Hourly Weather | Today | Tuesday, August 26, 2025
Greeley, Colorado
4 PM
Stormy WeatherStormy weather, thunderstorms.
81°
Feels Like 77°
64
Humidity: 46%
Wind: 10 mph
UV Index: 14
5 PM
Stormy WeatherStormy weather, thunderstorms.
79°
Feels Like 73°
57
Humidity: 51%
Wind: 10 mph
UV Index: 6
6 PM
Cloudy WeatherCloudy weather, overcast skies with no rain.
75°
Feels Like 73°
49
Humidity: 57%
Wind: 10 mph
UV Index: 5
7 PM
Stormy WeatherStormy weather, thunderstorms.
73°
Feels Like 66°
57
Humidity: 65%
Wind: 9 mph
UV Index: 1
8 PM
Cloudy WeatherCloudy weather, overcast skies with no rain.
70°
Feels Like 66°
43
Humidity: 71%
Wind: 8 mph
UV Index: 0
9 PM
Stormy WeatherStormy weather, thunderstorms.
66°
Feels Like 63°
51
Humidity: 77%
Wind: 8 mph
UV Index: 0
10 PM
Cloudy WeatherCloudy weather, overcast skies with no rain.
64°
Feels Like 63°
47
Humidity: 86%
Wind: 7 mph
UV Index: 0
11 PM
Cloudy WeatherCloudy weather, overcast skies with no rain.
63°
Feels Like 61°
34
Humidity: 95%
Wind: 6 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

4 PM
61 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 12.60 µg/m³
  • PM10: 13.67 µg/m³
  • O₃: 43.32 ppb
  • NO₂: 5.51 ppb
  • SO₂: 0.31 ppb
  • CO: 188.34 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
61 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 9.39 µg/m³
  • PM10: 10.18 µg/m³
  • O₃: 45.76 ppb
  • NO₂: 4.69 ppb
  • SO₂: 0.33 ppb
  • CO: 180.23 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
61 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 9.22 µg/m³
  • PM10: 10.08 µg/m³
  • O₃: 46.23 ppb
  • NO₂: 4.59 ppb
  • SO₂: 0.36 ppb
  • CO: 178.44 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
60 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 9.02 µg/m³
  • PM10: 9.72 µg/m³
  • O₃: 42.51 ppb
  • NO₂: 6.63 ppb
  • SO₂: 0.41 ppb
  • CO: 197.62 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
60 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 11.00 µg/m³
  • PM10: 11.62 µg/m³
  • O₃: 38.12 ppb
  • NO₂: 8.97 ppb
  • SO₂: 0.47 ppb
  • CO: 219.60 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
60 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 10.11 µg/m³
  • PM10: 10.45 µg/m³
  • O₃: 33.39 ppb
  • NO₂: 11.86 ppb
  • SO₂: 0.55 ppb
  • CO: 246.76 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
60 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 8.90 µg/m³
  • PM10: 9.16 µg/m³
  • O₃: 31.17 ppb
  • NO₂: 10.79 ppb
  • SO₂: 0.51 ppb
  • CO: 236.60 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
59 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 7.57 µg/m³
  • PM10: 7.74 µg/m³
  • O₃: 28.95 ppb
  • NO₂: 9.71 ppb
  • SO₂: 0.47 ppb
  • CO: 226.44 ppb

Health Recommendations:

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