Hourly Weather | Today Monday, September 21, 2026
Commerce City, Colorado
1 PM
Cloudy Weather
72°
Feels Like 77°
0
Humidity: 42%
UV Index: 5
Wind: 7 mph
2 PM
Cloudy Weather
75°
Feels Like 79°
0
Humidity: 35%
UV Index: 5
Wind: 8 mph
3 PM
Cloudy Weather
75°
Feels Like 79°
0
Humidity: 33%
UV Index: 4
Wind: 8 mph
4 PM
Cloudy Weather
79°
Feels Like 79°
0
Humidity: 30%
UV Index: 3
Wind: 9 mph
5 PM
Cloudy Weather
75°
Feels Like 75°
0
Humidity: 32%
UV Index: 2
Wind: 9 mph
6 PM
Cloudy Weather
73°
Feels Like 73°
0
Humidity: 35%
UV Index: 1
Wind: 9 mph
7 PM
Cloudy Night
72°
Feels Like 70°
0
Humidity: 39%
UV Index: 0
Wind: 9 mph
8 PM
Cloudy Night
70°
Feels Like 66°
47
Humidity: 47%
UV Index: 0
Wind: 8 mph
9 PM
Stormy Weather
66°
Feels Like 61°
51
Humidity: 56%
UV Index: 0
Wind: 8 mph
10 PM
Cloudy Night
64°
Feels Like 63°
47
Humidity: 62%
UV Index: 0
Wind: 8 mph
11 PM
Cloudy Night
63°
Feels Like 61°
19
Humidity: 66%
UV Index: 0
Wind: 7 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 1.76 µg/m³
  • PM10: 2.52 µg/m³
  • O3: 0.044 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.

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

Pollutant Concentrations:

  • PM2.5: 1.61 µg/m³
  • PM10: 2.25 µg/m³
  • O3: 0.046 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.

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

Pollutant Concentrations:

  • PM2.5: 1.58 µg/m³
  • PM10: 2.18 µg/m³
  • O3: 0.046 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
43 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.59 µg/m³
  • PM10: 2.17 µg/m³
  • O3: 0.047 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.

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

Pollutant Concentrations:

  • PM2.5: 1.56 µg/m³
  • PM10: 2.12 µg/m³
  • O3: 0.047 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.

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

Pollutant Concentrations:

  • PM2.5: 1.48 µg/m³
  • PM10: 2.03 µg/m³
  • O3: 0.047 ppm
  • NO2: 0.2 ppb
  • SO2: 0.1 ppb
  • CO: 0.07 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.43 µg/m³
  • PM10: 1.97 µg/m³
  • O3: 0.046 ppm
  • NO2: 0.3 ppb
  • SO2: 0.1 ppb
  • CO: 0.07 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.38 µg/m³
  • PM10: 1.94 µg/m³
  • O3: 0.044 ppm
  • NO2: 0.5 ppb
  • SO2: 0.1 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.33 µg/m³
  • PM10: 1.91 µg/m³
  • O3: 0.042 ppm
  • NO2: 0.5 ppb
  • SO2: 0.1 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.24 µg/m³
  • PM10: 1.88 µg/m³
  • O3: 0.040 ppm
  • NO2: 0.6 ppb
  • SO2: 0.1 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.17 µg/m³
  • PM10: 1.95 µg/m³
  • O3: 0.038 ppm
  • NO2: 0.6 ppb
  • SO2: 0.1 ppb
  • CO: 0.09 ppm

Health Recommendations:

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