53%
UV Index: 0
Wind: 7 mph
11 PM
Cloudy Night
66°
Feels Like 64°
10
Humidity: 57%
UV Index: 0
Wind: 7 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 2.27 µg/m³
  • PM10: 3.32 µg/m³
  • O3: 0.020 ppm
  • NO2: 2.1 ppb
  • SO2: 0 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.31 µg/m³
  • PM10: 3.35 µg/m³
  • O3: 0.019 ppm
  • NO2: 2 ppb
  • SO2: 0 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.34 µg/m³
  • PM10: 3.37 µg/m³
  • O3: 0.018 ppm
  • NO2: 1.9 ppb
  • SO2: 0 ppb
  • CO: 0.07 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.34 µg/m³
  • PM10: 3.38 µg/m³
  • O3: 0.017 ppm
  • NO2: 1.8 ppb
  • SO2: 0 ppb
  • CO: 0.07 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.35 µg/m³
  • PM10: 3.41 µg/m³
  • O3: 0.017 ppm
  • NO2: 1.8 ppb
  • SO2: 0 ppb
  • CO: 0.07 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.34 µg/m³
  • PM10: 3.4 µg/m³
  • O3: 0.017 ppm
  • NO2: 1.7 ppb
  • SO2: 0 ppb
  • CO: 0.07 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.29 µg/m³
  • PM10: 3.33 µg/m³
  • O3: 0.016 ppm
  • NO2: 1.8 ppb
  • SO2: 0 ppb
  • CO: 0.07 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: 2.23 µg/m³
  • PM10: 3.23 µg/m³
  • O3: 0.016 ppm
  • NO2: 1.8 ppb
  • SO2: 0 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.15 µg/m³
  • PM10: 3.14 µg/m³
  • O3: 0.019 ppm
  • NO2: 1.5 ppb
  • SO2: 0 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.18 µg/m³
  • PM10: 4.79 µg/m³
  • O3: 0.042 ppm
  • NO2: 0.2 ppb
  • SO2: 0.1 ppb
  • CO: 0.06 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.26 µg/m³
  • PM10: 5.36 µg/m³
  • O3: 0.043 ppm
  • NO2: 0.1 ppb
  • SO2: 0 ppb
  • CO: 0.06 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.27 µg/m³
  • PM10: 5.42 µg/m³
  • O3: 0.042 ppm
  • NO2: 0.1 ppb
  • SO2: 0 ppb
  • CO: 0.06 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.2 µg/m³
  • PM10: 4.78 µg/m³
  • O3: 0.042 ppm
  • NO2: 0.1 ppb
  • SO2: 0 ppb
  • CO: 0.06 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.95 µg/m³
  • PM10: 3.41 µg/m³
  • O3: 0.042 ppm
  • NO2: 0.1 ppb
  • SO2: 0 ppb
  • CO: 0.06 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.76 µg/m³
  • PM10: 2.55 µg/m³
  • O3: 0.042 ppm
  • NO2: 0.1 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
39 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.62 µg/m³
  • PM10: 2.14 µg/m³
  • O3: 0.042 ppm
  • NO2: 0.1 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
38 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.6 µg/m³
  • PM10: 2.06 µg/m³
  • O3: 0.041 ppm
  • NO2: 0.1 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
38 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.65 µg/m³
  • PM10: 2.08 µg/m³
  • O3: 0.041 ppm
  • NO2: 0.1 ppb
  • SO2: 0 ppb
  • CO: 0.07 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.68 µg/m³
  • PM10: 2.03 µg/m³
  • O3: 0.038 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.

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

Pollutant Concentrations:

  • PM2.5: 1.68 µg/m³
  • PM10: 1.97 µg/m³
  • O3: 0.033 ppm
  • NO2: 0.8 ppb
  • SO2: 0 ppb
  • CO: 0.07 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.69 µg/m³
  • PM10: 1.96 µg/m³
  • O3: 0.028 ppm
  • NO2: 1.1 ppb
  • SO2: 0 ppb
  • CO: 0.07 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.67 µg/m³
  • PM10: 1.92 µg/m³
  • O3: 0.025 ppm
  • NO2: 1.3 ppb
  • SO2: 0 ppb
  • CO: 0.07 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.66 µg/m³
  • PM10: 1.9 µg/m³
  • O3: 0.024 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.