Hourly Weather | Today Sunday, December 14, 2025
Arvada, Colorado
7 AM
Cloudy Night
30°
Feels Like 28°
0
Humidity: 55%
Wind: 5 mph
UV Index: 0
8 AM
Cloudy Weather
34°
Feels Like 34°
0
Humidity: 46%
Wind: 6 mph
UV Index: 1
9 AM
Cloudy Weather
41°
Feels Like 43°
0
Humidity: 36%
Wind: 5 mph
UV Index: 1
10 AM
Cloudy Weather
48°
Feels Like 52°
0
Humidity: 29%
Wind: 5 mph
UV Index: 2
11 AM
Cloudy Weather
52°
Feels Like 57°
0
Humidity: 25%
Wind: 4 mph
UV Index: 2
12 PM
Cloudy Weather
55°
Feels Like 63°
0
Humidity: 22%
Wind: 2 mph
UV Index: 3
1 PM
Cloudy Weather
57°
Feels Like 64°
0
Humidity: 19%
Wind: 2 mph
UV Index: 2
2 PM
Cloudy Weather
61°
Feels Like 66°
0
Humidity: 17%
Wind: 4 mph
UV Index: 2
3 PM
Cloudy Weather
61°
Feels Like 63°
0
Humidity: 18%
Wind: 5 mph
UV Index: 1
4 PM
Cloudy Weather
57°
Feels Like 57°
0
Humidity: 21%
Wind: 6 mph
UV Index: 1
5 PM
Cloudy Night
54°
Feels Like 52°
0
Humidity: 25%
Wind: 6 mph
UV Index: 0
6 PM
Cloudy Night
52°
Feels Like 48°
0
Humidity: 28%
Wind: 7 mph
UV Index: 0
7 PM
Cloudy Night
48°
Feels Like 45°
0
Humidity: 29%
Wind: 7 mph
UV Index: 0
8 PM
Cloudy Night
46°
Feels Like 43°
0
Humidity: 31%
Wind: 7 mph
UV Index: 0
9 PM
Cloudy Night
45°
Feels Like 41°
0
Humidity: 31%
Wind: 7 mph
UV Index: 0
10 PM
Cloudy Night
45°
Feels Like 39°
0
Humidity: 30%
Wind: 7 mph
UV Index: 0
11 PM
Cloudy Night
43°
Feels Like 39°
0
Humidity: 30%
Wind: 7 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 1.44 µg/m³
  • PM10: 1.53 µg/m³
  • O3: 0.027 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.

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

Pollutant Concentrations:

  • PM2.5: 1.32 µg/m³
  • PM10: 1.42 µg/m³
  • O3: 0.027 ppm
  • NO2: 1.9 ppb
  • SO2: 0 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.17 µg/m³
  • PM10: 1.26 µg/m³
  • O3: 0.027 ppm
  • NO2: 2 ppb
  • SO2: 0 ppb
  • CO: 0.09 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: 1.13 µg/m³
  • O3: 0.026 ppm
  • NO2: 1.6 ppb
  • SO2: 0 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.95 µg/m³
  • PM10: 1.04 µg/m³
  • O3: 0.026 ppm
  • NO2: 1.3 ppb
  • SO2: 0 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.82 µg/m³
  • PM10: 0.9 µg/m³
  • O3: 0.031 ppm
  • NO2: 1 ppb
  • SO2: 0 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.83 µg/m³
  • PM10: 0.89 µg/m³
  • O3: 0.033 ppm
  • NO2: 0.9 ppb
  • SO2: 0 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.84 µg/m³
  • PM10: 0.9 µg/m³
  • O3: 0.034 ppm
  • NO2: 0.9 ppb
  • SO2: 0 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.88 µg/m³
  • PM10: 0.94 µg/m³
  • O3: 0.034 ppm
  • NO2: 1 ppb
  • SO2: 0 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.01 µg/m³
  • PM10: 1.09 µg/m³
  • O3: 0.033 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.

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

Pollutant Concentrations:

  • PM2.5: 1.23 µg/m³
  • PM10: 1.31 µg/m³
  • O3: 0.031 ppm
  • NO2: 2.3 ppb
  • SO2: 0 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.44 µg/m³
  • PM10: 1.53 µg/m³
  • O3: 0.029 ppm
  • NO2: 2.8 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
25 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.59 µg/m³
  • PM10: 1.69 µg/m³
  • O3: 0.027 ppm
  • NO2: 3 ppb
  • SO2: 0 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.67 µg/m³
  • PM10: 1.78 µg/m³
  • O3: 0.026 ppm
  • NO2: 3.1 ppb
  • SO2: 0 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.66 µg/m³
  • PM10: 1.76 µg/m³
  • O3: 0.026 ppm
  • NO2: 3 ppb
  • SO2: 0 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.69 µg/m³
  • PM10: 1.8 µg/m³
  • O3: 0.026 ppm
  • NO2: 2.8 ppb
  • SO2: 0 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.7 µg/m³
  • PM10: 1.79 µg/m³
  • O3: 0.026 ppm
  • NO2: 2.6 ppb
  • SO2: 0 ppb
  • CO: 0.10 ppm

Health Recommendations:

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