Hourly Weather | Today Sunday, October 5, 2025
Greeley, Colorado
5 PM
Cloudy Weather
63°
Feels Like 61°
20
Humidity: 40%
Wind: 13 mph
UV Index: 16
6 PM
Cloudy Weather
61°
Feels Like 55°
20
Humidity: 48%
Wind: 12 mph
UV Index: 7
7 PM
Cloudy Night
55°
Feels Like 52°
25
Humidity: 60%
Wind: 10 mph
UV Index: 0
8 PM
Rainy Weather
52°
Feels Like 45°
56
Humidity: 71%
Wind: 9 mph
UV Index: 0
9 PM
Rainy Weather
50°
Feels Like 43°
56
Humidity: 81%
Wind: 8 mph
UV Index: 0
10 PM
Cloudy Weather
46°
Feels Like 43°
49
Humidity: 89%
Wind: 7 mph
UV Index: 0
11 PM
Cloudy Weather
46°
Feels Like 43°
22
Humidity: 90%
Wind: 7 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 1.07 µg/m³
  • PM10: 1.86 µg/m³
  • O₃: 46.04 ppb
  • NO₂: 0.90 ppb
  • SO₂: 0.16 ppb
  • CO: 111.81 ppb

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.49 µg/m³
  • PM10: 2.22 µg/m³
  • O₃: 44.54 ppb
  • NO₂: 1.04 ppb
  • SO₂: 0.15 ppb
  • CO: 113.59 ppb

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.72 µg/m³
  • PM10: 2.30 µg/m³
  • O₃: 42.40 ppb
  • NO₂: 1.23 ppb
  • SO₂: 0.13 ppb
  • CO: 115.18 ppb

Health Recommendations:

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

8 PM
42 AQI
Good air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 3.70 µg/m³
  • PM10: 4.77 µg/m³
  • O₃: 40.26 ppb
  • NO₂: 1.41 ppb
  • SO₂: 0.11 ppb
  • CO: 116.77 ppb

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.47 µg/m³
  • PM10: 3.12 µg/m³
  • O₃: 38.12 ppb
  • NO₂: 1.60 ppb
  • SO₂: 0.09 ppb
  • CO: 118.37 ppb

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.93 µg/m³
  • PM10: 2.30 µg/m³
  • O₃: 36.39 ppb
  • NO₂: 1.69 ppb
  • SO₂: 0.09 ppb
  • CO: 120.94 ppb

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.68 µg/m³
  • PM10: 2.01 µg/m³
  • O₃: 34.66 ppb
  • NO₂: 1.78 ppb
  • SO₂: 0.08 ppb
  • CO: 123.50 ppb

Health Recommendations:

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