Hourly Weather | Today › Thursday, October 29, 2026
Arvada, Colorado
10 AM
Cloudy Weather
37°
Feels Like 41°
0
Humidity: 68%
UV Index: 2
Wind: 6 mph
11 AM
Cloudy Weather
45°
Feels Like 46°
0
Humidity: 56%
UV Index: 3
Wind: 6 mph
12 PM
Cloudy Weather
52°
Feels Like 55°
0
Humidity: 43%
UV Index: 3
Wind: 6 mph
1 PM
Cloudy Weather
57°
Feels Like 63°
0
Humidity: 32%
UV Index: 4
Wind: 6 mph
2 PM
Cloudy Weather
64°
Feels Like 68°
0
Humidity: 26%
UV Index: 3
Wind: 7 mph
3 PM
Cloudy Weather
64°
Feels Like 66°
0
Humidity: 26%
UV Index: 3
Wind: 7 mph
4 PM
Cloudy Weather
64°
Feels Like 66°
0
Humidity: 26%
UV Index: 2
Wind: 7 mph
5 PM
Cloudy Weather
63°
Feels Like 63°
0
Humidity: 29%
UV Index: 1
Wind: 7 mph
6 PM
Cloudy Weather
59°
Feels Like 57°
0
Humidity: 34%
UV Index: 0
Wind: 6 mph
7 PM
Cloudy Night
57°
Feels Like 54°
0
Humidity: 40%
UV Index: 0
Wind: 7 mph
8 PM
Cloudy Night
54°
Feels Like 52°
0
Humidity: 46%
UV Index: 0
Wind: 7 mph
9 PM
Cloudy Night
52°
Feels Like 48°
0
Humidity: 51%
UV Index: 0
Wind: 7 mph
10 PM
Cloudy Night
50°
Feels Like 46°
0
Humidity: 53%
UV Index: 0
Wind: 7 mph
11 PM
Cloudy Night
48°
Feels Like 46°
0
Humidity: 56%
UV Index: 0
Wind: 6 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 3.21 µg/m³
  • PM10: 4.43 µg/m³
  • O3: 0.026 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 AM
24 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.79 µg/m³
  • PM10: 4.01 µg/m³
  • O3: 0.026 ppm
  • NO2: 1.6 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
25 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.5 µg/m³
  • PM10: 3.73 µg/m³
  • O3: 0.028 ppm
  • NO2: 1.3 ppb
  • SO2: 0 ppb
  • CO: 0.11 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: 1.89 µg/m³
  • PM10: 3.56 µg/m³
  • O3: 0.042 ppm
  • NO2: 0.4 ppb
  • SO2: 0.1 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.61 µg/m³
  • PM10: 3.13 µg/m³
  • O3: 0.043 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.

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

Pollutant Concentrations:

  • PM2.5: 1.48 µg/m³
  • PM10: 2.87 µg/m³
  • O3: 0.043 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.

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

Pollutant Concentrations:

  • PM2.5: 1.5 µg/m³
  • PM10: 2.82 µg/m³
  • O3: 0.042 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.

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

Pollutant Concentrations:

  • PM2.5: 1.63 µg/m³
  • PM10: 2.91 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.

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

Pollutant Concentrations:

  • PM2.5: 1.73 µg/m³
  • PM10: 3.02 µg/m³
  • O3: 0.038 ppm
  • NO2: 1.1 ppb
  • SO2: 0.1 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.79 µg/m³
  • PM10: 3.04 µg/m³
  • O3: 0.035 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.

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

Pollutant Concentrations:

  • PM2.5: 1.87 µg/m³
  • PM10: 3.1 µg/m³
  • O3: 0.032 ppm
  • NO2: 2.1 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
28 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.94 µg/m³
  • PM10: 3.2 µg/m³
  • O3: 0.030 ppm
  • NO2: 2.3 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
27 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.98 µg/m³
  • PM10: 3.24 µg/m³
  • O3: 0.029 ppm
  • NO2: 2.4 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
26 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.06 µg/m³
  • PM10: 3.33 µg/m³
  • O3: 0.028 ppm
  • NO2: 2.4 ppb
  • SO2: 0 ppb
  • CO: 0.10 ppm

Health Recommendations:

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