Hourly Weather | Today Thursday, December 4, 2025
Denver, Colorado
4 AM
Cloudy Night
16°
Feels Like 12°
7
Humidity: 91%
Wind: 6 mph
UV Index: 0
5 AM
Cloudy Night
16°
Feels Like 10°
7
Humidity: 87%
Wind: 6 mph
UV Index: 0
6 AM
Cloudy Night
14°
Feels Like
5
Humidity: 88%
Wind: 6 mph
UV Index: 0
7 AM
Cloudy Night
16°
Feels Like
0
Humidity: 82%
Wind: 8 mph
UV Index: 0
8 AM
Cloudy Weather
19°
Feels Like 14°
0
Humidity: 64%
Wind: 8 mph
UV Index: 1
9 AM
Cloudy Weather
25°
Feels Like 19°
0
Humidity: 58%
Wind: 8 mph
UV Index: 1
10 AM
Cloudy Weather
30°
Feels Like 27°
0
Humidity: 52%
Wind: 8 mph
UV Index: 2
11 AM
Cloudy Weather
36°
Feels Like 34°
0
Humidity: 47%
Wind: 8 mph
UV Index: 2
12 PM
Cloudy Weather
37°
Feels Like 37°
0
Humidity: 45%
Wind: 7 mph
UV Index: 3
1 PM
Cloudy Weather
37°
Feels Like 39°
0
Humidity: 44%
Wind: 6 mph
UV Index: 2
2 PM
Cloudy Weather
39°
Feels Like 43°
0
Humidity: 43%
Wind: 6 mph
UV Index: 2
3 PM
Cloudy Weather
39°
Feels Like 37°
0
Humidity: 44%
Wind: 6 mph
UV Index: 1
4 PM
Cloudy Weather
37°
Feels Like 34°
0
Humidity: 43%
Wind: 7 mph
UV Index: 1
5 PM
Cloudy Night
34°
Feels Like 28°
0
Humidity: 46%
Wind: 7 mph
UV Index: 0
6 PM
Cloudy Night
32°
Feels Like 27°
0
Humidity: 49%
Wind: 8 mph
UV Index: 0
7 PM
Cloudy Night
30°
Feels Like 23°
0
Humidity: 53%
Wind: 8 mph
UV Index: 0
8 PM
Cloudy Night
28°
Feels Like 21°
0
Humidity: 54%
Wind: 8 mph
UV Index: 0
9 PM
Cloudy Night
28°
Feels Like 19°
0
Humidity: 55%
Wind: 8 mph
UV Index: 0
10 PM
Cloudy Night
28°
Feels Like 19°
0
Humidity: 54%
Wind: 8 mph
UV Index: 0
11 PM
Cloudy Night
27°
Feels Like 19°
0
Humidity: 56%
Wind: 8 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 0.92 µg/m³
  • PM10: 0.92 µg/m³
  • O3: 0.032 ppm
  • NO2: 1.1 ppb
  • SO2: 0 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.9 µg/m³
  • PM10: 0.91 µg/m³
  • O3: 0.030 ppm
  • NO2: 1.2 ppb
  • SO2: 0 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.88 µg/m³
  • PM10: 0.88 µg/m³
  • O3: 0.028 ppm
  • NO2: 1.4 ppb
  • SO2: 0 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.89 µg/m³
  • PM10: 0.89 µg/m³
  • O3: 0.027 ppm
  • NO2: 1.7 ppb
  • SO2: 0 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.97 µg/m³
  • PM10: 1 µg/m³
  • O3: 0.026 ppm
  • NO2: 2.1 ppb
  • SO2: 0 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.03 µg/m³
  • PM10: 1.07 µg/m³
  • O3: 0.025 ppm
  • NO2: 2.1 ppb
  • SO2: 0 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.04 µg/m³
  • PM10: 1.09 µg/m³
  • O3: 0.026 ppm
  • NO2: 1.7 ppb
  • SO2: 0 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.1 µg/m³
  • PM10: 1.14 µg/m³
  • O3: 0.027 ppm
  • NO2: 1.4 ppb
  • SO2: 0 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.2 µg/m³
  • PM10: 1.22 µg/m³
  • O3: 0.036 ppm
  • NO2: 0.7 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
36 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.5 µg/m³
  • PM10: 1.52 µg/m³
  • O3: 0.039 ppm
  • NO2: 0.6 ppb
  • SO2: 0.1 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.62 µg/m³
  • PM10: 1.64 µg/m³
  • O3: 0.040 ppm
  • NO2: 0.5 ppb
  • SO2: 0.1 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.59 µg/m³
  • PM10: 1.61 µg/m³
  • O3: 0.041 ppm
  • NO2: 0.6 ppb
  • SO2: 0.1 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.54 µg/m³
  • PM10: 1.57 µg/m³
  • O3: 0.040 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.

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

Pollutant Concentrations:

  • PM2.5: 1.47 µg/m³
  • PM10: 1.5 µg/m³
  • O3: 0.039 ppm
  • NO2: 1.3 ppb
  • SO2: 0 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.45 µg/m³
  • PM10: 1.48 µg/m³
  • O3: 0.037 ppm
  • NO2: 1.6 ppb
  • SO2: 0 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.52 µg/m³
  • PM10: 1.56 µg/m³
  • O3: 0.036 ppm
  • NO2: 1.8 ppb
  • SO2: 0 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.63 µg/m³
  • PM10: 1.68 µg/m³
  • O3: 0.035 ppm
  • NO2: 1.9 ppb
  • SO2: 0 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.71 µg/m³
  • PM10: 1.76 µg/m³
  • O3: 0.034 ppm
  • NO2: 1.9 ppb
  • SO2: 0 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.74 µg/m³
  • PM10: 1.8 µg/m³
  • O3: 0.034 ppm
  • NO2: 1.8 ppb
  • SO2: 0 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.72 µg/m³
  • PM10: 1.77 µg/m³
  • O3: 0.034 ppm
  • NO2: 1.8 ppb
  • SO2: 0 ppb
  • CO: 0.11 ppm

Health Recommendations:

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