Hourly Weather | Today | Wednesday, September 3, 2025
Arvada, Colorado
9 AM
Cloudy WeatherCloudy weather, overcast skies with clouds.
72°
Feels Like 73°
0
Humidity: 34%
Wind: 5 mph
UV Index: 25
10 AM
Cloudy WeatherCloudy weather, overcast skies with clouds.
79°
Feels Like 81°
0
Humidity: 25%
Wind: 6 mph
UV Index: 38
11 AM
Cloudy WeatherCloudy weather, overcast skies with clouds.
81°
Feels Like 84°
0
Humidity: 23%
Wind: 8 mph
UV Index: 51
12 PM
Cloudy WeatherCloudy weather, overcast skies with clouds.
84°
Feels Like 88°
0
Humidity: 20%
Wind: 9 mph
UV Index: 67
1 PM
Cloudy WeatherCloudy weather, overcast skies with clouds.
86°
Feels Like 91°
0
Humidity: 18%
Wind: 8 mph
UV Index: 74
2 PM
Cloudy WeatherCloudy weather, overcast skies with clouds.
88°
Feels Like 91°
0
Humidity: 17%
Wind: 8 mph
UV Index: 67
3 PM
Cloudy WeatherCloudy weather, overcast skies with clouds.
88°
Feels Like 91°
0
Humidity: 16%
Wind: 7 mph
UV Index: 51
4 PM
Cloudy WeatherCloudy weather, overcast skies with clouds.
90°
Feels Like 91°
0
Humidity: 15%
Wind: 7 mph
UV Index: 38
5 PM
Cloudy WeatherCloudy weather, overcast skies with clouds.
88°
Feels Like 88°
0
Humidity: 16%
Wind: 7 mph
UV Index: 25
6 PM
Cloudy WeatherCloudy weather, overcast skies with clouds.
84°
Feels Like 84°
0
Humidity: 17%
Wind: 6 mph
UV Index: 15
7 PM
Cloudy WeatherCloudy weather, overcast skies with clouds.
82°
Feels Like 81°
0
Humidity: 19%
Wind: 6 mph
UV Index: 4
8 PM
Cloudy NightCloudy night, overcast skies at night with no rain.
79°
Feels Like 75°
0
Humidity: 23%
Wind: 6 mph
UV Index: 0
9 PM
Cloudy NightCloudy night, overcast skies at night with no rain.
75°
Feels Like 73°
0
Humidity: 27%
Wind: 6 mph
UV Index: 0
10 PM
Cloudy NightCloudy night, overcast skies at night with no rain.
72°
Feels Like 70°
0
Humidity: 32%
Wind: 6 mph
UV Index: 0
11 PM
Cloudy NightCloudy night, overcast skies at night with no rain.
70°
Feels Like 66°
0
Humidity: 37%
Wind: 6 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

9 AM
54 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 7.07 µg/m³
  • PM10: 10.48 µg/m³
  • O₃: 32.33 ppb
  • NO₂: 10.09 ppb
  • SO₂: 0.36 ppb
  • CO: 189.03 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

10 AM
54 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 6.75 µg/m³
  • PM10: 9.12 µg/m³
  • O₃: 41.37 ppb
  • NO₂: 7.92 ppb
  • SO₂: 0.39 ppb
  • CO: 169.77 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

11 AM
53 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 6.55 µg/m³
  • PM10: 8.81 µg/m³
  • O₃: 51.17 ppb
  • NO₂: 5.88 ppb
  • SO₂: 0.43 ppb
  • CO: 149.22 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

12 PM
53 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 5.57 µg/m³
  • PM10: 6.23 µg/m³
  • O₃: 66.16 ppb
  • NO₂: 0.98 ppb
  • SO₂: 0.50 ppb
  • CO: 115.90 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

1 PM
52 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 6.00 µg/m³
  • PM10: 6.52 µg/m³
  • O₃: 67.26 ppb
  • NO₂: 0.90 ppb
  • SO₂: 0.47 ppb
  • CO: 114.83 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

2 PM
52 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 6.34 µg/m³
  • PM10: 6.62 µg/m³
  • O₃: 68.37 ppb
  • NO₂: 0.82 ppb
  • SO₂: 0.43 ppb
  • CO: 113.77 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

3 PM
52 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 6.09 µg/m³
  • PM10: 6.74 µg/m³
  • O₃: 69.48 ppb
  • NO₂: 0.75 ppb
  • SO₂: 0.40 ppb
  • CO: 112.70 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

4 PM
60 AQI
Moderate air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 6.31 µg/m³
  • PM10: 6.90 µg/m³
  • O₃: 67.97 ppb
  • NO₂: 1.37 ppb
  • SO₂: 0.42 ppb
  • CO: 117.47 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

5 PM
74 AQI
Moderate air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 6.07 µg/m³
  • PM10: 7.13 µg/m³
  • O₃: 66.47 ppb
  • NO₂: 2.00 ppb
  • SO₂: 0.43 ppb
  • CO: 122.24 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

6 PM
84 AQI
Moderate air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 6.76 µg/m³
  • PM10: 7.78 µg/m³
  • O₃: 64.97 ppb
  • NO₂: 2.62 ppb
  • SO₂: 0.45 ppb
  • CO: 127.01 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

7 PM
86 AQI
Moderate air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 8.45 µg/m³
  • PM10: 9.38 µg/m³
  • O₃: 56.28 ppb
  • NO₂: 7.80 ppb
  • SO₂: 0.56 ppb
  • CO: 170.92 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

8 PM
78 AQI
Moderate air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 10.38 µg/m³
  • PM10: 11.33 µg/m³
  • O₃: 47.60 ppb
  • NO₂: 12.97 ppb
  • SO₂: 0.67 ppb
  • CO: 214.83 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

9 PM
67 AQI
Moderate air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 11.52 µg/m³
  • PM10: 12.42 µg/m³
  • O₃: 38.92 ppb
  • NO₂: 18.15 ppb
  • SO₂: 0.78 ppb
  • CO: 258.74 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

10 PM
52 AQI
Moderate air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 11.67 µg/m³
  • PM10: 12.44 µg/m³
  • O₃: 33.17 ppb
  • NO₂: 17.72 ppb
  • SO₂: 0.72 ppb
  • CO: 259.12 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

11 PM
49 AQI
Good air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 11.37 µg/m³
  • PM10: 11.93 µg/m³
  • O₃: 27.42 ppb
  • NO₂: 17.28 ppb
  • SO₂: 0.65 ppb
  • CO: 259.50 ppb

Health Recommendations:

With this level of air quality, you have no limitations. Enjoy the outdoors