Hourly Weather | Today Wednesday, October 1, 2025
Arvada, Colorado
1 PM
Cloudy Weather
77°
Feels Like 82°
0
Humidity: 25%
Wind: 6 mph
UV Index: 49
2 PM
Cloudy Weather
79°
Feels Like 82°
0
Humidity: 23%
Wind: 7 mph
UV Index: 46
3 PM
Cloudy Weather
79°
Feels Like 82°
0
Humidity: 23%
Wind: 7 mph
UV Index: 38
4 PM
Cloudy Weather
81°
Feels Like 82°
0
Humidity: 23%
Wind: 7 mph
UV Index: 27
5 PM
Cloudy Weather
79°
Feels Like 79°
0
Humidity: 25%
Wind: 7 mph
UV Index: 18
6 PM
Cloudy Weather
75°
Feels Like 73°
0
Humidity: 28%
Wind: 6 mph
UV Index: 8
7 PM
Cloudy Night
72°
Feels Like 70°
0
Humidity: 32%
Wind: 6 mph
UV Index: 0
8 PM
Night
70°
Feels Like 66°
0
Humidity: 35%
Wind: 6 mph
UV Index: 0
9 PM
Night
66°
Feels Like 64°
0
Humidity: 40%
Wind: 6 mph
UV Index: 0
10 PM
Night
63°
Feels Like 63°
0
Humidity: 45%
Wind: 5 mph
UV Index: 0
11 PM
Night
61°
Feels Like 59°
0
Humidity: 50%
Wind: 6 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

1 PM
35 AQI
Good air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 1.73 µg/m³
  • PM10: 2.45 µg/m³
  • O₃: 58.93 ppb
  • NO₂: 1.12 ppb
  • SO₂: 0.36 ppb
  • CO: 101.10 ppb

Health Recommendations:

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

2 PM
39 AQI
Good air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 1.72 µg/m³
  • PM10: 2.50 µg/m³
  • O₃: 60.19 ppb
  • NO₂: 1.01 ppb
  • SO₂: 0.32 ppb
  • CO: 99.64 ppb

Health Recommendations:

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

3 PM
43 AQI
Good air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 1.75 µg/m³
  • PM10: 2.56 µg/m³
  • O₃: 61.45 ppb
  • NO₂: 0.90 ppb
  • SO₂: 0.28 ppb
  • CO: 98.18 ppb

Health Recommendations:

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

4 PM
47 AQI
Good air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 1.83 µg/m³
  • PM10: 2.66 µg/m³
  • O₃: 58.87 ppb
  • NO₂: 2.12 ppb
  • SO₂: 0.33 ppb
  • CO: 108.19 ppb

Health Recommendations:

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

5 PM
50 AQI
Good air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 1.98 µg/m³
  • PM10: 2.79 µg/m³
  • O₃: 56.28 ppb
  • NO₂: 3.33 ppb
  • SO₂: 0.38 ppb
  • CO: 118.20 ppb

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.84 µg/m³
  • PM10: 3.49 µg/m³
  • O₃: 53.70 ppb
  • NO₂: 4.54 ppb
  • SO₂: 0.43 ppb
  • CO: 128.22 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
57 AQI
Moderate air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 4.26 µg/m³
  • PM10: 4.89 µg/m³
  • O₃: 47.91 ppb
  • NO₂: 8.16 ppb
  • SO₂: 0.57 ppb
  • CO: 155.66 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
50 AQI
Good air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 5.29 µg/m³
  • PM10: 5.93 µg/m³
  • O₃: 42.13 ppb
  • NO₂: 11.77 ppb
  • SO₂: 0.70 ppb
  • CO: 183.10 ppb

Health Recommendations:

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

9 PM
48 AQI
Good air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 6.42 µg/m³
  • PM10: 7.07 µg/m³
  • O₃: 36.34 ppb
  • NO₂: 15.39 ppb
  • SO₂: 0.84 ppb
  • CO: 210.55 ppb

Health Recommendations:

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

10 PM
44 AQI
Good air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 7.99 µg/m³
  • PM10: 8.55 µg/m³
  • O₃: 28.87 ppb
  • NO₂: 17.58 ppb
  • SO₂: 0.77 ppb
  • CO: 230.44 ppb

Health Recommendations:

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

11 PM
39 AQI
Good air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 8.72 µg/m³
  • PM10: 9.14 µg/m³
  • O₃: 21.40 ppb
  • NO₂: 19.77 ppb
  • SO₂: 0.71 ppb
  • CO: 250.34 ppb

Health Recommendations:

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